/* roulang page: index */
:root{
  --ink-900:#14131C;
  --ink-700:#2B2A38;
  --ink-500:#55536A;
  --paper:#FAF9F7;
  --paper-2:#F1EFEB;
  --line:#E3E0D9;
  --violet-900:#241F52;
  --violet-600:#4B3FA8;
  --violet-400:#8B7DF6;
  --cyan-500:#1FBFB0;
  --ember-500:#FF7A45;
  --success:#1F9D6B;
  --warning:#E0A020;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-hover:0 12px 28px rgba(20,19,28,.08);
  --container:1240px;
  --gutter:clamp(20px,4vw,40px);
  --section-y:clamp(56px,7vw,104px);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms var(--ease);
  --t:200ms var(--ease);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --num:"DM Sans","Inter","Helvetica Neue",Arial,sans-serif;
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --header-h:88px;
}
*,*::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:1.8;
  color:var(--ink-700);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--violet-600);text-decoration:none;}
a:hover{color:var(--violet-400);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink-900);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-family:var(--serif);font-weight:700;line-height:1.22;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(139,125,246,.28);color:var(--ink-900);}
:focus-visible{outline:2px solid var(--violet-600);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--paper-2);}
::-webkit-scrollbar-thumb{background:#CFC9D8;border-radius:999px;border:2px solid var(--paper-2);}
::-webkit-scrollbar-thumb:hover{background:var(--violet-400);}

.sc-container{width:100%;max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
.sc-section{padding-top:var(--section-y);padding-bottom:var(--section-y);}
.sc-section--tint{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--violet-600);text-transform:uppercase;
}
.sc-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan-500);}
.sc-h2{font-size:clamp(24px,3vw,34px);letter-spacing:0;}
.sc-lead{font-size:18px;color:var(--ink-500);line-height:1.85;}

/* ---------- 按钮 ---------- */
.sc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.sc-btn--primary{background:var(--violet-600);color:#fff;}
.sc-btn--primary:hover{background:#3F3490;color:#fff;}
.sc-btn--primary:active{background:#372C7E;transform:translateY(1px);}
.sc-btn--ghost{background:transparent;border-color:var(--violet-600);color:var(--violet-600);}
.sc-btn--ghost:hover{background:rgba(75,63,168,.07);color:var(--violet-600);}
.sc-btn--ghost:active{transform:translateY(1px);}
.sc-btn--light{background:#fff;color:var(--violet-900);border-color:#fff;}
.sc-btn--light:hover{background:#EDEAFB;color:var(--violet-900);}
.sc-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.sc-btn--block{width:100%;}
.sc-btn[disabled],.sc-btn.is-disabled{opacity:.4;pointer-events:none;}
.sc-linkarrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--violet-600);
}
.sc-linkarrow svg{transition:transform var(--t);}
.sc-linkarrow:hover svg{transform:translateX(6px);}

/* ---------- 徽章 / 标签 ---------- */
.sc-badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--radius-pill);
  background:rgba(139,125,246,.16);color:#3B3193;
}
.sc-badge--cyan{background:rgba(31,191,176,.16);color:#0E7C71;}
.sc-badge--ember{background:rgba(255,122,69,.16);color:#B4421A;}
.sc-badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-500);}

/* ---------- 头部导航 ---------- */
.sc-header{
  position:sticky;top:0;z-index:90;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:height var(--t),background-color var(--t),box-shadow var(--t);
}
.sc-header__brand{display:flex;align-items:center;height:56px;}
.sc-brandrow{display:flex;align-items:center;gap:20px;width:100%;}
.sc-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);flex:0 0 auto;}
.sc-logo:hover{color:var(--ink-900);}
.sc-logo__mark{width:30px;height:30px;display:grid;place-items:center;flex:0 0 auto;}
.sc-logo__mark svg{width:30px;height:30px;}
.sc-logo__name{font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.sc-brandrow__tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.sc-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;
  transition:border-color var(--t),box-shadow var(--t);
}
.sc-search:hover{border-color:#CFC9E0;}
.sc-search:focus-within{border-color:var(--violet-600);box-shadow:0 0 0 2px rgba(75,63,168,.14);}
.sc-search svg{flex:0 0 auto;color:var(--ink-500);}
.sc-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;}
.sc-search input::placeholder{color:#9A97A8;}
.sc-burger{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.sc-burger span{display:block;width:16px;height:2px;background:var(--ink-900);position:relative;}
.sc-burger span::before,.sc-burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink-900);}
.sc-burger span::before{top:-5px;}
.sc-burger span::after{top:5px;}

.sc-header__nav{border-top:1px solid var(--line);}
.sc-navrow{display:flex;align-items:center;gap:20px;height:52px;}
.sc-nav{display:flex;align-items:center;gap:6px;}
.sc-nav a{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--ink-700);
  transition:color var(--t);
}
.sc-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--violet-600);transform:scaleX(0);transform-origin:left center;
  transition:transform 220ms var(--ease);
}
.sc-nav a:hover{color:var(--violet-600);}
.sc-nav a:hover::after{transform:scaleX(1);}
.sc-nav a.is-active{color:var(--ink-900);font-weight:700;}
.sc-nav a.is-active::after{transform:scaleX(1);}
.sc-trends{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;padding:6px 0;max-width:52%;
  scrollbar-width:none;
}
.sc-trends::-webkit-scrollbar{display:none;}
.sc-trend{
  scroll-snap-align:start;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 11px;border-radius:var(--radius-pill);
  background:rgba(31,191,176,.12);color:#0E7C71;
  font-size:13px;font-weight:600;
  transition:background-color var(--t),color var(--t);
}
.sc-trend:hover{background:rgba(31,191,176,.24);color:#0B6559;}
.sc-trend i{font-style:normal;font-family:var(--num);font-size:11px;opacity:.7;}
.sc-trend--hot{background:rgba(255,122,69,.14);color:#B4421A;}
.sc-trend--hot:hover{background:rgba(255,122,69,.26);color:#94340F;}

.sc-header.is-scrolled{background:rgba(250,249,247,.96);box-shadow:0 1px 8px rgba(20,19,28,.06);}
.sc-header.is-scrolled .sc-header__nav{display:none;}
.sc-header.is-scrolled .sc-header__brand{height:60px;}

/* 移动抽屉 */
.sc-drawer{
  position:fixed;inset:0 0 0 auto;width:290px;max-width:86vw;background:var(--paper);
  border-left:1px solid var(--line);z-index:120;
  transform:translateX(100%);transition:transform 240ms var(--ease);
  padding:24px 20px;overflow-y:auto;
}
.sc-drawer.is-open{transform:translateX(0);}
.sc-drawer__title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-500);text-transform:uppercase;margin:18px 0 10px;}
.sc-drawer__title:first-child{margin-top:0;}
.sc-drawer__list li + li{border-top:1px solid var(--line);}
.sc-drawer__list a{display:block;padding:13px 2px;color:var(--ink-900);font-size:15px;}
.sc-drawer__list a.is-active{color:var(--violet-600);font-weight:700;}
.sc-drawer__tags{display:flex;flex-wrap:wrap;gap:8px;}
.sc-mask{position:fixed;inset:0;background:rgba(20,19,28,.42);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms;z-index:110;}
.sc-mask.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.sc-hero{padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(40px,5vw,72px);}
.sc-hero__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,4vw,56px);align-items:center;
  min-height:600px;
}
.sc-hero__title{
  font-size:clamp(30px,4.6vw,56px);line-height:1.15;letter-spacing:0;margin-bottom:18px;
}
.sc-hero__sub{font-size:clamp(16px,1.6vw,19px);color:var(--ink-500);max-width:520px;margin-bottom:28px;}
.sc-hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:34px;}
.sc-hero__points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:24px;}
.sc-point{display:flex;gap:10px;align-items:flex-start;}
.sc-point svg{flex:0 0 auto;margin-top:3px;color:var(--violet-600);}
.sc-point strong{display:block;font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:2px;}
.sc-point span{font-size:13px;color:var(--ink-500);line-height:1.7;}

.sc-hero__visual{position:relative;min-height:420px;}
.sc-hero__back{
  position:absolute;inset:0;border-radius:var(--radius-card);overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.sc-hero__back::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(36,31,82,.86),rgba(20,19,28,.9));
}
.sc-hero__card{
  position:absolute;left:-14px;bottom:-18px;width:min(340px,84%);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:0 12px 28px rgba(20,19,28,.10);
}
.sc-hero__card img{width:100%;aspect-ratio:16/10;object-fit:cover;margin-bottom:12px;}
.sc-hero__card h3{font-size:16px;margin-bottom:6px;}
.sc-hero__card p{font-size:13px;color:var(--ink-500);line-height:1.7;}
.sc-hero__floattag{
  position:absolute;right:18px;top:18px;
  background:rgba(255,255,255,.94);border-radius:var(--radius-pill);
  padding:8px 14px;font-size:13px;font-weight:600;color:var(--violet-900);
  display:inline-flex;align-items:center;gap:7px;
}
.sc-hero__floattag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan-500);}

