/* roulang page: index */
:root{
  --primary:#123B33;
  --primary-dark:#0B2620;
  --primary-light:#2E7365;
  --primary-soft:#E7F0ED;
  --accent:#C6553C;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --muted-bg:#F1ECE3;
  --line:#E4DED2;
  --text:#17201E;
  --text-2:#5B6560;
  --text-3:#8C948E;
  --invert:#F7F5F1;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --disabled:#C9C6BF;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,32,30,.04);
  --shadow-2:0 12px 32px -12px rgba(18,32,30,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--text);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-light);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--text);letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid rgba(18,59,51,.4);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.section--muted{background:var(--muted-bg);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.section-title{font-size:clamp(28px,3.4vw,42px);line-height:1.2;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:16px;max-width:620px;}
.eyebrow{
  font-family:var(--serif);font-size:13px;letter-spacing:.06em;color:var(--accent);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::after{content:"";width:38px;height:1px;background:var(--accent);opacity:.6;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600;white-space:nowrap;}
.link-more span{transition:transform .22s var(--ease);}
.link-more:hover span{transform:translateX(4px);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--primary);color:var(--invert);}
.btn-primary:hover{background:var(--primary-dark);color:var(--invert);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{border:1px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost{color:var(--text);border:1px solid transparent;}
.btn-ghost:hover{color:var(--primary);background:var(--primary-soft);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(250,247,242,.94);
  transition:height .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent;transition:background .26s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(18,32,30,.35);backdrop-filter:blur(8px);}
.site-header.is-scrolled::after{background:var(--line);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .26s var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:var(--invert);flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{font-size:17px;font-weight:600;letter-spacing:.01em;color:var(--text);}
.brand__icon{color:var(--primary-light);display:flex;align-items:center;}
.brand__icon svg{width:16px;height:16px;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-link{position:relative;font-size:15px;color:var(--text);padding:6px 0;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--primary);
  transition:width .24s var(--ease);
}
.nav-link:hover::after{width:100%;}
.nav-link:hover{color:var(--primary-light);}
.nav-link.is-active{font-weight:600;color:var(--primary-dark);}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-9px;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateX(-50%);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-pill);background:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,59,51,.08);}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0;}
.search-box input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--text-3);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);}
.menu-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--text);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:var(--card);
  z-index:95;transform:translateX(100%);transition:transform .24s var(--ease);
  padding:72px 24px 32px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__close{position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--text-2);}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;}
.drawer nav a.is-active{color:var(--primary-dark);font-weight:600;}
.drawer .search-box{width:100%;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.drawer-actions .btn{width:100%;}

/* ---------- hero ---------- */
.hero{padding:72px 0 96px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-title{
  font-size:clamp(40px,6vw,72px);line-height:1.1;letter-spacing:-.02em;font-weight:600;
}
.hero-sub{margin-top:24px;font-size:18px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
  font-size:14px;letter-spacing:.04em;color:var(--text-2);
}
.trust-bar strong{color:var(--primary);font-family:var(--serif);font-weight:600;}
.hero-visual{
  position:relative;border-radius:22px;overflow:hidden;min-height:460px;
  background:var(--muted-bg) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow-2);
}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,59,51,.10),rgba(18,59,51,.06));}
.hero-seal{
  position:absolute;left:28px;top:28px;width:12px;height:12px;background:var(--accent);z-index:2;
}
.hero-vertical{
  position:absolute;right:26px;bottom:30px;z-index:2;writing-mode:vertical-rl;
  font-family:var(--serif);font-size:15px;letter-spacing:.22em;color:#fff;
  text-shadow:0 1px 6px rgba(11,38,32,.4);
}
.hero-badge{
  position:absolute;left:28px;bottom:28px;z-index:2;background:rgba(255,255,255,.92);
  border-radius:var(--radius-pill);padding:8px 16px;font-size:13px;color:var(--primary-dark);font-weight:600;
}

/* ---------- pain ---------- */
.pain-list{border-top:1px solid var(--line);}
.pain-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;padding:32px 0;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.pain-item:hover{background:rgba(231,240,237,.45);}
.pain-num{font-family:var(--serif);font-size:15px;letter-spacing:.06em;color:var(--accent);padding-top:6px;}
.pain-q{font-family:var(--serif);font-size:22px;line-height:1.4;}
.pain-a{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:720px;}

/* ---------- plan cards ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.plan-card__cover{aspect-ratio:16/10;background:var(--muted-bg);overflow:hidden;}
.plan-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.plan-card:hover .plan-card__cover img{transform:scale(1.04);}
.plan-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-card__no{font-family:var(--serif);font-size:13px;letter-spacing:.06em;color:var(--accent);}
.plan-card__title{font-size:21px;line-height:1.4;}
.plan-card__desc{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.plan-card__body .link-more{margin-top:auto;}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:left;}
.stat{position:relative;padding-top:24px;border-top:2px solid var(--primary);}
.stat__num{font-family:var(--serif);font-weight:700;font-size:clamp(40px,4.4vw,56px);line-height:1;color:var(--primary-dark);letter-spacing:.02em;}
.stat__unit{font-size:16px;color:var(--accent);margin-left:6px;font-family:var(--serif);}
.stat__label{margin-top:14px;font-size:14px;color:var(--text-2);letter-spacing:.04em;}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.news-card__cover{display:block;aspect-ratio:16/10;background:var(--muted-bg);overflow:hidden;}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.04);}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__title a:hover{color:var(--primary-light);}
.news-card__desc{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;background:var(--primary-soft);color:var(--primary);white-space:nowrap;
}
.badge--accent{background:rgba(198,85,60,.12);color:var(--accent);}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--card);
  padding:64px 24px;text-align:center;color:var(--text-2);
}
.empty-state svg{width:34px;height:34px;color:var(--text-3);margin:0 auto 14px;}
.empty-state p{margin-bottom:18px;}

/* ---------- channels ---------- */
.channel-list{display:flex;gap:20px;align-items:stretch;}
.channel-item{
  position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:230px;
  display:flex;flex-direction:column;justify-content:flex-end;padding:26px;
  border:1px solid var(--line);background:var(--card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.channel-item:nth-child(1){flex:1.4;}
.channel-item:nth-child(2){flex:1;}
.channel-item:nth-child(3){flex:1;}
.channel-item:nth-child(4){flex:0.8;}
.channel-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.channel-item__no{font-family:var(--serif);font-size:13px;letter-spacing:.06em;color:var(--accent);margin-bottom:10px;}
.channel-item__title{font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.4;}
.channel-item__desc{margin-top:10px;font-size:14px;color:var(--text-2);}
.channel-item__arrow{margin-top:16px;color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;gap:6px;}
.channel-item__arrow span{transition:transform .22s var(--ease);}
.channel-item:hover .channel-item__arrow span{transform:translateX(4px);}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:26px 0;text-align:left;font-family:var(--serif);font-size:19px;line-height:1.6;color:var(--text);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary-light);}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;margin-top:5px;color:var(--primary);
  transition:transform .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{top:10px;left:0;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;transition:opacity .18s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a__inner{padding:0 46px 28px 0;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ---------- form ---------- */
.apply-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.apply-note{color:var(--text-2);font-size:15.5px;margin-top:16px;}
.apply-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.apply-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2);}
.apply-points li::before{content:"";width:8px;height:8px;background:var(--primary);margin-top:9px;flex-shrink:0;}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:34px;box-shadow:var(--shadow-1);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1/-1;}
.field label{font-size:14px;color:var(--text-2);}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6560' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,59,51,.08);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent);}
.field__error{font-size:13px;color:var(--accent);display:none;}
.field.has-error .field__error{display:block;}
.privacy-row{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px;color:var(--text-2);line-height:1.7;}
.checkbox{position:relative;flex-shrink:0;margin-top:3px;}
.checkbox input{position:absolute;opacity:0;width:18px;height:18px;margin:0;cursor:pointer;}
.checkbox span{
  display:block;width:18px;height:18px;border:1px solid var(--line);border-radius:4px;background:#fff;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.checkbox input:checked + span{background:var(--primary);border-color:var(--primary);}
.checkbox input:checked + span::after{
  content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:2px solid #fff;
  border-top:0;border-left:0;transform:rotate(45deg);
}
.privacy-row a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-hint{font-size:13px;color:var(--text-3);}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--radius-input);
  background:rgba(63,125,91,.1);color:var(--ok);font-size:14px;
}
.form-success.is-visible{display:block;}