/* ---------- 频道入口条 ---------- */
.sc-channels{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.sc-channels__row{display:flex;align-items:center;gap:14px;padding:14px 0;flex-wrap:wrap;}
.sc-channels__label{font-size:13px;font-weight:700;color:var(--ink-500);flex:0 0 auto;}
.sc-channels__list{display:flex;gap:10px;flex-wrap:wrap;}
.sc-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--ink-700);background:var(--paper);
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.sc-pill:hover{background:var(--violet-600);border-color:var(--violet-600);color:#fff;}

/* ---------- 服务 / 能力区 ---------- */
.sc-split{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:start;}
.sc-split__aside{position:sticky;top:110px;}
.sc-split__aside .sc-h2{margin:14px 0 14px;}
.sc-grid-cap{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.sc-cap{
  position:relative;padding:30px 26px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper);transition:background-color var(--t),transform var(--t),box-shadow var(--t);
}
.sc-cap:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.sc-cap__no{
  font-family:var(--serif);font-size:44px;line-height:1;color:rgba(75,63,168,.16);
  display:block;margin-bottom:14px;
}
.sc-cap h3{font-size:20px;margin-bottom:10px;}
.sc-cap p{font-size:15px;color:var(--ink-500);line-height:1.85;}
.sc-cap--wide{grid-column:span 2;}
.sc-cap--wide .sc-cap__no{margin-bottom:10px;}

/* ---------- 数据带 ---------- */
.sc-stats{
  background:var(--violet-900);color:#fff;position:relative;overflow:hidden;
}
.sc-stats::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(rgba(255,255,255,.75) 1px,transparent 1px);
  background-size:26px 26px;
}
.sc-stats .sc-container{position:relative;}
.sc-stats__head{max-width:660px;margin-bottom:44px;}
.sc-stats__head h2{color:#fff;}
.sc-stats__head p{color:rgba(255,255,255,.72);margin-top:14px;font-size:16px;}
.sc-stats__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.sc-stat{padding:6px 26px;border-left:1px solid rgba(255,255,255,.2);}
.sc-stat:first-child{border-left:0;padding-left:0;}
.sc-stat__num{font-family:var(--serif);font-size:clamp(38px,4vw,54px);line-height:1.05;color:#fff;display:flex;align-items:baseline;gap:6px;}
.sc-stat__num small{font-size:14px;font-family:var(--sans);color:rgba(255,255,255,.7);font-weight:500;}
.sc-stat p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.75;}

/* ---------- 案例区 ---------- */
.sc-cases{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;}
.sc-case{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.sc-case:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D1E4;}
.sc-case__media{overflow:hidden;}
.sc-case__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform 260ms var(--ease);}
.sc-case:hover .sc-case__media img{transform:scale(1.03);}
.sc-case__body{padding:22px;display:flex;flex-direction:column;gap:10px;}
.sc-case__body h3{font-size:19px;line-height:1.4;}
.sc-case__body p{font-size:15px;color:var(--ink-500);}
.sc-case__tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px;}
.sc-cases__col{display:grid;gap:24px;align-content:start;}
.sc-case--small{flex-direction:row;align-items:stretch;}
.sc-case--small .sc-case__media{flex:0 0 40%;}
.sc-case--small .sc-case__media img{height:100%;aspect-ratio:auto;min-height:150px;}

/* ---------- 方案带状列表 ---------- */
.sc-plans{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(24px,3vw,56px);align-items:start;}
.sc-plan{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:26px 0;border-top:1px solid var(--line);
  transition:background-color var(--t);
}
.sc-plan:last-child{border-bottom:1px solid var(--line);}
.sc-plan:hover{background:rgba(139,125,246,.05);}
.sc-plan__no{font-family:var(--serif);font-size:26px;color:var(--violet-600);opacity:.7;}
.sc-plan h3{font-size:19px;margin-bottom:6px;}
.sc-plan p{font-size:15px;color:var(--ink-500);}

/* ---------- 最新信息 ---------- */
.sc-news__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.sc-news{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start;}
.sc-news__feature{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.sc-news__feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.sc-news__feature img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.sc-news__feature .sc-news__body{padding:22px;}
.sc-news__body{display:flex;flex-direction:column;gap:10px;}
.sc-news__body h3{font-size:21px;line-height:1.42;}
.sc-news__body p{font-size:15px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.sc-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-500);font-family:var(--num);}
.sc-news__list li{border-bottom:1px solid var(--line);}
.sc-news__list li:first-child{border-top:1px solid var(--line);}
.sc-news__item{display:block;padding:18px 4px;transition:background-color var(--t);}
.sc-news__item:hover{background:rgba(139,125,246,.05);}
.sc-news__item h3{font-size:17px;line-height:1.5;margin-bottom:8px;transition:color var(--t);}
.sc-news__item:hover h3{color:var(--violet-600);}
.sc-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:220px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;text-align:center;padding:24px;
}
.sc-empty svg{color:var(--violet-400);}
.sc-empty strong{font-size:16px;color:var(--ink-900);}
.sc-empty span{font-size:14px;color:var(--ink-500);}

/* ---------- FAQ ---------- */
.sc-faq{border-top:1px solid var(--line);max-width:920px;}
.sc-faq__item{border-bottom:1px solid var(--line);}
.sc-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:22px 0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-900);font-family:var(--sans);
}
.sc-faq__q:hover{color:var(--violet-600);}
.sc-faq__icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--violet-600);
  transition:transform 240ms var(--ease),background-color var(--t),border-color var(--t);
}
.sc-faq__item.is-open .sc-faq__icon{transform:rotate(180deg);background:rgba(75,63,168,.08);border-color:rgba(75,63,168,.3);}
.sc-faq__a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.sc-faq__a p{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--ink-500);max-width:760px;}

/* ---------- CTA ---------- */
.sc-cta{background:var(--paper-2);border-top:1px solid var(--line);}
.sc-cta__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,4vw,64px);align-items:start;}
.sc-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:clamp(22px,3vw,32px);}
.sc-field{margin-bottom:18px;}
.sc-field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.sc-input,.sc-select,.sc-textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:var(--paper);outline:0;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.sc-textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.sc-input:focus,.sc-select:focus,.sc-textarea:focus{border-color:var(--violet-600);background:#fff;box-shadow:0 0 0 2px rgba(75,63,168,.14);}
.sc-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-500);line-height:1.7;margin:4px 0 20px;}
.sc-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--violet-600);}
.sc-form__note{font-size:13px;color:var(--ink-500);margin-top:14px;}

/* ---------- 页脚 ---------- */
.sc-footer{background:var(--violet-900);color:rgba(255,255,255,.78);padding-top:64px;}
.sc-footer__grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px);padding-bottom:48px;}
.sc-footer h3{color:#fff;font-size:15px;font-family:var(--sans);font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.sc-footer .sc-logo__name{color:#fff;}
.sc-footer__about p{font-size:14px;line-height:1.9;margin-top:16px;max-width:340px;}
.sc-footer__links li{margin-bottom:11px;}
.sc-footer__links a{color:rgba(255,255,255,.78);font-size:14px;transition:color var(--t);}
.sc-footer__links a:hover{color:#fff;}
.sc-footer__bottom{
  border-top:1px solid rgba(255,255,255,.16);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.sc-footer__bottom a{color:rgba(255,255,255,.7);}
.sc-footer__bottom a:hover{color:#fff;}

/* ---------- 动效 ---------- */
.sc-reveal{opacity:0;transform:translateY(12px);transition:opacity 220ms var(--ease),transform 220ms var(--ease);}
.sc-reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .sc-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .sc-trends{max-width:44%;}
}
@media (max-width:1023px){
  .sc-hero__grid{grid-template-columns:minmax(0,1fr);min-height:auto;}
  .sc-hero__visual{min-height:340px;order:-1;}
  .sc-hero__card{left:auto;right:14px;bottom:-14px;}
  .sc-split,.sc-plans,.sc-cta__grid{grid-template-columns:minmax(0,1fr);}
  .sc-split__aside{position:static;}
  .sc-cases{grid-template-columns:minmax(0,1fr);}
  .sc-news{grid-template-columns:minmax(0,1fr);}
  .sc-stats__grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px;}
  .sc-stat:nth-child(3){border-left:0;padding-left:0;}
  .sc-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px;}
}
@media (max-width:767px){
  :root{--section-y:56px;}
  .sc-nav,.sc-trends{display:none;}
  .sc-burger{display:inline-flex;}
  .sc-search{width:150px;}
  .sc-header.is-scrolled .sc-header__nav{display:block;}
  .sc-header.is-scrolled .sc-navrow{height:auto;padding:8px 0;overflow-x:auto;}
  .sc-hero__points{grid-template-columns:minmax(0,1fr);}
  .sc-grid-cap{grid-template-columns:minmax(0,1fr);}
  .sc-cap--wide{grid-column:span 1;}
  .sc-plan{grid-template-columns:44px minmax(0,1fr);row-gap:8px;}
  .sc-plan .sc-linkarrow{grid-column:2;}
  .sc-case--small{flex-direction:column;}
  .sc-case--small .sc-case__media{flex:none;}
  .sc-footer__grid{grid-template-columns:minmax(0,1fr);}
  .sc-news__head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .sc-logo__name{font-size:16px;}
  .sc-search{width:100%;}
  .sc-brandrow__tools{flex-wrap:wrap;justify-content:flex-end;}
  .sc-hero__cta{gap:12px;}
  .sc-btn{width:100%;}
  .sc-hero__cta .sc-linkarrow{width:100%;justify-content:flex-start;}
  .sc-stats__grid{grid-template-columns:minmax(0,1fr);}
  .sc-stat{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.2);padding-top:22px;}
  .sc-stat:first-child{border-top:0;padding-top:0;}
  .sc-hero__visual{min-height:280px;}
  .sc-hero__card{position:relative;left:0;right:0;bottom:0;width:100%;margin-top:16px;}
}

/* roulang page: article */
:root{
  --ink-900:#14131C;
  --ink-700:#2B2A38;
  --ink-500:#55536A;
  --paper:#FAF9F7;
  --paper-2:#F1EFEB;
  --line:#E3E0D9;
  --violet-900:#241F52;
  --violet-600:#4B3FA8;
  --violet-400:#8B7DF6;
  --cyan-500:#1FBFB0;
  --ember-500:#FF7A45;
  --success:#1F9D6B;
  --warning:#E0A020;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(20,19,28,.04);
  --shadow-hover:0 12px 28px rgba(20,19,28,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms;
  --t:200ms;
  --t-slow:240ms;
  --container:1240px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DM Sans","Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--violet-600);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--violet-900)}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink-900)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
figure{margin:0}
::selection{background:rgba(75,63,168,.16);color:var(--ink-900)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--violet-600);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#D7D3CA;border-radius:999px;border:2px solid var(--paper)}
::-webkit-scrollbar-thumb:hover{background:#C4BFB4}

.sc-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.sc-serif{font-family:var(--font-serif)}
.sc-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 阅读进度条 */
.sc-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--violet-600);z-index:140;transition:width 90ms linear}

/* 头部 */
.sc-header{
  position:sticky;top:0;z-index:100;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.sc-header.is-scrolled{
  background:rgba(250,249,247,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(20,19,28,.05);
}
.sc-brandrow{display:flex;align-items:center;gap:24px;height:56px;transition:height var(--t) var(--ease)}
.sc-header.is-scrolled .sc-brandrow{height:60px}
.sc-header.is-scrolled .sc-header__nav{display:none}
.sc-logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);flex:0 0 auto}
.sc-logo:hover{color:var(--ink-900)}
.sc-logo__mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--violet-900);flex:0 0 auto}
.sc-logo__mark svg{width:22px;height:22px;display:block}
.sc-logo__name{font-family:var(--font-serif);font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.sc-brandrow__tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.sc-search{position:relative;width:220px;flex:0 0 auto}
.sc-search input{
  width:100%;height:38px;padding:0 38px 0 13px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink-900);font-size:14px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.sc-search input::placeholder{color:#9A97A6}
.sc-search input:focus{border-color:var(--violet-600);box-shadow:0 0 0 3px rgba(75,63,168,.12);outline:none}
.sc-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border:0;background:transparent;color:var(--ink-500);
  display:inline-flex;align-items:center;justify-content:center;border-radius:8px;
}
.sc-search button:hover{color:var(--violet-600);background:var(--paper-2)}
.sc-search svg{width:16px;height:16px}
.sc-burger{
  display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.sc-burger span{display:block;width:16px;height:1.6px;background:var(--ink-900);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.sc-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.sc-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.sc-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

.sc-header__nav{border-top:1px solid var(--line)}
.sc-navrow{display:flex;align-items:center;justify-content:space-between;gap:24px;height:32px}
.sc-nav{display:flex;align-items:center;gap:26px}
.sc-nav a{
  position:relative;display:inline-block;color:var(--ink-700);font-size:15px;font-weight:500;line-height:32px;
}
.sc-nav a::after{
  content:"";position:absolute;left:0;bottom:4px;height:2px;width:0;background:var(--violet-600);
  transition:width var(--t) var(--ease);
}
.sc-nav a:hover{color:var(--violet-600)}
.sc-nav a:hover::after{width:100%}
.sc-nav a.is-active{color:var(--ink-900);font-weight:700}
.sc-nav a.is-active::after{width:100%}
.sc-trends{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:2px 0}
.sc-trends::-webkit-scrollbar{height:0}
.sc-trend{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;scroll-snap-align:start;
  padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-700);font-size:13px;transition:all var(--t) var(--ease);
}
.sc-trend i{font-style:normal;font-family:var(--font-num);font-size:12px;color:var(--cyan-500);font-weight:600}
.sc-trend:hover{border-color:var(--violet-400);color:var(--violet-600);transform:translateY(-1px)}
.sc-trend--hot{border-color:rgba(255,122,69,.45)}
.sc-trend--hot i{color:var(--ember-500)}

/* 抽屉 */
.sc-drawer{position:fixed;inset:0;z-index:130;pointer-events:none}
.sc-drawer__mask{position:absolute;inset:0;background:rgba(20,19,28,.42);opacity:0;transition:opacity var(--t-slow) var(--ease)}
.sc-drawer__panel{
  position:absolute;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;
  transform:translateX(100%);transition:transform var(--t-slow) var(--ease);
  padding:20px;overflow-y:auto;box-shadow:-12px 0 32px rgba(20,19,28,.12);
}
.sc-drawer.is-open{pointer-events:auto}
.sc-drawer.is-open .sc-drawer__mask{opacity:1}
.sc-drawer.is-open .sc-drawer__panel{transform:translateX(0)}
.sc-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.sc-drawer__head strong{font-family:var(--font-serif);font-size:17px}
.sc-drawer__close{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:18px;line-height:1;color:var(--ink-700)}
.sc-drawer__group{padding-top:18px}
.sc-drawer__group h4{font-size:13px;color:var(--ink-500);font-weight:600;letter-spacing:.04em;margin-bottom:10px}
.sc-drawer__group ul{display:flex;flex-direction:column;gap:2px}
.sc-drawer__group a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink-700);font-size:15px}
.sc-drawer__group a:hover{background:var(--paper-2);color:var(--violet-600)}

/* 面包屑 */
.sc-crumb{padding:20px 0 0}
.sc-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.sc-crumb li{display:inline-flex;align-items:center;gap:8px}
.sc-crumb li+li::before{content:"/";color:#C4BFB4}
.sc-crumb a{color:var(--ink-500)}
.sc-crumb a:hover{color:var(--violet-600)}
.sc-crumb [aria-current="page"]{color:var(--ink-900);font-weight:600}

/* 文章头部 */
.sc-post-head{padding:22px 0 30px;border-bottom:1px solid var(--line)}
.sc-post-head h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,3vw,38px);line-height:1.28;letter-spacing:.01em;max-width:900px;
}
.sc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink-500)}
.sc-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(139,125,246,.16);color:#3B3190}
.sc-badge--cyan{background:rgba(31,191,176,.16);color:#0F7B71}
.sc-meta__dot{width:4px;height:4px;border-radius:50%;background:#C4BFB4}
.sc-meta__num{font-family:var(--font-num)}

/* 布局 */
.sc-post-wrap{padding:clamp(32px,5vw,56px) 0 clamp(56px,7vw,88px)}
.sc-post-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:start}
.sc-post-layout.is-single{grid-template-columns:minmax(0,1fr)}
.sc-post-layout.is-single .sc-toc{display:none}
.sc-post-layout.is-single .sc-post-body{margin:0 auto}

/* 目录 */
.sc-toc{position:sticky;top:96px}
.sc-toc__title{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700;color:var(--ink-500);letter-spacing:.06em;padding-bottom:12px;border-bottom:1px solid var(--line)}
.sc-toc__list{margin-top:14px;display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - 220px);overflow-y:auto}
.sc-toc__link{
  display:block;padding:7px 0 7px 14px;border-left:2px solid transparent;
  color:var(--ink-500);font-size:14px;line-height:1.6;
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.sc-toc__link:hover{color:var(--violet-600)}
.sc-toc__link.is-sub{padding-left:26px;font-size:13px;color:#7A7789}
.sc-toc__link.is-current{color:var(--violet-600);border-left-color:var(--violet-600);font-weight:600}
.sc-toc__toggle{display:none;width:100%;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);font-size:14px;color:var(--ink-700);align-items:center;justify-content:space-between;padding:0 14px}
.sc-toc__toggle i{font-style:normal;color:var(--violet-600)}