/* ---------- fab + modal ---------- */
.fab{
  position:fixed;right:26px;bottom:26px;z-index:70;width:56px;height:56px;border-radius:50%;
  background:var(--primary);color:var(--invert);display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -12px rgba(18,59,51,.5);transition:transform .24s var(--ease),background .24s var(--ease);
}
.fab:hover{transform:translateY(-3px);background:var(--primary-dark);}
.fab svg{width:24px;height:24px;}
.modal-mask{
  position:fixed;inset:0;z-index:96;background:rgba(14,31,28,.45);
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:520px;max-width:100%;background:var(--card);border-radius:20px;padding:34px;position:relative;
  box-shadow:0 28px 60px -24px rgba(11,38,32,.4);
  transform:translateY(16px);transition:transform .26s var(--ease);max-height:88vh;overflow:auto;
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal__close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:20px;line-height:1;}
.modal__title{font-size:24px;margin-bottom:8px;}
.modal__desc{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.modal .form-grid{grid-template-columns:1fr;}
body.is-locked{overflow:hidden;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:rgba(247,245,241,.78);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand__mark{background:var(--primary-light);}
.footer-brand span{color:var(--invert);font-size:17px;font-weight:600;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(247,245,241,.66);}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--invert);letter-spacing:.04em;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(247,245,241,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.14);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(247,245,241,.55);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (min-width:1440px){
  .container{padding:0 60px;}
  .section{padding:128px 0;}
}
@media (max-width:1199px){
  .main-nav{gap:20px;}
  .search-box{width:180px;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .main-nav,.header-actions .search-box,.header-actions .btn{display:none;}
  .menu-toggle{display:block;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{min-height:320px;}
  .apply-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .channel-list{flex-wrap:wrap;}
  .channel-item{flex:1 1 calc(50% - 10px) !important;min-height:190px;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .plan-grid,.news-grid,.stats-grid{grid-template-columns:1fr;}
  .pain-item{grid-template-columns:1fr;gap:8px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .channel-item{flex:1 1 100% !important;}
  .btn{min-height:48px;}
  .faq-q{font-size:17px;}
  .faq-a__inner{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .hero-title{font-size:clamp(34px,9vw,40px);}
  .modal{padding:26px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#123B33;
  --ink-deep:#0B2620;
  --ink-light:#2E7365;
  --ink-tint:#E7F0ED;
  --cinnabar:#C6553C;
  --paper:#FAF7F2;
  --card:#FFFFFF;
  --sand:#F1ECE3;
  --line:#E4DED2;
  --text:#17201E;
  --text-2:#5B6560;
  --text-3:#8C948E;
  --warm:#F7F5F1;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --disabled:#C9C6BF;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,32,30,.04);
  --shadow-2:0 12px 32px -12px rgba(18,32,30,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
img{height:auto}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}
button{cursor:pointer}
:focus-visible{outline:2px solid rgba(18,59,51,.4);outline-offset:2px;border-radius:8px}
::selection{background:var(--ink-tint);color:var(--ink-deep)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;letter-spacing:.01em;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--ink);color:var(--warm);box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn--ghost:hover{border-color:var(--ink-light);background:var(--ink-tint);color:var(--ink)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--link{height:auto;padding:0;border:none;color:var(--ink);font-weight:500;gap:4px}
.btn--link .arrow{transition:transform .22s var(--ease)}
.btn--link:hover .arrow{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;pointer-events:none;border-color:transparent}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.02em;line-height:1;
}
.badge--primary{background:var(--ink-tint);color:var(--ink)}
.badge--cinnabar{background:rgba(198,85,60,.12);color:var(--cinnabar)}
.badge--sand{background:var(--sand);color:var(--text-2)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--warm);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{font-weight:600;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.brand__icon{color:var(--ink-light);display:grid;place-items:center}
.brand__icon svg{width:16px;height:16px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(0)}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-9px;width:4px;height:4px;border-radius:50%;
  background:var(--cinnabar);transform:translateX(-50%);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;width:224px}
.nav-search input{
  width:100%;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-pill);padding:0 16px 0 38px;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--ink-light);box-shadow:0 0 0 4px var(--ink-tint)}
.nav-search .search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--text-3);pointer-events:none;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;position:relative;margin-left:auto;flex:0 0 auto;
}
.nav-toggle span{
  position:absolute;left:12px;width:20px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .24s var(--ease),opacity .2s var(--ease),top .24s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:90;width:320px;max-width:88vw;height:100%;
  background:#fff;box-shadow:-20px 0 48px -28px rgba(18,32,30,.35);
  transform:translateX(100%);transition:transform .24s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__title{font-size:15px;font-weight:600;color:var(--ink)}
.drawer__close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  display:grid;place-items:center;color:var(--text-2);
}
.drawer__search{position:relative}
.drawer__search input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;font-size:14px;background:var(--paper);
}
.drawer__nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer__nav a{
  padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);
}
.drawer__nav a.is-active{color:var(--ink);font-weight:600}
.drawer__actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-3);padding:26px 0 0;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{
  color:var(--ink);font-weight:500;max-width:min(100%,560px);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- Article head ---------- */
.article-head{max-width:880px;padding:26px 0 0}
.article-head h1{
  font-family:var(--font-serif);font-weight:600;
  font-size:clamp(28px,4vw,44px);line-height:1.24;letter-spacing:-.01em;
  color:var(--ink);margin:18px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:14px;color:var(--text-3);
}
.article-meta .divider{width:1px;height:12px;background:var(--line);display:inline-block}
.article-meta .mono{font-family:var(--mono);letter-spacing:.04em;color:var(--text-2)}

.article-cover{
  margin:34px 0 0;border-radius:var(--r-card);overflow:hidden;
  background:var(--sand);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;
  gap:56px;align-items:start;margin-top:44px;
}
.article-main{max-width:780px;min-width:0}
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}

/* ---------- Article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:#22312D;word-wrap:break-word}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-family:var(--font-serif);font-weight:600;
  font-size:clamp(22px,2.2vw,28px);line-height:1.42;color:var(--ink);
  margin:48px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;
  background:var(--ink);border-radius:2px;
}
.article-body h3{
  font-size:22px;line-height:1.45;font-weight:600;color:var(--ink);
  margin:36px 0 14px;
}
.article-body h4{font-size:18px;line-height:1.5;color:var(--ink);margin:28px 0 12px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--sand);
  border-left:3px solid var(--cinnabar);border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 1.4em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  background:var(--ink-light);border-radius:2px;
}
.article-body ol{list-style:decimal;padding-left:24px;margin:0 0 1.4em}
.article-body ol li{margin-bottom:.6em}
.article-body img{border-radius:12px;margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 15px;text-align:left}
.article-body th{background:var(--sand);font-weight:600;color:var(--ink)}
.article-body a{color:var(--ink-light);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--ink)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}
.article-body strong{color:var(--ink);font-weight:600}

/* ---------- Empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:72px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;color:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:16px}

/* ---------- Tags ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--ink-tint);color:var(--ink);
  font-size:13px;transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--ink);color:var(--warm)}

/* ---------- Prev / Next ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.post-nav__item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-nav__item:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-2);
  border-color:rgba(18,59,51,.3);
}
.post-nav__label{font-size:13px;color:var(--text-3);letter-spacing:.04em}
.post-nav__title{
  display:block;margin-top:8px;font-size:16px;font-weight:500;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-nav__item--next{text-align:right}

/* ---------- Aside cards ---------- */
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.aside-card__title{
  font-size:15px;font-weight:600;color:var(--ink);margin-bottom:12px;
  letter-spacing:.01em;
}
.aside-card__text{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:16px}
.aside-list{display:flex;flex-direction:column}
.aside-list li{border-bottom:1px solid var(--line)}
.aside-list li:last-child{border-bottom:none}
.aside-list a{
  display:block;padding:11px 0;font-size:14px;color:var(--text-2);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.aside-list a:hover{color:var(--ink);padding-left:4px}

/* ---------- Related ---------- */
.related{margin-top:80px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--font-serif);font-weight:600;
  font-size:clamp(22px,2.6vw,30px);line-height:1.3;color:var(--ink);
}
.section-head .sub{font-size:14px;color:var(--text-3);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}