/* 正文 */
.sc-post-body{max-width:760px;width:100%}
.sc-prose{font-size:17px;line-height:1.95;color:var(--ink-700)}
.sc-prose>p:first-of-type{font-size:18px;color:var(--ink-900)}
.sc-prose p{margin:0 0 1.4em}
.sc-prose h2{
  font-family:var(--font-serif);font-size:clamp(24px,2.4vw,30px);color:var(--ink-900);
  margin:2.2em 0 .8em;padding-left:14px;border-left:3px solid var(--violet-600);line-height:1.4;
}
.sc-prose h3{font-size:20px;color:var(--ink-900);margin:1.9em 0 .6em}
.sc-prose h4{font-size:17px;color:var(--ink-900);margin:1.6em 0 .5em}
.sc-prose a{color:var(--violet-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.sc-prose a:hover{color:var(--violet-900)}
.sc-prose ul,.sc-prose ol{margin:0 0 1.4em;padding-left:4px}
.sc-prose ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.sc-prose ul li::before{content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--violet-600)}
.sc-prose ol{counter-reset:sc-ol}
.sc-prose ol li{position:relative;padding-left:26px;margin-bottom:.55em;counter-increment:sc-ol}
.sc-prose ol li::before{
  content:counter(sc-ol);position:absolute;left:0;top:.42em;
  font-family:var(--font-num);font-size:13px;font-weight:600;color:var(--violet-600);
}
.sc-prose blockquote{
  margin:1.8em 0;padding:18px 22px;background:var(--paper-2);
  border-left:3px solid var(--violet-600);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--ink-700);
}
.sc-prose blockquote p:last-child{margin-bottom:0}
.sc-prose img{margin:1.8em 0;border-radius:var(--radius-img);width:100%}
.sc-prose figure{margin:1.8em 0}
.sc-prose figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px;line-height:1.7}
.sc-prose strong{color:var(--ink-900);font-weight:700}
.sc-prose table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;line-height:1.7}
.sc-prose th,.sc-prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.sc-prose th{background:var(--paper-2);color:var(--ink-900);font-weight:600;white-space:nowrap}
.sc-prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:#3B3190;
}
.sc-prose pre{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-img);padding:16px 18px;overflow-x:auto;margin:1.8em 0}
.sc-prose pre code{background:transparent;border:0;padding:0;color:var(--ink-700)}
.sc-prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* 空态 */
.sc-empty{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:40px 24px;
}
.sc-empty__icon{width:56px;height:56px;border-radius:16px;background:rgba(75,63,168,.08);display:flex;align-items:center;justify-content:center}
.sc-empty__icon svg{width:28px;height:28px}
.sc-empty h2{font-family:var(--font-serif);font-size:20px;color:var(--ink-900)}
.sc-empty p{font-size:14px;color:var(--ink-500);max-width:420px}

/* 引导卡 */
.sc-entrycard{
  margin-top:40px;padding:24px 26px;border:1px solid var(--line);border-left:3px solid var(--cyan-500);
  border-radius:var(--radius-card);background:#fff;display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.sc-entrycard:hover{box-shadow:var(--shadow-hover)}
.sc-entrycard__text{flex:1 1 320px}
.sc-entrycard h3{font-family:var(--font-serif);font-size:19px;color:var(--ink-900)}
.sc-entrycard p{margin-top:6px;font-size:14px;color:var(--ink-500);line-height:1.8}

/* 标签 */
.sc-post-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.sc-post-tags>span{font-size:13px;color:var(--ink-500)}
.sc-tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-700);font-size:13px;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.sc-tag:hover{background:rgba(139,125,246,.18);color:#3B3190}

/* 上下篇 */
.sc-postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.sc-postnav__item{
  display:block;padding:20px;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.sc-postnav__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(139,125,246,.5)}
.sc-postnav__item--next{text-align:right}
.sc-postnav__dir{display:block;font-size:12px;color:var(--ink-500);letter-spacing:.06em}
.sc-postnav__item strong{display:block;margin-top:8px;font-size:16px;color:var(--ink-900);line-height:1.6}
.sc-postnav__item:hover strong{color:var(--violet-600)}

/* 相关推荐 */
.sc-related{margin-top:clamp(48px,6vw,80px)}
.sc-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.sc-sec-head h2{font-family:var(--font-serif);font-size:clamp(22px,2.2vw,28px)}
.sc-sec-head p{font-size:14px;color:var(--ink-500);margin-top:6px}
.sc-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--violet-600);white-space:nowrap}
.sc-more::after{content:"→";transition:transform var(--t) var(--ease)}
.sc-more:hover{color:var(--violet-900)}
.sc-more:hover::after{transform:translateX(5px)}
.sc-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:26px}
.sc-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  overflow:hidden;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.sc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.sc-card__media{aspect-ratio:16/10;overflow:hidden;background:rgba(75,63,168,.08)}
.sc-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms var(--ease)}
.sc-card:hover .sc-card__media img{transform:scale(1.03)}
.sc-card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.sc-card__title{font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sc-card:hover .sc-card__title{color:var(--violet-600)}
.sc-card__desc{font-size:14px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sc-card__foot{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-500)}
.sc-card__num{font-family:var(--font-num)}

/* CTA */
.sc-cta{
  margin-top:clamp(48px,6vw,84px);background:var(--paper-2);border-radius:18px;
  padding:clamp(36px,5vw,64px);display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;
}
.sc-cta h2{font-family:var(--font-serif);font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.sc-cta p{margin-top:14px;font-size:15px;color:var(--ink-500);line-height:1.85;max-width:520px}
.sc-cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.sc-cta__side{display:flex;flex-direction:column;gap:14px}
.sc-cta__item{display:flex;gap:14px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card)}
.sc-cta__item span{font-family:var(--font-num);font-size:13px;color:var(--violet-600);font-weight:600;padding-top:2px}
.sc-cta__item strong{display:block;font-size:15px;color:var(--ink-900)}
.sc-cta__item em{font-style:normal;display:block;font-size:13px;color:var(--ink-500);margin-top:4px;line-height:1.7}

/* 按钮 */
.sc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.sc-btn--primary{background:var(--violet-600);color:#fff}
.sc-btn--primary:hover{background:#3F3595;color:#fff}
.sc-btn--primary:active{transform:translateY(1px)}
.sc-btn--ghost{border-color:var(--violet-600);color:var(--violet-600);background:transparent}
.sc-btn--ghost:hover{background:rgba(75,63,168,.07);color:var(--violet-900);border-color:var(--violet-900)}
.sc-btn--sm{height:38px;padding:0 16px;font-size:14px}
.sc-btn[disabled],.sc-btn.is-disabled{opacity:.4;pointer-events:none}

/* 页脚 */
.sc-footer{background:var(--violet-900);color:rgba(255,255,255,.72);margin-top:clamp(56px,7vw,100px)}
.sc-footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:clamp(44px,5vw,72px) 0 40px;
}
.sc-footer .sc-logo{color:#fff}
.sc-footer .sc-logo__mark{background:rgba(255,255,255,.1)}
.sc-footer__about p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:360px}
.sc-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.sc-footer__links{display:flex;flex-direction:column;gap:10px}
.sc-footer__links a{color:rgba(255,255,255,.7);font-size:14px}
.sc-footer__links a:hover{color:#fff}
.sc-footer__bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.55);
}
.sc-footer__bottom a{color:rgba(255,255,255,.7)}
.sc-footer__bottom a:hover{color:#fff}

/* 入场动效 */
.sc-fade{opacity:0;transform:translateY(12px)}
.sc-fade.is-in{opacity:1;transform:none;transition:opacity 220ms var(--ease),transform 220ms var(--ease)}

@media (max-width:1280px){
  .sc-post-layout{grid-template-columns:230px minmax(0,1fr);gap:40px}
}
@media (max-width:1023px){
  .sc-search{width:180px}
  .sc-trends{overflow-x:auto}
  .sc-post-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .sc-toc{position:static;top:auto}
  .sc-toc__toggle{display:flex}
  .sc-toc__list{display:none;margin-top:12px;max-height:none}
  .sc-toc.is-open .sc-toc__list{display:flex}
  .sc-toc__title{display:none}
  .sc-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sc-cta{grid-template-columns:minmax(0,1fr)}
  .sc-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .sc-search,.sc-brandrow__tools .sc-btn{display:none}
  .sc-burger{display:flex}
  .sc-header__nav{display:none}
  .sc-brandrow{height:60px}
  .sc-crumb{padding-top:16px}
  .sc-post-head h1{font-size:26px}
  .sc-postnav{grid-template-columns:minmax(0,1fr)}
  .sc-postnav__item--next{text-align:left}
  .sc-cards{grid-template-columns:minmax(0,1fr)}
  .sc-prose{font-size:16px;line-height:1.9}
  .sc-entrycard{padding:20px}
  .sc-footer__grid{grid-template-columns:minmax(0,1fr);gap:28px}
}
@media (max-width:479px){
  .sc-btn{width:100%}
  .sc-cta__actions{flex-direction:column;align-items:stretch}
  .sc-post-tags{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .sc-fade{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#14131C;
  --ink-700:#2B2A38;
  --ink-500:#55536A;
  --paper:#FAF9F7;
  --paper-2:#F1EFEB;
  --line:#E3E0D9;
  --violet-900:#241F52;
  --violet-600:#4B3FA8;
  --violet-400:#8B7DF6;
  --cyan-500:#1FBFB0;
  --ember-500:#FF7A45;
  --success:#1F9D6B;
  --warning:#E0A020;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-hover:0 12px 28px rgba(20,19,28,.08);
  --shadow-nav:0 6px 18px rgba(20,19,28,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms var(--ease);
  --t:200ms var(--ease);
  --t-slow:240ms var(--ease);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DM Sans","Inter","Helvetica Neue",Arial,sans-serif;
  --container:1240px;
  --pad-x:clamp(20px,4vw,40px);
  --section-y:clamp(56px,7vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast)}
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(--font-serif);font-weight:700;line-height:1.25}
p{margin:0}
::selection{background:rgba(139,125,246,.28);color:var(--ink-900)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:#D5D1C8;border-radius:8px;border:2px solid var(--paper-2)}
::-webkit-scrollbar-thumb:hover{background:#BEB9AE}
:focus-visible{outline:2px solid var(--violet-600);outline-offset:2px;border-radius:4px}

.sc-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.sc-section{padding:var(--section-y) 0}
.sc-section--tint{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 顶栏 ---------- */
.sc-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.sc-header.is-condensed{
  background:rgba(250,249,247,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-nav);
}
.sc-header__brand{
  height:46px;overflow:hidden;opacity:1;
  transition:height var(--t-slow),opacity var(--t);
  border-bottom:1px solid transparent;
}
.sc-header.is-condensed .sc-header__brand{height:0;opacity:0}
.sc-brandrow{display:flex;align-items:center;gap:20px;height:46px}
.sc-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.sc-logo__mark{display:inline-flex;width:26px;height:26px}
.sc-logo__mark svg{width:100%;height:100%;display:block}
.sc-logo__name{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.sc-brandrow__tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.sc-search{
  display:flex;align-items:center;width:220px;height:36px;
  border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;overflow:hidden;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.sc-search:focus-within{border-color:var(--violet-400);box-shadow:0 0 0 2px rgba(139,125,246,.22)}
.sc-search input{flex:1;height:100%;border:0;background:transparent;outline:none;padding:0 12px;font-size:13px;color:var(--ink-900)}
.sc-search input::placeholder{color:#9C99A8}
.sc-search button{
  width:38px;height:100%;border:0;background:transparent;cursor:pointer;
  color:var(--ink-500);display:inline-flex;align-items:center;justify-content:center;
  transition:color var(--t-fast)
}
.sc-search button:hover{color:var(--violet-600)}
.sc-search button svg{width:16px;height:16px}
.sc-burger{
  display:none;width:40px;height:36px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--ink-700);
  transition:border-color var(--t-fast),color var(--t-fast)
}
.sc-burger:hover{border-color:var(--violet-400);color:var(--violet-600)}
.sc-burger svg{width:18px;height:18px}

.sc-header__nav{border-top:1px solid var(--line)}
.sc-header.is-condensed .sc-header__nav{border-top-color:transparent}
.sc-navrow{
  display:flex;align-items:center;gap:24px;height:42px;
  transition:height var(--t-slow)
}
.sc-header.is-condensed .sc-navrow{height:60px}
.sc-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.sc-nav a{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;color:var(--ink-700);
  transition:color var(--t-fast)
}
.sc-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--violet-600);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t)
}
.sc-nav a:hover{color:var(--violet-600)}
.sc-nav a:hover::after{transform:scaleX(1)}
.sc-nav a.is-active{color:var(--ink-900);font-weight:700}
.sc-nav a.is-active::after{transform:scaleX(1)}
.sc-trends{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;padding:4px 0;scrollbar-width:none
}
.sc-trends::-webkit-scrollbar{display:none}
.sc-trend{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;font-size:12.5px;color:var(--ink-500);
  background:#fff;border:1px solid var(--line);border-radius:999px;white-space:nowrap;
  transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast)
}
.sc-trend i{font-style:normal;font-family:var(--font-num);font-size:11px;color:var(--violet-600);letter-spacing:.02em}
.sc-trend:hover{color:var(--violet-600);border-color:var(--violet-400);background:#FBFAFF}
.sc-trend--hot i{color:var(--ember-500)}

/* 抽屉 */
.sc-scrim{
  position:fixed;inset:0;background:rgba(20,19,28,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity var(--t-slow)
}
.sc-scrim.is-open{opacity:1;pointer-events:auto}
.sc-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;z-index:80;
  background:var(--paper);border-left:1px solid var(--line);
  padding:22px var(--pad-x) 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform var(--t-slow)
}
.sc-drawer.is-open{transform:translateX(0)}
.sc-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.sc-drawer__title{font-family:var(--font-serif);font-size:16px;font-weight:700}
.sc-drawer__close{
  width:34px;height:34px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  cursor:pointer;color:var(--ink-700);display:inline-flex;align-items:center;justify-content:center
}
.sc-drawer__close:hover{border-color:var(--violet-400);color:var(--violet-600)}
.sc-drawer__group{margin-bottom:26px}
.sc-drawer__group h3{font-size:12px;letter-spacing:.14em;color:var(--ink-500);font-family:var(--font-sans);font-weight:600;margin-bottom:10px}
.sc-drawer__group a{
  display:block;padding:10px 0;font-size:15px;color:var(--ink-700);border-bottom:1px solid var(--line)
}
.sc-drawer__group a:hover{color:var(--violet-600)}
.sc-drawer__group a.is-active{color:var(--violet-600);font-weight:700}

/* ---------- 按钮 ---------- */
.sc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;font-size:15px;font-weight:500;
  border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast)
}
.sc-btn--sm{height:36px;padding:0 16px;font-size:13.5px}
.sc-btn--primary{background:var(--violet-600);color:#fff}
.sc-btn--primary:hover{background:#3F3496}
.sc-btn--primary:active{transform:translateY(1px);background:#382E86}
.sc-btn--ghost{background:#fff;color:var(--violet-600);border-color:var(--violet-600)}
.sc-btn--ghost:hover{background:#F3F1FE}
.sc-btn--ghost:active{transform:translateY(1px)}
.sc-btn--light{background:#fff;color:var(--violet-900)}
.sc-btn--light:hover{background:#EDEBFA}
.sc-btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.sc-btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.sc-btn[disabled]{opacity:.4;cursor:not-allowed}
.sc-linkarrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--violet-600);font-weight:500}
.sc-linkarrow svg{width:15px;height:15px;transition:transform var(--t-fast)}
.sc-linkarrow:hover svg{transform:translateX(6px)}

.sc-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  background:#EDEBFA;color:var(--violet-600)
}
.sc-badge--cyan{background:#E1F7F4;color:#13867C}
.sc-badge--ember{background:#FFEDE4;color:#C6501F}
.sc-badge--light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28)}

/* ---------- 首屏 ---------- */
.sc-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:
    linear-gradient(118deg,rgba(36,31,82,.94) 0%,rgba(20,19,28,.9) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  padding:clamp(36px,5vw,60px) 0 clamp(56px,7vw,96px)
}
.sc-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:26px}
.sc-crumbs li{display:inline-flex;align-items:center;gap:8px}
.sc-crumbs li+li::before{content:"/";color:rgba(255,255,255,.35)}
.sc-crumbs a{color:rgba(255,255,255,.78)}
.sc-crumbs a:hover{color:#fff}
.sc-crumbs li[aria-current]{color:#fff}
.sc-hero__grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);gap:56px;align-items:start}
.sc-hero h1{
  font-size:clamp(30px,4vw,48px);line-height:1.18;margin:20px 0 18px;color:#fff;letter-spacing:.01em
}
.sc-hero__lead{font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:600px}
.sc-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}
.sc-hero__actions .sc-linkarrow{color:#A99CFF}
.sc-hero__actions .sc-linkarrow:hover{color:#fff}
.sc-hero__aside{
  border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-card);
  padding:22px;background:rgba(255,255,255,.04)
}
.sc-hero__aside h2{font-size:14px;font-family:var(--font-sans);font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.68);margin-bottom:14px}
.sc-herotags{display:flex;flex-wrap:wrap;gap:8px}
.sc-herotag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  font-size:13px;color:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.22);
  transition:background-color var(--t-fast),border-color var(--t-fast),color var(--t-fast)
}
.sc-herotag:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff}
.sc-hero__meta{margin-top:18px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 导览编号带 ---------- */
.sc-headline{margin-bottom:clamp(28px,3.4vw,44px);max-width:760px}
.sc-headline h2{font-size:clamp(26px,3vw,34px);line-height:1.3}
.sc-headline p{margin-top:12px;font-size:16.5px;color:var(--ink-500)}
.sc-eyebrow{font-family:var(--font-num);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-600);display:block;margin-bottom:10px}

.sc-steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)
}
.sc-steps li{padding:30px 24px;border-right:1px solid var(--line);transition:background-color var(--t)}
.sc-steps li:last-child{border-right:0}
.sc-steps li:hover{background:#fff}
.sc-steps__num{
  display:block;font-family:var(--font-num);font-size:38px;line-height:1;
  color:rgba(75,63,168,.22);margin-bottom:14px;letter-spacing:.02em
}
.sc-steps h3{font-size:18px;margin-bottom:8px}
.sc-steps p{font-size:14.5px;line-height:1.85;color:var(--ink-500)}