.article-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.article-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-2);
  border-color:rgba(18,59,51,.3);
}
.article-card__media{aspect-ratio:16/10;background:var(--sand);overflow:hidden}
.article-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.article-card:hover .article-card__media img{transform:scale(1.03)}
.article-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-card__title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-card__desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-family:var(--mono);letter-spacing:.04em;
}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:88px;background:var(--ink);color:var(--warm);
  padding:64px 0;border-radius:0;
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{
  font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;color:var(--warm);
}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(247,245,241,.78);max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn--primary{background:var(--cinnabar);color:#fff}
.cta-band .btn--primary:hover{background:#AD4630}
.cta-band .btn--ghost{border-color:rgba(247,245,241,.34);color:var(--warm)}
.cta-band .btn--ghost:hover{background:rgba(247,245,241,.12);border-color:rgba(247,245,241,.6);color:#fff}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;background:var(--sand);border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;
  color:var(--ink);margin-bottom:16px;
}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--warm);display:grid;place-items:center}
.footer-brand .brand__mark svg{width:20px;height:20px}
.site-footer p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--ink)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:var(--text-3);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .aside-card{flex:1 1 300px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:block}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .brand__text{font-size:16px}
  .article-head h1{font-size:clamp(26px,6.4vw,32px)}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:40px}
  .article-body h3{font-size:19px}
  .post-nav{grid-template-columns:1fr}
  .post-nav__item--next{text-align:left}
  .related-grid{grid-template-columns:1fr}
  .btn{min-height:48px}
  .cta-band{padding:48px 0;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{margin-top:64px;padding-top:48px}
  .article-aside{flex-direction:column}
}
@media (max-width:420px){
  .container{padding:0 16px}
  .article-head h1{font-size:30px}
  .breadcrumb{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink:#17201E;
  --ink-2:#5B6560;
  --ink-3:#8C948E;
  --paper:#FAF7F2;
  --card:#FFFFFF;
  --mist:#F1ECE3;
  --line:#E4DED2;
  --brand:#123B33;
  --brand-deep:#0B2620;
  --brand-soft:#2E7365;
  --brand-tint:#E7F0ED;
  --cinnabar:#C6553C;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --disabled:#C9C6BF;
  --reverse:#F7F5F1;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --r-layer:20px;
  --sh-1:0 1px 2px rgba(18,32,30,.04);
  --sh-2:0 12px 32px -12px rgba(18,32,30,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-soft);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--ink);}
p{margin:0;}
:focus-visible{outline:2px solid rgba(18,59,51,.4);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 40px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(250,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(18,32,30,.04);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand__mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  color:var(--reverse);
  display:grid;place-items:center;
  flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px;}
.brand__text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  color:var(--ink);
}
.brand__icon{color:var(--brand-soft);display:inline-flex;width:16px;height:16px;}
.brand__icon svg{width:16px;height:16px;}

.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--brand);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:600;color:var(--brand);}
.nav-link.is-active::after{
  width:6px;height:6px;border-radius:50%;
  background:var(--cinnabar);
  left:50%;bottom:-6px;transform:translateX(-50%);
}

.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  position:relative;
  width:220px;
}
.nav-search input{
  width:100%;
  height:38px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--card);
  padding:0 16px 0 38px;
  font-size:14px;
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-tint);
}
.nav-search svg{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;color:var(--ink-3);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  font-size:15px;
  line-height:1;
  padding:0 20px;
  min-height:40px;
  transition:all .2s var(--ease);
}
.btn-primary{
  background:var(--brand);
  color:var(--reverse);
}
.btn-primary:hover{
  background:var(--brand-deep);
  color:var(--reverse);
  transform:translateY(-1px);
}
.btn-ghost{
  border-color:var(--brand);
  color:var(--brand);
  background:transparent;
}
.btn-ghost:hover{
  background:var(--brand-tint);
  color:var(--brand);
}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.btn:disabled,
.btn.is-disabled{
  background:var(--disabled);
  border-color:var(--disabled);
  color:#fff;
  cursor:not-allowed;
  transform:none;
}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--brand);
  font-weight:500;
}
.link-more .arrow{transition:transform .2s var(--ease);}
.link-more:hover .arrow{transform:translateX(4px);}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--card);
  cursor:pointer;
  padding:0;
  position:relative;
}
.menu-toggle span{
  position:absolute;left:12px;right:12px;height:1.6px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.menu-toggle span:nth-child(1){top:15px;}
.menu-toggle span:nth-child(2){top:21px;}
.menu-toggle span:nth-child(3){top:27px;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;
  top:0;right:0;
  width:320px;
  max-width:88vw;
  height:100vh;
  background:var(--card);
  border-left:1px solid var(--line);
  z-index:200;
  transform:translateX(102%);
  transition:transform .24s var(--ease);
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;display:grid;place-items:center;
}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
}
.drawer nav a.is-active{color:var(--brand);font-weight:600;}
.drawer .nav-search{width:100%;}
.drawer .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(14,31,28,.45);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--mist{background:var(--mist);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.eyebrow{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--cinnabar);
  text-transform:uppercase;
  margin-bottom:12px;
  display:block;
}
.h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;}
.lede{
  font-size:16px;
  color:var(--ink-2);
  max-width:40em;
  margin-top:14px;
}

/* ============ 分类页页头 ============ */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,59,51,.90) 0%,rgba(18,59,51,.78) 46%,rgba(18,59,51,.52) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:56px 0;width:100%;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(247,245,241,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(247,245,241,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(247,245,241,.5);}
.breadcrumb .current{color:#F0D8CF;}
.page-hero h1{
  color:var(--reverse);
  font-size:clamp(32px,4.2vw,52px);
  line-height:1.14;
  letter-spacing:-.02em;
  max-width:20em;
}
.page-hero__lede{
  margin-top:16px;
  color:rgba(247,245,241,.86);
  font-size:17px;
  max-width:38em;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-tags span{
  font-size:13px;
  letter-spacing:.04em;
  color:var(--reverse);
  border:1px solid rgba(247,245,241,.34);
  border-radius:var(--r-pill);
  padding:5px 14px;
}

/* ============ 步骤区 ============ */
.guide-layout{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:56px;
  align-items:start;
}
.anchor-index{
  position:sticky;
  top:96px;
  border-left:2px solid var(--line);
  padding-left:20px;
}
.anchor-index__title{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-bottom:16px;
}
.anchor-index a{
  display:block;
  font-size:14px;
  color:var(--ink-2);
  padding:9px 0;
  line-height:1.5;
  border-bottom:1px dashed transparent;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.anchor-index a:hover{color:var(--brand);padding-left:4px;}
.anchor-index a.is-current{
  color:var(--brand);
  font-weight:600;
}
.anchor-index a.is-current::before{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--cinnabar);
  margin-right:8px;
  vertical-align:middle;
}
.anchor-index__note{
  margin-top:22px;
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}

.step-list{border-top:1px solid var(--line);}
.step-item{
  display:grid;
  grid-template-columns:80px 1fr;
  gap:24px;
  padding:38px 0;
  border-bottom:1px solid var(--line);
}
.step-item__no{
  font-family:var(--mono);
  font-size:30px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--cinnabar);
  line-height:1;
  padding-top:4px;
}
.step-item h3{
  font-size:22px;
  line-height:1.4;
  margin-bottom:12px;
}
.step-item p{
  font-size:16px;
  color:var(--ink-2);
  max-width:38em;
  margin-bottom:8px;
}
.step-item .meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:16px 0 18px;
}
.chip{
  font-size:12.5px;
  border-radius:var(--r-pill);
  padding:4px 12px;
  background:var(--brand-tint);
  color:var(--brand);
  line-height:1.6;
}
.chip--sand{background:rgba(198,85,60,.12);color:var(--cinnabar);}
.chip--line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ============ 场景区 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;
  flex-direction:column;
}
.scene-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,59,51,.3);
}
.scene-card .scene-no{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-bottom:18px;
}
.scene-card h3{font-size:20px;margin-bottom:12px;}
.scene-card p{font-size:15px;color:var(--ink-2);}
.scene-card ul{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.scene-card li{
  font-size:14.5px;
  color:var(--ink-2);
  padding-left:16px;
  position:relative;
}
.scene-card li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:6px;height:6px;
  background:var(--brand-soft);
  border-radius:2px;
}