/* ---------- 文档双栏 ---------- */
.sc-doc{display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start}
.sc-toc{position:sticky;top:104px;padding-left:18px;border-left:1px solid var(--line)}
.sc-toc h2{font-family:var(--font-sans);font-size:12px;letter-spacing:.16em;color:var(--ink-500);font-weight:600;margin-bottom:14px}
.sc-toc a{
  display:block;margin-left:-19px;padding:7px 0 7px 16px;
  border-left:2px solid transparent;font-size:14px;color:var(--ink-500)
}
.sc-toc a:hover{color:var(--violet-600)}
.sc-toc a.is-current{color:var(--violet-600);border-left-color:var(--violet-600);font-weight:600}
.sc-toc__note{margin-top:20px;font-size:12.5px;line-height:1.8;color:#8C8998;padding-left:16px;border-left:2px solid var(--line);margin-left:-19px}

.sc-article{max-width:780px}
.sc-article h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;
  padding-left:16px;border-left:3px solid var(--violet-600);
  margin:2.2em 0 .8em;scroll-margin-top:110px
}
.sc-article h2:first-child{margin-top:0}
.sc-article h3{font-size:20px;margin:1.8em 0 .6em;color:var(--ink-900);scroll-margin-top:110px}
.sc-article p{font-size:17px;line-height:1.95;color:var(--ink-700);margin-bottom:1.4em}
.sc-article ul{margin:0 0 1.4em;display:grid;gap:10px}
.sc-article ul li{position:relative;padding-left:20px;font-size:16.5px;line-height:1.9;color:var(--ink-700)}
.sc-article ul li::before{
  content:"";position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--violet-600)
}
.sc-article blockquote{
  margin:0 0 1.4em;padding:16px 20px;background:var(--paper-2);
  border-left:3px solid var(--violet-600);border-radius:0 10px 10px 0;
  font-size:16px;line-height:1.9;color:var(--ink-700)
}
.sc-figure{margin:0 0 1.6em}
.sc-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line)}
.sc-figure figcaption{margin-top:10px;font-size:13px;color:#8C8998;line-height:1.75}
.sc-note{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 20px;border-radius:0 10px 10px 0;background:var(--paper-2);
  border-left:3px solid var(--violet-600);font-size:15px;line-height:1.9;color:var(--ink-700);
  margin:0 0 1.6em
}
.sc-note--ok{border-left-color:var(--success);background:#EEF8F3}
.sc-note--warn{border-left-color:var(--warning);background:#FBF5E7}
.sc-note strong{color:var(--ink-900)}
.sc-checklist{display:grid;gap:12px;margin:0 0 1.6em}
.sc-checklist li{position:relative;padding-left:30px;font-size:16px;line-height:1.9;color:var(--ink-700)}
.sc-checklist li::before{
  content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
  background:#E1F7F4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.4 8.4l3 3 6-6.4' stroke='%2313867C' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat
}
.sc-table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px}
.sc-table caption{text-align:left;font-size:13px;color:#8C8998;margin-bottom:8px}
.sc-table th,.sc-table td{border:1px solid var(--line);padding:12px 14px;text-align:left;line-height:1.7}
.sc-table th{background:var(--paper-2);font-weight:600;color:var(--ink-900)}
.sc-table td{color:var(--ink-700)}

/* ---------- 卡片 ---------- */
.sc-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sc-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t)
}
.sc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D7D3C9}
.sc-card__media{display:block;overflow:hidden;background:#EDEBFA}
.sc-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--t)}
.sc-card:hover .sc-card__media img{transform:scale(1.03)}
.sc-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.sc-card__body h3{font-size:19px;line-height:1.45;transition:color var(--t-fast)}
.sc-card:hover .sc-card__body h3{color:var(--violet-600)}
.sc-card__body p{font-size:14.5px;line-height:1.85;color:var(--ink-500)}
.sc-card__foot{margin-top:auto;padding-top:12px;font-size:13px;color:#8C8998;display:flex;align-items:center;gap:10px}

/* ---------- FAQ ---------- */
.sc-faq{border-top:1px solid var(--line)}
.sc-faq__item{border-bottom:1px solid var(--line)}
.sc-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-family:var(--font-sans);font-size:17px;font-weight:500;color:var(--ink-900);line-height:1.6;
  transition:color var(--t-fast)
}
.sc-faq__q:hover{color:var(--violet-600)}
.sc-faq__icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform var(--t-slow)
}
.sc-faq__icon::before,.sc-faq__icon::after{
  content:"";position:absolute;background:var(--violet-600);border-radius:2px
}
.sc-faq__icon::before{left:2px;right:2px;top:10px;height:2px}
.sc-faq__icon::after{top:2px;bottom:2px;left:10px;width:2px;transition:opacity var(--t-fast)}
.sc-faq__item.is-open .sc-faq__icon{transform:rotate(180deg)}
.sc-faq__item.is-open .sc-faq__icon::after{opacity:0}
.sc-faq__a{display:none;padding:0 0 24px;max-width:780px}
.sc-faq__a p{font-size:15px;line-height:1.9;color:var(--ink-500)}
.sc-faq__item.is-open .sc-faq__a{display:block}

/* ---------- CTA ---------- */
.sc-cta{
  background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:var(--section-y) 0
}
.sc-cta__inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px;align-items:center}
.sc-cta h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin-bottom:14px}
.sc-cta p{font-size:16px;color:var(--ink-500);max-width:560px}
.sc-cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.sc-cta__tip{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;font-size:13px;color:#8C8998}

/* ---------- 页脚 ---------- */
.sc-footer{background:var(--violet-900);color:rgba(255,255,255,.78);padding:clamp(48px,6vw,76px) 0 0}
.sc-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.sc-footer .sc-logo__name{color:#fff}
.sc-footer__about p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.sc-footer h3{
  font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.12em;
  color:rgba(255,255,255,.6);margin-bottom:16px
}
.sc-footer__links{display:grid;gap:11px}
.sc-footer__links a{font-size:14.5px;color:rgba(255,255,255,.78)}
.sc-footer__links a:hover{color:#fff}
.sc-footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 26px;
  font-size:13px;color:rgba(255,255,255,.56)
}
.sc-footer__bottom a{color:rgba(255,255,255,.66)}
.sc-footer__bottom a:hover{color:#fff}

/* ---------- 入场动效 ---------- */
.sc-reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-slow),transform var(--t-slow)}
.sc-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .sc-navrow{gap:18px}
  .sc-nav a{padding:9px 10px}
}
@media (max-width:1023px){
  .sc-hero__grid{grid-template-columns:1fr;gap:34px}
  .sc-doc{grid-template-columns:1fr;gap:34px}
  .sc-toc{display:none}
  .sc-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sc-steps li{border-bottom:1px solid var(--line)}
  .sc-steps li:nth-child(2n){border-right:0}
  .sc-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sc-cta__inner{grid-template-columns:1fr;gap:26px}
  .sc-cta__actions{justify-content:flex-start}
  .sc-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .sc-search{display:none}
  .sc-burger{display:inline-flex}
  .sc-header__nav .sc-nav,.sc-header__nav .sc-trends{display:none}
  .sc-navrow{height:52px}
  .sc-header.is-condensed .sc-navrow{height:56px}
  .sc-hero{padding-top:30px}
  .sc-hero__lead{font-size:16px}
  .sc-steps{grid-template-columns:1fr}
  .sc-steps li{border-right:0}
  .sc-grid-3{grid-template-columns:1fr}
  .sc-footer__grid{grid-template-columns:1fr}
  .sc-article p{font-size:16.5px}
  .sc-cta__actions .sc-btn{width:100%}
}
@media (max-width:479px){
  .sc-hero__actions{flex-direction:column;align-items:stretch}
  .sc-hero__actions .sc-btn{width:100%}
  .sc-faq__q{font-size:16px;padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .sc-reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#14131C;
  --ink-700:#2B2A38;
  --ink-500:#55536A;
  --paper:#FAF9F7;
  --paper-2:#F1EFEB;
  --line:#E3E0D9;
  --violet-900:#241F52;
  --violet-600:#4B3FA8;
  --violet-400:#8B7DF6;
  --cyan-500:#1FBFB0;
  --ember-500:#FF7A45;
  --success:#1F9D6B;
  --warning:#E0A020;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-hover:0 12px 28px rgba(20,19,28,.08);
  --shadow-soft:0 2px 10px rgba(20,19,28,.05);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DM Sans","Inter",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms var(--ease);
  --t-base:220ms var(--ease);
  --h-brand:56px;
  --h-nav:42px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--violet-600)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(75,63,168,.18);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--violet-600);outline-offset:2px;border-radius:4px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:#CFCAC0;border-radius:8px;border:2px solid var(--paper-2)}
::-webkit-scrollbar-thumb:hover{background:#B9B3A7}

.sc-container{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.sc-serif{font-family:var(--font-serif)}
.sc-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.sc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:var(--violet-600);color:#fff;
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast);
}
.sc-btn:hover{background:#3E348E;color:#fff}
.sc-btn:active{transform:translateY(1px)}
.sc-btn[disabled],.sc-btn.is-disabled{opacity:.4;pointer-events:none}
.sc-btn--secondary{background:transparent;border-color:var(--violet-600);color:var(--violet-600)}
.sc-btn--secondary:hover{background:rgba(75,63,168,.08);color:var(--violet-600)}
.sc-btn--ghost{background:transparent;border-color:var(--line);color:var(--ink-700)}
.sc-btn--ghost:hover{background:var(--paper-2);color:var(--ink-900)}
.sc-btn--sm{height:38px;padding:0 16px;font-size:14px}
.sc-btn--block{width:100%}
.sc-linkarrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--violet-600);
  font-size:15px;font-weight:500;
}
.sc-linkarrow svg{transition:transform var(--t-fast)}
.sc-linkarrow:hover svg{transform:translateX(6px)}

/* ============ 徽章 / 标签 ============ */
.sc-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:var(--radius-pill);
  background:rgba(139,125,246,.16);color:#382C86;font-weight:500;
}
.sc-badge--cyan{background:rgba(31,191,176,.16);color:#0E6F66}
.sc-badge--ember{background:rgba(255,122,69,.16);color:#B2441B}
.sc-badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-500)}

/* ============ 头部导航 ============ */
.sc-header{
  position:sticky;top:0;z-index:120;background:var(--paper);
  transition:background var(--t-base),box-shadow var(--t-base);
}
.sc-header.is-compact{
  background:rgba(250,249,247,.96);
  box-shadow:0 2px 12px rgba(20,19,28,.06);
  border-bottom:1px solid var(--line);
}
.sc-header__brand{border-bottom:1px solid var(--line)}
.sc-brandrow{
  display:flex;align-items:center;gap:24px;
  min-height:var(--h-brand);transition:min-height var(--t-base);
}
.sc-header.is-compact .sc-brandrow{min-height:36px}
.sc-header.is-compact .sc-header__brand{border-bottom-color:transparent}
.sc-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.sc-logo__mark{width:30px;height:30px;display:inline-flex;flex:0 0 auto;transition:transform var(--t-fast)}
.sc-logo:hover .sc-logo__mark{transform:rotate(-8deg)}
.sc-logo__mark svg{width:100%;height:100%}
.sc-logo__name{
  font-family:var(--font-serif);font-weight:700;font-size:19px;letter-spacing:.01em;
  color:var(--ink-900);white-space:nowrap;
}
.sc-header.is-compact .sc-logo__name{font-size:17px}
.sc-brandrow__tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.sc-search{
  display:flex;align-items:center;gap:6px;
  width:220px;height:38px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.sc-search:focus-within{border-color:var(--violet-600);box-shadow:0 0 0 2px rgba(75,63,168,.14)}
.sc-search input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;height:100%;
}
.sc-search input::placeholder{color:#9A97A8}
.sc-search button{
  border:0;background:transparent;padding:4px;cursor:pointer;color:var(--ink-500);
  display:inline-flex;align-items:center;
}
.sc-search button:hover{color:var(--violet-600)}
.sc-burger{
  display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0;
}
.sc-burger span{display:block;width:16px;height:1.5px;background:var(--ink-700);position:relative}
.sc-burger span::before,.sc-burger span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink-700);
  transition:transform var(--t-fast);
}
.sc-burger span::before{top:-5px}
.sc-burger span::after{top:5px}
.sc-burger[aria-expanded="true"] span{background:transparent}
.sc-burger[aria-expanded="true"] span::before{transform:translateY(5px) rotate(45deg)}
.sc-burger[aria-expanded="true"] span::after{transform:translateY(-5px) rotate(-45deg)}

.sc-header__nav{border-bottom:1px solid var(--line)}
.sc-navrow{
  display:flex;align-items:center;gap:28px;
  min-height:var(--h-nav);transition:min-height var(--t-base);
}
.sc-header.is-compact .sc-navrow{min-height:26px}
.sc-nav{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.sc-nav a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--ink-700);
  border-radius:6px;white-space:nowrap;
}
.sc-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--violet-600);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t-base);
}
.sc-nav a:hover{color:var(--violet-600)}
.sc-nav a:hover::after{transform:scaleX(1)}
.sc-nav a.is-active{font-weight:700;color:var(--ink-900)}
.sc-nav a.is-active::after{transform:scaleX(1)}
.sc-trends{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0;
  scrollbar-width:none;
}
.sc-trends::-webkit-scrollbar{display:none}
.sc-trend{
  scroll-snap-align:start;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--paper);
  font-size:13px;color:var(--ink-500);white-space:nowrap;
  transition:border-color var(--t-fast),color var(--t-fast),background var(--t-fast);
}
.sc-trend i{
  font-family:var(--font-num);font-style:normal;font-size:11px;font-weight:700;color:var(--violet-600);
}
.sc-trend:hover{border-color:var(--violet-400);color:var(--violet-600);background:#fff}
.sc-trend--hot{border-color:rgba(255,122,69,.4);color:#B2441B;background:rgba(255,122,69,.07)}
.sc-trend--hot i{color:var(--ember-500)}

.sc-drawer{
  display:none;border-bottom:1px solid var(--line);background:var(--paper);
  max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);
}
.sc-drawer.is-open{max-height:520px}
.sc-drawer__inner{padding:16px 0 22px;display:grid;gap:18px}
.sc-drawer h4{
  font-size:12px;letter-spacing:.08em;color:var(--ink-500);font-weight:500;margin-bottom:10px;
}
.sc-drawer__nav{display:grid;gap:2px}
.sc-drawer__nav a{padding:10px 12px;border-radius:8px;font-size:15px;color:var(--ink-700)}
.sc-drawer__nav a:hover{background:var(--paper-2);color:var(--violet-600)}
.sc-drawer__nav a.is-active{background:rgba(75,63,168,.08);color:var(--violet-600);font-weight:700}
.sc-drawer__hot{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 通用板块 ============ */
.sc-section{padding:clamp(56px,7vw,104px) 0}
.sc-section--tight{padding:clamp(40px,5vw,64px) 0}
.sc-section--paper2{background:var(--paper-2)}
.sc-section--dark{background:var(--violet-900);color:#EDEBF7}
.sc-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sc-head__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--violet-600);
  font-weight:500;margin-bottom:12px;
}
.sc-head__eyebrow::before{content:"";width:18px;height:2px;background:var(--violet-600)}
.sc-h2{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(24px,3vw,34px);line-height:1.3;color:var(--ink-900);
}
.sc-section--dark .sc-h2{color:#fff}
.sc-sub{color:var(--ink-500);font-size:15px;max-width:62ch;margin-top:10px}
.sc-section--dark .sc-sub{color:#BEB9DC}

/* ============ 面包屑 ============ */
.sc-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500)}
.sc-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.sc-crumbs li{display:inline-flex;align-items:center;gap:8px}
.sc-crumbs li+li::before{content:"/";color:#B9B3A7}
.sc-crumbs a{color:var(--ink-500)}
.sc-crumbs a:hover{color:var(--violet-600)}
.sc-crumbs [aria-current="page"]{color:var(--ink-900);font-weight:500}

/* ============ 分类页 Hero ============ */
.sc-hero-cat{
  padding:clamp(36px,5vw,64px) 0 clamp(32px,4vw,56px);
  background:
    radial-gradient(circle at 88% 12%, rgba(139,125,246,.16), transparent 46%),
    linear-gradient(180deg,#F6F4F1 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.sc-hero-cat__grid{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);
  gap:clamp(24px,4vw,56px);align-items:end;margin-top:22px;
}
.sc-hero-cat h1{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(28px,3.8vw,44px);line-height:1.22;color:var(--ink-900);
  margin-bottom:16px;
}
.sc-hero-cat__lead{font-size:17px;color:var(--ink-500);max-width:60ch;line-height:1.9}
.sc-hero-cat__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.sc-hero-cat__side{
  border-left:1px solid var(--line);padding-left:24px;
}
.sc-hero-cat__side h2{
  font-size:13px;font-weight:500;color:var(--ink-500);letter-spacing:.06em;margin-bottom:14px;
}
.sc-tagcloud{display:flex;flex-wrap:wrap;gap:8px}
.sc-tagcloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:13px;color:var(--ink-700);background:#fff;
  transition:border-color var(--t-fast),color var(--t-fast),background var(--t-fast);
}
.sc-tagcloud a:hover{border-color:var(--violet-600);color:var(--violet-600)}
.sc-hero-cat__stat{
  margin-top:24px;display:flex;gap:22px;flex-wrap:wrap;
}
.sc-hero-cat__stat div{font-size:13px;color:var(--ink-500)}
.sc-hero-cat__stat strong{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink-900);
}

/* ============ 速查入口条 ============ */
.sc-quick{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;
}
.sc-quick__item{
  padding:24px;border-right:1px solid var(--line);display:grid;gap:8px;
  transition:background var(--t-fast);
}
.sc-quick__item:last-child{border-right:0}
.sc-quick__item:hover{background:var(--paper-2)}
.sc-quick__item span{
  font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--violet-400);
}
.sc-quick__item h3{font-size:17px;font-weight:700;color:var(--ink-900)}
.sc-quick__item p{font-size:14px;color:var(--ink-500);line-height:1.8}