/* ============ 材料清单 ============ */
.material-layout{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.material-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--mist);
  aspect-ratio:16/10;
}
.material-figure img{width:100%;height:100%;object-fit:cover;}
.material-figure__caption{
  position:absolute;
  left:16px;bottom:16px;
  font-size:13px;
  color:var(--reverse);
  background:rgba(11,38,32,.72);
  border-radius:var(--r-pill);
  padding:5px 14px;
}
.check-list{display:flex;flex-direction:column;}
.check-list li{
  display:grid;
  grid-template-columns:26px 1fr;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
}
.check-list li strong{
  display:block;
  font-family:var(--serif);
  font-size:17px;
  color:var(--ink);
  font-weight:600;
  margin-bottom:4px;
}
.check-list .tick{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--brand-tint);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:13px;
  margin-top:4px;
}

/* ============ 问答列表（非手风琴） ============ */
.qa-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0 48px;
}
.qa-item{
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.qa-item h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:10px;
  display:flex;
  gap:12px;
}
.qa-item h3 span{
  font-family:var(--mono);
  font-size:13px;
  color:var(--cinnabar);
  letter-spacing:.08em;
  padding-top:5px;
}
.qa-item p{font-size:15px;color:var(--ink-2);}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);
  color:var(--reverse);
  border-radius:var(--r-card);
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:var(--reverse);
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.25;
}
.cta-band p{
  color:rgba(247,245,241,.78);
  font-size:15px;
  margin-top:10px;
  max-width:34em;
}
.cta-band .btn-primary{
  background:var(--reverse);
  color:var(--brand);
}
.cta-band .btn-primary:hover{background:#fff;color:var(--brand-deep);}
.cta-band .btn-ghost{
  border-color:rgba(247,245,241,.5);
  color:var(--reverse);
}
.cta-band .btn-ghost:hover{background:rgba(247,245,241,.12);color:#fff;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 表单区 ============ */
.apply-layout{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:56px;
  align-items:start;
}
.apply-info h2{font-size:clamp(26px,3vw,36px);line-height:1.24;}
.apply-info p{color:var(--ink-2);font-size:16px;margin-top:16px;max-width:30em;}
.apply-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.apply-points li{
  display:flex;gap:12px;
  font-size:15px;color:var(--ink-2);
}
.apply-points li b{
  color:var(--brand);
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.08em;
  padding-top:3px;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--ink-2);}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:var(--paper);
  padding:0 14px;
  font-size:15px;
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{
  min-height:110px;
  padding:12px 14px;
  resize:vertical;
  line-height:1.7;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--brand);
  background:var(--card);
  box-shadow:0 0 0 4px var(--brand-tint);
}
.field select{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-top:20px;
  font-size:13px;
  color:var(--ink-2);
  line-height:1.7;
}
.consent input{
  appearance:none;
  width:18px;height:18px;
  border:1px solid var(--line);
  border-radius:5px;
  background:var(--paper);
  margin:2px 0 0;
  flex-shrink:0;
  cursor:pointer;
  position:relative;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.consent input:checked{
  background:var(--brand);
  border-color:var(--brand);
}
.consent input:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1.5px;
  width:5px;height:9px;
  border-right:2px solid #fff;
  border-bottom:2px solid #fff;
  transform:rotate(40deg);
}
.consent a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-hint{font-size:13px;color:var(--ink-3);}

/* ============ 浮动按钮 & 弹层 ============ */
.float-trigger{
  position:fixed;
  right:28px;bottom:28px;
  width:58px;height:58px;
  border-radius:50%;
  border:none;
  background:var(--brand);
  color:var(--reverse);
  cursor:pointer;
  display:grid;place-items:center;
  box-shadow:0 12px 28px -10px rgba(18,59,51,.5);
  z-index:150;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.float-trigger:hover{transform:translateY(-2px);background:var(--brand-deep);}
.float-trigger svg{width:24px;height:24px;}

.modal-mask{
  position:fixed;inset:0;
  background:rgba(14,31,28,.45);
  z-index:300;
  display:grid;
  place-items:center;
  padding:24px;
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:520px;
  max-width:100%;
  max-height:88vh;
  overflow-y:auto;
  background:var(--card);
  border-radius:var(--r-layer);
  padding:34px;
  position:relative;
  box-shadow:0 30px 60px -24px rgba(14,31,28,.4);
  transform:translateY(16px);
  transition:transform .26s var(--ease);
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal h2{font-size:24px;line-height:1.3;}
.modal > p{font-size:14px;color:var(--ink-2);margin-top:10px;}
.modal__close{
  position:absolute;
  top:16px;right:16px;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--card);
  cursor:pointer;
  display:grid;place-items:center;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.modal__close:hover{background:var(--mist);border-color:var(--brand);}
.modal__close svg{width:16px;height:16px;}
.modal .form-grid{margin-top:22px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:rgba(247,245,241,.78);
  padding:72px 0 0;
  margin-top:0;
  border-top:1px solid rgba(247,245,241,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--reverse);
  font-size:17px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-brand .brand__mark{background:rgba(247,245,241,.12);}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(247,245,241,.66);max-width:26em;}
.footer-col h4{
  color:var(--reverse);
  font-size:15px;
  margin-bottom:18px;
  font-family:var(--sans);
  font-weight:600;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:rgba(247,245,241,.7);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(247,245,241,.12);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,245,241,.52);
}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .38s var(--ease),transform .38s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{padding:0 60px;}
  .section{padding:120px 0;}
}
@media (max-width:1199px){
  .guide-layout{grid-template-columns:1fr;gap:36px;}
  .anchor-index{
    position:static;
    border-left:none;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:18px 0;
    display:flex;
    flex-wrap:wrap;
    gap:6px 18px;
  }
  .anchor-index__title{width:100%;margin-bottom:8px;}
  .anchor-index a{padding:6px 0;border-bottom:none;}
  .anchor-index__note{display:none;}
  .material-layout{gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .header-tools .btn-ghost{display:none;}
  .header-tools .btn-primary{display:none;}
  .menu-toggle{display:block;}
  .header-inner{height:64px;gap:16px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .material-layout{grid-template-columns:1fr;gap:30px;}
  .material-figure{order:-1;}
  .qa-grid{grid-template-columns:1fr;gap:0;}
  .apply-layout{grid-template-columns:1fr;gap:34px;}
  .cta-band{padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .float-trigger{right:18px;bottom:18px;width:52px;height:52px;}
  .page-hero{min-height:230px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .page-hero h1{font-size:clamp(28px,7vw,38px);}
  .page-hero__lede{font-size:15.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .step-item{grid-template-columns:1fr;gap:12px;padding:30px 0;}
  .step-item__no{font-size:24px;}
  .scene-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .btn{min-height:48px;}
  .form-card{padding:24px 20px;}
  .cta-band{border-radius:16px;padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .modal{padding:26px 20px;}
  .section--mist .section-head{margin-bottom:26px;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:34px;}
  .brand__text{font-size:15.5px;}
  .modal-mask{padding:14px;}
}

/* roulang page: category3 */
:root{
  --brand:#123B33;
  --brand-dark:#0B2620;
  --brand-light:#2E7365;
  --brand-tint:#E7F0ED;
  --accent:#C6553C;
  --paper:#FAF7F2;
  --card:#FFFFFF;
  --sand:#F1ECE3;
  --line:#E4DED2;
  --ink:#17201E;
  --ink-2:#5B6560;
  --ink-3:#8C948E;
  --white:#F7F5F1;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --disabled:#C9C6BF;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(18,32,30,.04);
  --shadow-2:0 12px 32px -12px rgba(18,32,30,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sp-section:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(18,59,51,.4);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:72px 0;}
.section--sand{background:var(--sand);}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  font-family:var(--serif);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block;}
.section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;letter-spacing:-.01em;}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:16px;max-width:40em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:500;cursor:pointer;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--brand);color:var(--white);}
.btn--primary:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn--ghost{border-color:rgba(18,59,51,.28);color:var(--brand);background:transparent;}
.btn--ghost:hover{background:var(--brand-tint);border-color:var(--brand);}
.btn--text{padding:0;height:auto;color:var(--brand);font-weight:500;border:none;background:none;}
.btn--text .arrow{transition:transform .22s var(--ease);}
.btn--text:hover .arrow{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;cursor:not-allowed;transform:none;}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;letter-spacing:.02em;
  background:var(--brand-tint);color:var(--brand);
}
.badge--accent{background:rgba(198,85,60,.12);color:var(--accent);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.88);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.header__inner{height:72px;display:flex;align-items:center;gap:28px;transition:height .24s var(--ease);}
.site-header.is-scrolled .header__inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:var(--white);flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px;}
.brand__name{font-size:17px;font-weight:600;letter-spacing:.01em;color:var(--ink);white-space:nowrap;}
.brand__icon{color:var(--brand-light);display:flex;align-items:center;}
.brand__icon svg{width:16px;height:16px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1;}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--ink);
  border-radius:8px;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;color:var(--brand);}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-4px;width:4px;height:4px;border-radius:50%;
  background:var(--accent);transform:translateX(-50%);
}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;
  padding:0 8px 0 16px;border:1px solid var(--line);border-radius:999px;
  background:var(--card);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-tint);}
.search input{
  flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;
}
.search input::placeholder{color:var(--ink-3);}
.search button{
  width:30px;height:30px;border:none;border-radius:50%;background:var(--brand-tint);
  color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s var(--ease);
}
.search button:hover{background:#D8E6E1;}
.search button svg{width:15px;height:15px;}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;
  background:var(--paper);z-index:100;padding:28px 24px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .24s var(--ease);
  box-shadow:-18px 0 48px -24px rgba(18,32,30,.3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--card);
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-2);
}
.drawer__nav{display:flex;flex-direction:column;}
.drawer__nav a{
  padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer__nav a.is-active{color:var(--brand);font-weight:600;}
.drawer .search{width:100%;}
.drawer__btns{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.drawer__btns .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 分类页头 ---------- */
.page-head{
  position:relative;overflow:hidden;border-radius:0 0 24px 24px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  min-height:280px;display:flex;align-items:flex-end;
}
.page-head::before{
  content:"";position:absolute;inset:0;background:var(--brand);opacity:.82;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,38,32,.86),rgba(18,59,51,.6) 60%,rgba(18,59,51,.34));
}
.page-head__inner{position:relative;z-index:2;padding:54px 0 48px;color:var(--white);width:100%;}
.crumb{font-size:14px;color:rgba(247,245,241,.76);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px;}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.55;}
.crumb .current{color:#fff;}
.page-head h1{
  color:var(--white);font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.02em;
  max-width:22em;
}
.page-head h1 .thin{font-weight:500;color:rgba(247,245,241,.82);}
.page-head__lead{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(247,245,241,.86);max-width:44em;}
.page-head__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.page-head__tags .pill{
  height:32px;padding:0 16px;border-radius:999px;font-size:13.5px;
  border:1px solid rgba(247,245,241,.32);color:rgba(247,245,241,.9);
  display:inline-flex;align-items:center;
}

/* ---------- 筛选标签行 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.filter-bar .chip{
  height:38px;padding:0 20px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--ink-2);display:inline-flex;align-items:center;
  font-size:14.5px;cursor:pointer;transition:all .22s var(--ease);
}
.filter-bar .chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-bar .chip.is-active{background:var(--brand);border-color:var(--brand);color:var(--white);}

/* ---------- 概览条 ---------- */
.overview{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);
  overflow:hidden;margin-top:40px;
}
.overview__item{padding:28px 30px;border-right:1px solid var(--line);}
.overview__item:last-child{border-right:none;}
.overview__num{
  font-family:var(--serif);font-size:30px;font-weight:700;letter-spacing:.04em;color:var(--brand);
}
.overview__num span{font-size:15px;margin-left:4px;color:var(--ink-2);font-family:var(--sans);font-weight:400;}
.overview__item p{margin-top:8px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 斑马服务行 ---------- */
.zigzag{margin-top:8px;}
.zigzag__row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.zigzag__row:nth-child(even) .zigzag__media{order:2;}
.zigzag__media{
  border-radius:var(--radius-img);overflow:hidden;background:var(--sand);
  aspect-ratio:16/10;box-shadow:var(--shadow-1);
}
.zigzag__media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.zigzag__row:hover .zigzag__media img{transform:scale(1.03);}
.zigzag__index{
  font-family:var(--serif);font-size:15px;letter-spacing:.1em;color:var(--accent);
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.zigzag__index::after{content:"";flex:1;max-width:52px;height:1px;background:rgba(198,85,60,.5);}
.zigzag__body h3{font-size:clamp(21px,2.3vw,26px);line-height:1.4;}
.zigzag__body > p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:34em;}
.points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.points li{position:relative;padding-left:20px;font-size:15.5px;color:var(--ink);line-height:1.7;}
.points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.zigzag__body .btn{margin-top:26px;}

/* ---------- 服务标准（米灰 + 数字） ---------- */
.standards{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:8px;}
.standard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 26px;transition:all .24s var(--ease);}
.standard:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.standard__num{font-family:var(--serif);font-size:44px;font-weight:700;line-height:1;color:var(--brand);letter-spacing:.02em;}
.standard__num small{font-size:16px;font-family:var(--sans);font-weight:400;color:var(--ink-2);margin-left:6px;}
.standard h3{margin-top:16px;font-size:19px;}
.standard p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- 流程条（深色） ---------- */
.flow-band{background:var(--brand-dark);color:var(--white);border-radius:24px;padding:56px 48px;}
.flow-band h2{color:var(--white);font-size:clamp(24px,2.6vw,32px);}
.flow-band > p{color:rgba(247,245,241,.72);margin-top:12px;font-size:15.5px;max-width:44em;}
.flow-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:44px;}
.flow-step{position:relative;padding-top:22px;border-top:2px solid rgba(247,245,241,.18);}
.flow-step::before{
  content:"";position:absolute;top:-5px;left:0;width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.flow-step__num{font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:rgba(247,245,241,.6);}
.flow-step h3{color:var(--white);font-size:17px;margin-top:10px;}
.flow-step p{margin-top:8px;font-size:14px;color:rgba(247,245,241,.72);line-height:1.7;}

/* ---------- FAQ ---------- */
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-trigger{
  width:100%;background:none;border:none;padding:26px 0;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .2s var(--ease);
}
.acc-trigger:hover{color:var(--brand);}
.acc-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  position:relative;transition:transform .18s var(--ease),border-color .2s var(--ease);
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.acc-icon::before{width:12px;height:1.6px;}
.acc-icon::after{width:1.6px;height:12px;transition:transform .18s var(--ease);}
.acc-item.is-open .acc-icon{transform:rotate(180deg);border-color:var(--brand);}
.acc-item.is-open .acc-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.acc-panel p{padding:0 0 26px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:52em;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);color:var(--white);border-radius:24px;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--white);font-size:clamp(24px,2.8vw,34px);line-height:1.3;}
.cta-band p{margin-top:12px;color:rgba(247,245,241,.8);font-size:15.5px;max-width:36em;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{border-color:rgba(247,245,241,.45);color:var(--white);}
.cta-band .btn--ghost:hover{background:rgba(247,245,241,.12);border-color:var(--white);}
.cta-band .btn--light{background:var(--white);color:var(--brand);}
.cta-band .btn--light:hover{background:#fff;transform:translateY(-1px);}

/* ---------- 浮动按钮 & 弹层 ---------- */
.float-btn{
  position:fixed;right:28px;bottom:28px;z-index:70;
  width:58px;height:58px;border-radius:50%;border:none;cursor:pointer;
  background:var(--brand);color:var(--white);box-shadow:0 14px 32px -12px rgba(18,59,51,.55);
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.float-btn:hover{background:var(--brand-dark);transform:translateY(-2px);}
.float-btn svg{width:24px;height:24px;}
.modal-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);z-index:120;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:520px;max-width:100%;background:var(--card);border-radius:20px;
  padding:36px 34px;position:relative;box-shadow:0 32px 64px -28px rgba(11,38,32,.4);
  transform:translateY(16px);opacity:0;transition:transform .28s var(--ease),opacity .28s var(--ease);
  max-height:90vh;overflow-y:auto;
}
.modal-mask.is-open .modal{transform:translateY(0);opacity:1;}
.modal h2{font-size:24px;}
.modal__sub{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.modal__close{
  position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:var(--card);cursor:pointer;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
}
.modal__close:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 表单 ---------- */
.form-grid{display:flex;flex-direction:column;gap:18px;margin-top:24px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;border:1px solid var(--line);
  border-radius:var(--radius-input);background:var(--paper);outline:none;
  font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:var(--card);box-shadow:0 0 0 4px var(--brand-tint);
}
.field.has-error input,.field.has-error select{border-color:var(--accent);}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--accent);}
.field.has-error .err{display:block;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.consent input{flex-shrink:0;width:17px;height:17px;margin-top:3px;accent-color:var(--brand);}
.consent a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.form-actions{margin-top:6px;}
.form-actions .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:100px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--ink);}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;}
.footer-brand .brand__mark svg{width:18px;height:18px;}
.site-footer > .container > .footer-grid > div > p{margin-top:16px;font-size:14.5px;color:var(--ink-2);max-width:26em;}
.footer-col h4{font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--ink);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--sp-section:128px;}
  .container{padding:0 48px;}
}
@media (max-width:1199px){
  .zigzag__row{gap:44px;padding:48px 0;}
  .standards{grid-template-columns:repeat(2,1fr);}
  .flow-steps{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .header__actions .search{display:none;}
  .header__actions .btn--ghost{display:none;}
  .hamburger{display:flex;}
  .container{padding:0 24px;}
  :root{--sp-section:80px;}
  .overview{grid-template-columns:1fr;}
  .overview__item{border-right:none;border-bottom:1px solid var(--line);}
  .overview__item:last-child{border-bottom:none;}
  .zigzag__row{grid-template-columns:1fr;gap:28px;}
  .zigzag__row:nth-child(even) .zigzag__media{order:0;}
  .flow-band{padding:40px 28px;}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:22px;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sp-section:64px;}
  .header__inner{height:64px;}
  .brand__name{font-size:15.5px;}
  .brand__icon{display:none;}
  .header__actions .btn--primary{height:42px;padding:0 18px;font-size:14px;}
  .page-head{min-height:220px;border-radius:0 0 18px 18px;}
  .page-head__inner{padding:40px 0 36px;}
  .standards{grid-template-columns:1fr;}
  .flow-steps{grid-template-columns:1fr;}
  .acc-trigger{font-size:17px;padding:22px 0;}
  .btn{min-height:48px;}
  .btn--sm{min-height:42px;}
  .float-btn{right:18px;bottom:18px;width:54px;height:54px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 24px;margin-top:72px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .modal{padding:28px 22px;}
  .page-head h1{font-size:clamp(26px,7vw,34px);}
  .zigzag__row{padding:36px 0;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .page-head h1{font-size:34px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#123B33;
  --ink-dark:#0B2620;
  --ink-light:#2E7365;
  --ink-tint:#E7F0ED;
  --cinnabar:#C6553C;
  --cinnabar-tint:rgba(198,85,60,.12);
  --paper:#FAF7F2;
  --card:#FFFFFF;
  --muted:#F1ECE3;
  --line:#E4DED2;
  --text:#17201E;
  --text-2:#5B6560;
  --text-3:#8C948E;
  --invert:#F7F5F1;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --err:#C6553C;
  --disabled:#C9C6BF;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --r-modal:20px;
  --sh-1:0 1px 2px rgba(18,32,30,.04);
  --sh-2:0 12px 32px -12px rgba(18,32,30,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(18,59,51,.45);outline-offset:3px;border-radius:4px;}

.container{max-width:1240px;margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--muted{background:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--cinnabar);
  font-family:var(--sans);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cinnabar);display:block;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-size:15px;font-weight:600;position:relative;}
.text-link span.arrow{transition:transform .24s var(--ease);}
.text-link:hover span.arrow{transform:translateX(4px);}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:1px;width:0;background:var(--ink);
  transition:width .28s var(--ease);
}
.text-link:hover::after{width:100%;}

/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
  height:72px;
}
.site-header.is-scrolled{height:60px;border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background .24s var(--ease);
}
.brand__mark svg{width:20px;height:20px;}
.brand:hover .brand__mark{background:var(--ink-light);}
.brand__text{font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.brand__icon{color:var(--ink-light);display:flex;align-items:center;}
.brand__icon svg{width:16px;height:16px;}

.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .26s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:600;color:var(--ink);}
.nav-link.is-active::before{
  content:"";position:absolute;left:50%;bottom:-13px;width:4px;height:4px;margin-left:-2px;
  border-radius:50%;background:var(--cinnabar);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px var(--ink-tint);}
.nav-search svg{width:16px;height:16px;color:var(--text-3);margin:0 10px 0 14px;flex-shrink:0;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;height:100%;
  font-size:14px;padding-right:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--ink-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink-tint);border-color:rgba(18,59,51,.3);}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;border-color:var(--disabled);cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;gap:5px;padding:0 10px;margin-left:auto;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;background:var(--card);
  transform:translateX(100%);transition:transform .24s var(--ease);z-index:95;
  padding:28px 22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(18,32,30,.28);
}
.drawer.is-open{transform:translateX(0);}
.drawer__title{font-size:13px;letter-spacing:.14em;color:var(--text-3);}
.drawer__nav{display:flex;flex-direction:column;gap:2px;}
.drawer__nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--ink);font-weight:600;background:var(--ink-tint);border-bottom-color:transparent;}
.drawer__actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;}

/* banner */
.page-banner{
  position:relative;overflow:hidden;
  min-height:264px;display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(11,38,32,.9) 0%,rgba(18,59,51,.72) 48%,rgba(18,59,51,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:var(--invert);
  padding:88px 0 44px;
}
.page-banner .breadcrumb{font-size:14px;color:rgba(247,245,241,.78);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.page-banner .breadcrumb a:hover{color:#fff;text-decoration:underline;}
.page-banner .breadcrumb .sep{opacity:.6;}
.page-banner .breadcrumb .current{color:#F0C6B8;}
.page-banner h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.16;letter-spacing:-0.02em;max-width:820px;
  color:#fff;
}
.page-banner .lead{margin-top:18px;font-size:17px;line-height:1.75;color:rgba(247,245,241,.86);max-width:640px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.04em;
  background:rgba(247,245,241,.14);border:1px solid rgba(247,245,241,.24);color:#F7F5F1;
}

/* filters */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:44px;
}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--text-2);
  transition:all .22s var(--ease);cursor:pointer;
}
.chip:hover{border-color:rgba(18,59,51,.35);color:var(--ink);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.filter-note{margin-left:auto;font-size:13px;color:var(--text-3);}

/* featured */
.featured{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:44px;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.featured:hover{box-shadow:var(--sh-2);border-color:rgba(18,59,51,.3);transform:translateY(-2px);}
.featured__media{position:relative;background:var(--muted);min-height:280px;}
.featured__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.featured__body{padding:38px 36px;display:flex;flex-direction:column;gap:16px;justify-content:center;}
.featured__body h3{font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.featured__body p{color:var(--text-2);font-size:15.5px;}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:var(--ink-tint);color:var(--ink);
}
.badge--cinnabar{background:var(--cinnabar-tint);color:var(--cinnabar);}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500;}

/* news grid */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.news-card:hover{box-shadow:var(--sh-2);border-color:rgba(18,59,51,.3);transform:translateY(-2px);}
.news-card__media{position:relative;aspect-ratio:16/9;background:var(--muted);overflow:hidden;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-card__tag{position:absolute;left:16px;top:16px;background:rgba(11,38,32,.82);color:#fff;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;display:inline-flex;align-items:center;}
.news-card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__body h3{font-size:20px;line-height:1.45;}
.news-card__body h3 a:hover{color:var(--ink-light);}
.news-card__body p{color:var(--text-2);font-size:15px;line-height:1.8;}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);}
.line-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* topics strip */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.topic-item{
  padding:34px 28px 34px 0;border-right:1px solid var(--line);
}
.topic-item:last-child{border-right:0;padding-right:0;}
.topic-item .num{
  font-family:var(--serif);font-size:15px;letter-spacing:.12em;color:var(--cinnabar);
  display:block;margin-bottom:16px;
}
.topic-item h3{font-size:20px;margin-bottom:12px;}
.topic-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* dark update block */
.update-block{background:var(--ink-dark);color:var(--invert);border-radius:24px;padding:56px 48px;}
.update-block h2{color:#fff;font-size:clamp(24px,2.8vw,34px);line-height:1.3;}
.update-block .section-head p{color:rgba(247,245,241,.68);}
.update-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:48px;margin-top:8px;}
.update-list li{
  display:grid;grid-template-columns:96px 1fr;gap:20px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid rgba(247,245,241,.14);
}
.update-list li:first-child{padding-top:0;}
.update-list .date{font-family:var(--serif);font-size:14px;letter-spacing:.06em;color:rgba(247,245,241,.55);}
.update-list a{font-size:16.5px;line-height:1.6;color:var(--invert);transition:color .2s var(--ease);}
.update-list a:hover{color:#D8E7E2;}
.update-list .note{display:block;margin-top:6px;font-size:13.5px;color:rgba(247,245,241,.55);}
.rank-panel{
  background:rgba(247,245,241,.06);border:1px solid rgba(247,245,241,.14);
  border-radius:var(--r-card);padding:28px 26px;
}
.rank-panel h3{font-size:18px;color:#fff;margin-bottom:8px;}
.rank-list li{display:flex;gap:14px;align-items:baseline;padding:13px 0;border-bottom:1px solid rgba(247,245,241,.1);}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list .idx{font-family:var(--serif);font-size:14px;color:var(--cinnabar);letter-spacing:.06em;min-width:24px;}
.rank-list a{font-size:15px;color:rgba(247,245,241,.9);line-height:1.6;}
.rank-list a:hover{color:#fff;}

/* faq */
.faq-list{max-width:840px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 4px;font-family:var(--serif);font-size:19px;line-height:1.5;color:var(--text);
}
.faq-q:hover{color:var(--ink-light);}
.faq-icon{
  position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-icon::before{left:50%;top:0;width:1.6px;height:100%;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:0;height:1.6px;width:100%;transform:translateY(-50%);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::before{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 4px 28px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:720px;}

/* cta */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:24px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* floating button */
.float-btn{
  position:fixed;right:28px;bottom:28px;z-index:70;
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -12px rgba(18,32,30,.5);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.float-btn:hover{transform:translateY(-3px);background:var(--ink-dark);}
.float-btn svg{width:22px;height:22px;}

/* modal */
.modal-mask{
  position:fixed;inset:0;background:rgba(14,31,28,.45);z-index:120;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:520px;max-width:100%;background:var(--card);border-radius:var(--r-modal);
  padding:36px;position:relative;box-shadow:0 30px 70px -30px rgba(18,32,30,.45);
  transform:translateY(16px);transition:transform .28s var(--ease);
  max-height:90vh;overflow-y:auto;
}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal h2{font-size:24px;margin-bottom:8px;}
.modal .modal-sub{font-size:14.5px;color:var(--text-2);margin-bottom:24px;}
.modal-close{
  position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text-2);
  display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.modal-close:hover{border-color:var(--ink);color:var(--ink);}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:14px;margin-bottom:8px;color:var(--text-2);}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;outline:none;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--ink);box-shadow:0 0 0 4px var(--ink-tint);
}
.form-field.has-error input,.form-field.has-error select{border-color:var(--err);}
.form-error{display:none;margin-top:6px;font-size:13px;color:var(--err);}
.form-field.has-error .form-error{display:block;}
.form-select{position:relative;}
.form-select select{appearance:none;-webkit-appearance:none;padding-right:40px;cursor:pointer;}
.form-select::after{
  content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;
  border-right:1.6px solid var(--text-2);border-bottom:1.6px solid var(--text-2);
  transform:translateY(-70%) rotate(45deg);pointer-events:none;
}
.privacy-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7;margin:4px 0 22px;}
.checkbox{position:relative;flex-shrink:0;margin-top:3px;}
.checkbox input{position:absolute;opacity:0;width:18px;height:18px;margin:0;cursor:pointer;}
.checkbox span{
  width:18px;height:18px;border-radius:5px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.checkbox input:checked + span{background:var(--ink);border-color:var(--ink);}
.checkbox input:checked + span::after{
  content:"";width:8px;height:4px;border-left:1.8px solid #fff;border-bottom:1.8px solid #fff;
  transform:rotate(-45deg) translate(1px,-2px);
}
.checkbox input:focus-visible + span{box-shadow:0 0 0 4px var(--ink-tint);}
.privacy-row a{color:var(--ink);text-decoration:underline;}
.modal-submit{width:100%;height:48px;}
.form-success{
  display:none;background:var(--ink-tint);border-radius:var(--r-input);
  padding:14px 16px;font-size:14px;color:var(--ink);margin-bottom:18px;
}
.form-success.is-visible{display:block;}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--paper);padding:72px 0 32px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:600;margin-bottom:18px;}
.footer-brand .brand__mark{width:32px;height:32px;border-radius:9px;}
.site-footer p{font-size:14.5px;color:var(--text-2);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;font-family:var(--sans);font-weight:600;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:var(--text-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* responsive */
@media (min-width:1440px){
  .section{padding:128px 0;}
  .section--tight{padding:96px 0;}
}
@media (max-width:1199px){
  .container{padding:0 24px;}
  .main-nav{gap:20px;}
  .nav-search{width:180px;}
  .update-layout{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .main-nav,.nav-search,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .featured{grid-template-columns:1fr;}
  .featured__media{min-height:220px;aspect-ratio:16/9;}
  .topic-grid{grid-template-columns:repeat(2,1fr);gap:0;}
  .topic-item{border-bottom:1px solid var(--line);padding:28px 24px 28px 0;}
  .topic-item:nth-child(2n){border-right:0;padding-right:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .page-banner{padding:72px 0 38px;min-height:230px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .news-grid{grid-template-columns:1fr;gap:20px;}
  .topic-grid{grid-template-columns:1fr;}
  .topic-item{border-right:0;padding-right:0;}
  .update-block{padding:36px 22px;border-radius:18px;}
  .update-list li{grid-template-columns:1fr;gap:6px;}
  .faq-q{font-size:17px;padding:22px 2px;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;height:48px;}
  .btn{min-height:44px;}
  .float-btn{right:18px;bottom:18px;width:52px;height:52px;}
  .modal{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .page-banner h1{font-size:30px;}
  .page-banner .lead{font-size:15.5px;}
  .featured__body{padding:26px 22px;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .brand__text{font-size:15.5px;}
  .page-banner h1{font-size:34px;}
  .brand__icon{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --brand:#123B33;
  --brand-dark:#0B2620;
  --brand-light:#2E7365;
  --brand-tint:#E7F0ED;
  --accent:#C6553C;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --muted-bg:#F1ECE3;
  --line:#E4DED2;
  --text:#17201E;
  --text-2:#5B6560;
  --text-3:#8C948E;
  --inverse:#F7F5F1;
  --ok:#3F7D5B;
  --warn:#B5873A;
  --err:#C6553C;
  --disabled:#C9C6BF;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --radius-modal:20px;
  --shadow-1:0 1px 2px rgba(18,32,30,.04);
  --shadow-2:0 12px 32px -12px rgba(18,32,30,.14);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-light);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(18,59,51,.4);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--inverse);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand-dark);}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:transparent;}
.btn-ghost:hover{border-color:rgba(18,59,51,.3);color:var(--brand);background:#fff;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;border-color:var(--disabled);cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--brand);
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;left:0;bottom:-3px;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}
.text-link .arrow{transition:transform .22s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(250,247,242,.88);}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:var(--inverse);
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px;}
.brand__name{
  font-size:17px;font-weight:600;letter-spacing:.01em;color:var(--text);
  white-space:nowrap;
}
.brand__ico{display:inline-flex;color:var(--brand-light);opacity:.75;}
.brand__ico svg{width:16px;height:16px;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;
  padding:10px 12px;
  font-size:15px;
  color:var(--text);
  white-space:nowrap;
}
.nav-link::before{
  content:"";
  position:absolute;left:12px;right:12px;bottom:4px;
  height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-link:hover::before{transform:scaleX(1);}
.nav-link.is-active{font-weight:600;color:var(--brand);}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:50%;bottom:-2px;
  width:4px;height:4px;margin-left:-2px;
  border-radius:50%;background:var(--accent);
}

.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand-light);box-shadow:0 0 0 4px var(--brand-tint);}
.nav-search svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0;}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  align-items:center;justify-content:center;
  flex-direction:column;
  gap:5px;
}
.hamburger span{
  display:block;width:20px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;z-index:95;
  width:320px;max-width:88vw;height:100%;
  background:#fff;
  border-left:1px solid var(--line);
  padding:26px 22px;
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__title{font-family:var(--font-serif);font-size:18px;}
.drawer__close{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);}
.drawer__close:hover{background:var(--muted-bg);color:var(--brand);}
.drawer__search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 16px;margin-bottom:20px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-pill);
}
.drawer__search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;}
.drawer__nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer__nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer__nav a:hover{background:var(--brand-tint);color:var(--brand-dark);}
.drawer__nav a.is-active{color:var(--brand);font-weight:600;}
.drawer__actions{display:flex;flex-direction:column;gap:10px;}
.drawer__actions .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(14,31,28,.45);
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  min-height:270px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,38,32,.9) 0%,rgba(18,59,51,.78) 52%,rgba(18,59,51,.5) 100%);
}
.page-hero__inner{position:relative;z-index:2;padding:52px 0 46px;width:100%;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(247,245,241,.7);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(247,245,241,.7);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.16;
  letter-spacing:-.01em;
  color:#fff;
  max-width:900px;
}
.page-hero h1 .hl{color:#E9C3B7;}
.page-hero__lead{
  margin-top:16px;
  max-width:660px;
  font-size:16px;line-height:1.8;
  color:rgba(247,245,241,.82);
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0 80px;}
.section--muted{background:var(--muted-bg);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.22;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:12px;max-width:560px;
  font-size:15px;color:var(--text-2);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-light);font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-light);}

/* ---------- 检索与标签 ---------- */
.tool-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.search-visual{
  display:flex;align-items:center;gap:12px;
  height:52px;padding:0 20px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-visual:focus-within{border-color:var(--brand-light);box-shadow:0 0 0 4px var(--brand-tint);}
.search-visual svg{width:18px;height:18px;color:var(--text-3);flex-shrink:0;}
.search-visual input{
  flex:1;border:0;background:transparent;outline:none;font-size:15px;
}
.search-visual input::placeholder{color:var(--text-3);}
.search-visual .btn{height:38px;padding:0 20px;font-size:14px;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  font-size:13.5px;color:var(--brand);
  background:var(--brand-tint);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.tag:hover{background:#d9e8e3;}
.tag.is-active{background:var(--brand);color:var(--inverse);}
.tag--accent{background:rgba(198,85,60,.12);color:var(--accent);}
.tag--accent:hover{background:rgba(198,85,60,.2);}

.mini-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:26px;padding-top:26px;border-top:1px solid var(--line);
}
.mini-stat{display:flex;flex-direction:column;gap:4px;}
.mini-stat .num{
  font-family:var(--font-serif);font-size:34px;font-weight:700;
  color:var(--brand);letter-spacing:.04em;line-height:1.2;
}
.mini-stat .num span{font-size:14px;font-weight:500;margin-left:2px;color:var(--text-2);}
.mini-stat .lab{font-size:13.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
  align-items:start;
}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.faq-item:hover{border-color:rgba(18,59,51,.28);}
.faq-item.is-open{border-color:rgba(18,59,51,.3);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 24px;
  text-align:left;
  font-size:17.5px;line-height:1.6;font-weight:600;
  color:var(--text);
  font-family:var(--font-serif);
}
.faq-q:hover{color:var(--brand);}
.faq-ico{
  position:relative;flex-shrink:0;
  width:22px;height:22px;margin-top:4px;
  border-radius:50%;
  background:var(--brand-tint);
  transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-ico::before{width:10px;height:1.6px;}
.faq-ico::after{width:1.6px;height:10px;}
.faq-item.is-open .faq-ico{background:var(--brand);}
.faq-item.is-open .faq-ico::before{background:#fff;}
.faq-item.is-open .faq-ico::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .32s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a__inner{overflow:hidden;}
.faq-a p{
  padding:0 24px 24px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-a p + p{padding-top:0;margin-top:-6px;}

.contact-card{
  margin-top:14px;
  background:var(--brand);
  color:var(--inverse);
  border-radius:var(--radius-card);
  padding:30px 28px;
  box-shadow:var(--shadow-2);
}
.contact-card h3{color:#fff;font-size:22px;margin-bottom:12px;}
.contact-card p{font-size:14.5px;line-height:1.8;color:rgba(247,245,241,.8);}
.contact-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:10px;}
.contact-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(247,245,241,.86);
  padding-bottom:10px;border-bottom:1px solid rgba(247,245,241,.16);
}
.contact-list li:last-child{border-bottom:0;padding-bottom:0;}
.contact-list .dot{
  width:6px;height:6px;border-radius:50%;background:#E9C3B7;flex-shrink:0;
}
.contact-card .btn-primary{background:#fff;color:var(--brand);width:100%;}
.contact-card .btn-primary:hover{background:var(--brand-tint);color:var(--brand-dark);}

/* ---------- 流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.flow-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.flow-item .idx{
  font-family:var(--font-serif);
  font-size:15px;font-weight:700;letter-spacing:.1em;
  color:var(--accent);
}
.flow-item h3{font-size:19px;margin:14px 0 10px;}
.flow-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- 支持卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(18,59,51,.3);}
.card__media{
  position:relative;aspect-ratio:16/10;
  background:var(--muted-bg);
  overflow:hidden;
}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:20px;line-height:1.4;}
.card__body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.card__body .text-link{margin-top:auto;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-dark);
  color:var(--inverse);
  border-radius:0;
  padding:76px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,115,101,.55),transparent 68%);
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.26;max-width:620px;}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(247,245,241,.78);max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap;}
.cta-band .btn-primary{background:#fff;color:var(--brand);}
.cta-band .btn-primary:hover{background:var(--brand-tint);color:var(--brand-dark);}
.cta-band .btn-outline{border-color:rgba(247,245,241,.5);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(247,245,241,.12);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:66px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;margin-bottom:16px;
}
.footer-brand .brand__mark{width:34px;height:34px;border-radius:10px;}
.site-footer p{font-size:14px;color:var(--text-2);line-height:1.9;max-width:340px;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:14px;font-weight:600;letter-spacing:.06em;
  color:var(--text);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:13px;color:var(--text-3);
  flex-wrap:wrap;
}

/* ---------- 浮动按钮与弹层 ---------- */
.float-btn{
  position:fixed;right:26px;bottom:26px;z-index:70;
  width:58px;height:58px;border-radius:50%;
  background:var(--brand);color:var(--inverse);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px -10px rgba(18,59,51,.5);
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.float-btn:hover{background:var(--brand-dark);transform:translateY(-3px);}
.float-btn svg{width:22px;height:22px;}

.modal{
  position:fixed;inset:0;z-index:120;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(14,31,28,.45);
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.modal.is-open{opacity:1;visibility:visible;}
.modal__card{
  width:520px;max-width:100%;
  max-height:90vh;overflow-y:auto;
  background:#fff;
  border-radius:var(--radius-modal);
  padding:34px 32px 30px;
  position:relative;
  box-shadow:0 30px 60px -20px rgba(18,32,30,.4);
  transform:translateY(16px);
  transition:transform .3s var(--ease);
}
.modal.is-open .modal__card{transform:translateY(0);}
.modal__close{
  position:absolute;right:16px;top:16px;
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.modal__close:hover{background:var(--muted-bg);color:var(--brand);}
.modal__card h3{font-size:23px;margin-bottom:10px;}
.modal__card > p{font-size:14.5px;color:var(--text-2);margin-bottom:24px;}

.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-light);
  box-shadow:0 0 0 4px var(--brand-tint);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6560' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--err);}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.is-error .err-msg{display:block;}

.check-row{display:flex;align-items:flex-start;gap:10px;margin:18px 0 22px;}
.check-row input[type="checkbox"]{
  appearance:none;
  width:18px;height:18px;margin-top:3px;
  border:1px solid var(--line);border-radius:5px;
  background:#fff;flex-shrink:0;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.check-row input[type="checkbox"]:checked{
  background:var(--brand) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") center/13px no-repeat;
  border-color:var(--brand);
}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.check-row a{color:var(--brand);text-decoration:underline;}
.modal__actions{display:flex;gap:12px;align-items:center;}
.modal__actions .btn{flex:1;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{padding:0 56px;}
  .section{padding:120px 0;}
}
@media (max-width:1199px){
  .faq-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:34px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .header-tools .btn-ghost{display:none;}
  .hamburger{display:inline-flex;}
  .section{padding:72px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .mini-stats{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:14px;}
  .brand__name{font-size:15.5px;}
  .brand__ico{display:none;}
  .header-tools .btn-primary{display:none;}
  .page-hero{min-height:240px;}
  .page-hero__inner{padding:40px 0 36px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .flow{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:16.5px;}
  .faq-a p{padding:0 18px 20px;}
  .tool-panel{padding:20px 18px;}
  .btn{min-height:48px;}
  .btn-sm{min-height:40px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .modal{padding:14px;}
  .modal__card{padding:28px 20px 24px;}
  .float-btn{right:16px;bottom:16px;width:54px;height:54px;}
}
@media (max-width:420px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:30px;}
  .modal__actions{flex-direction:column;}
  .modal__actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}