/* ============ 步骤时间轴 ============ */
.sc-flow-wrap{
  display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);
  gap:clamp(24px,4vw,56px);align-items:start;
}
.sc-flow-aside{position:sticky;top:132px}
.sc-flow-aside figure{
  margin-top:24px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
}
.sc-flow-aside img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-base)}
.sc-flow-aside figure:hover img{transform:scale(1.03)}
.sc-flow-aside figcaption{font-size:13px;color:#8B8798;padding:10px 2px 0}
.sc-flow{position:relative;counter-reset:flow}
.sc-flow__item{
  position:relative;padding:0 0 34px 76px;
}
.sc-flow__item::before{
  content:"";position:absolute;left:25px;top:44px;bottom:0;width:1px;background:var(--line);
}
.sc-flow__item:last-child::before{display:none}
.sc-flow__item:last-child{padding-bottom:0}
.sc-flow__num{
  position:absolute;left:0;top:0;width:52px;
  font-family:var(--font-serif);font-size:30px;font-weight:700;line-height:1;
  color:var(--violet-600);
}
.sc-flow__num::after{
  content:"";position:absolute;left:0;bottom:-14px;width:52px;height:1px;background:var(--line);
}
.sc-flow__body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.sc-flow__body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D1E6}
.sc-flow__body h3{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--ink-900)}
.sc-flow__body p{font-size:15px;color:var(--ink-500);line-height:1.9}
.sc-flow__body .sc-flow__tips{
  margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;
}
.sc-flow__tips span{
  font-size:12px;color:var(--ink-500);border:1px dashed var(--line);
  border-radius:var(--radius-pill);padding:4px 10px;
}

/* ============ FAQ 分组 ============ */
.sc-faqgroups{display:grid;gap:52px}
.sc-faqgroup__title{
  display:flex;align-items:baseline;gap:12px;margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.sc-faqgroup__title h3{
  font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--ink-900);
}
.sc-faqgroup__title span{font-size:13px;color:var(--ink-500)}
.sc-faq{border-top:1px solid var(--line)}
.sc-faq:last-child{border-bottom:1px solid var(--line)}
.sc-faq details{overflow:hidden}
.sc-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  padding:20px 2px;font-size:17px;font-weight:500;color:var(--ink-900);
  transition:color var(--t-fast);
}
.sc-faq summary::-webkit-details-marker{display:none}
.sc-faq summary:hover{color:var(--violet-600)}
.sc-faq summary .sc-faq__icon{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform 240ms var(--ease);
}
.sc-faq summary .sc-faq__icon::before,
.sc-faq summary .sc-faq__icon::after{
  content:"";position:absolute;background:var(--violet-600);border-radius:2px;
}
.sc-faq summary .sc-faq__icon::before{left:0;top:10px;width:22px;height:1.6px}
.sc-faq summary .sc-faq__icon::after{left:10px;top:0;width:1.6px;height:22px;transition:opacity var(--t-fast)}
.sc-faq details[open] summary .sc-faq__icon{transform:rotate(180deg)}
.sc-faq details[open] summary .sc-faq__icon::after{opacity:0}
.sc-faq__a{
  padding:0 2px 22px;font-size:15px;color:var(--ink-500);line-height:1.95;max-width:72ch;
}
.sc-faq__a strong{color:var(--ink-700);font-weight:700}

/* ============ 客服渠道卡 ============ */
.sc-channels{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.sc-channel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;display:grid;gap:12px;align-content:start;
  transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.sc-channel:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D1E6}
.sc-channel__icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(75,63,168,.1);color:var(--violet-600);
}
.sc-channel__icon svg{width:22px;height:22px}
.sc-channel h3{font-size:19px;font-weight:700}
.sc-channel p{font-size:15px;color:var(--ink-500);line-height:1.85}
.sc-channel ul{display:grid;gap:6px;margin-top:2px}
.sc-channel li{
  font-size:13px;color:var(--ink-500);padding-left:14px;position:relative;
}
.sc-channel li::before{
  content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;
  background:var(--cyan-500);
}

/* ============ 相关分类卡 ============ */
.sc-rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.sc-relcard{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.sc-relcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D1E6}
.sc-relcard figure{position:relative;overflow:hidden;background:var(--paper-2)}
.sc-relcard img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-base)}
.sc-relcard:hover img{transform:scale(1.03)}
.sc-relcard__body{padding:20px;display:grid;gap:10px}
.sc-relcard__body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900);transition:color var(--t-fast)}
.sc-relcard:hover .sc-relcard__body h3{color:var(--violet-600)}
.sc-relcard__body p{font-size:14px;color:var(--ink-500);line-height:1.8}
.sc-relcard__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#8B8798}

/* ============ CTA 表单 ============ */
.sc-cta{
  background:var(--paper-2);border-top:1px solid var(--line);
}
.sc-cta__grid{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:clamp(28px,5vw,72px);align-items:start;
}
.sc-cta h2{
  font-family:var(--font-serif);font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;
  color:var(--ink-900);margin-bottom:14px;
}
.sc-cta__grid p{font-size:16px;color:var(--ink-500);max-width:46ch;line-height:1.9}
.sc-cta__list{margin-top:24px;display:grid;gap:10px}
.sc-cta__list li{
  font-size:14px;color:var(--ink-700);display:flex;gap:10px;align-items:flex-start;
}
.sc-cta__list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:rgba(31,191,176,.16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231FBFB0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12l6 6L20 6'/%3E%3C/svg%3E") center/11px no-repeat;
}
.sc-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(20px,3vw,32px);display:grid;gap:18px;
}
.sc-field{display:grid;gap:8px}
.sc-field label{font-size:14px;font-weight:500;color:var(--ink-700)}
.sc-field input,.sc-field select,.sc-field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:var(--paper);outline:none;
  transition:border-color var(--t-fast),box-shadow var(--t-fast),background var(--t-fast);
}
.sc-field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.8}
.sc-field input:focus,.sc-field select:focus,.sc-field textarea:focus{
  border-color:var(--violet-600);background:#fff;box-shadow:0 0 0 2px rgba(75,63,168,.14);
}
.sc-field__hint{font-size:13px;color:#8B8798}
.sc-field.has-error input,.sc-field.has-error textarea{border-color:var(--error)}
.sc-field.has-error .sc-field__hint{color:var(--error)}
.sc-form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sc-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-500);line-height:1.7}
.sc-check input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--violet-600)}
.sc-formmsg{
  display:none;font-size:14px;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(31,157,107,.08);color:#146B49;border-left:3px solid var(--success);
}
.sc-formmsg.is-show{display:block}

/* ============ 页脚 ============ */
.sc-footer{background:var(--violet-900);color:#CFCBE8;padding:clamp(48px,6vw,76px) 0 0;margin-top:0}
.sc-footer__grid{
  display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px);padding-bottom:44px;
}
.sc-footer .sc-logo__name{color:#fff}
.sc-footer__about p{font-size:14px;line-height:1.9;color:#ADA7D0;margin-top:16px;max-width:40ch}
.sc-footer h3{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;
}
.sc-footer__links{display:grid;gap:10px}
.sc-footer__links a{font-size:14px;color:#B7B2DA}
.sc-footer__links a:hover{color:#fff}
.sc-footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9C96C4;
}
.sc-footer__bottom a{color:#BEB9DC}
.sc-footer__bottom a:hover{color:#fff}

/* ============ 空态 / 状态 ============ */
.sc-empty{
  min-height:220px;display:grid;place-content:center;justify-items:center;gap:10px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;padding:32px;
}
.sc-empty__icon{width:36px;height:36px;color:var(--violet-400)}
.sc-empty p{font-size:15px;color:var(--ink-700);font-weight:500}
.sc-empty span{font-size:13px;color:var(--ink-500)}

/* ============ 入场动效 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity var(--t-base),transform var(--t-base)}
[data-reveal].is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .sc-trends{overflow-x:auto}
}
@media (max-width:1023px){
  .sc-hero-cat__grid{grid-template-columns:1fr;align-items:start}
  .sc-hero-cat__side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:24px}
  .sc-flow-wrap{grid-template-columns:1fr}
  .sc-flow-aside{position:static}
  .sc-quick{grid-template-columns:1fr}
  .sc-quick__item{border-right:0;border-bottom:1px solid var(--line)}
  .sc-quick__item:last-child{border-bottom:0}
  .sc-channels{grid-template-columns:1fr 1fr}
  .sc-rel{grid-template-columns:1fr 1fr}
  .sc-cta__grid{grid-template-columns:1fr}
  .sc-footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .sc-search{display:none}
  .sc-burger{display:inline-flex}
  .sc-header__nav{display:none}
  .sc-drawer{display:block}
  .sc-brandrow{min-height:52px}
  .sc-logo__name{font-size:17px}
  .sc-quick__item{padding:20px}
  .sc-flow__item{padding-left:60px}
  .sc-flow__num{font-size:26px;width:44px}
  .sc-flow__item::before{left:21px;top:38px}
  .sc-flow__num::after{width:44px;bottom:-12px}
  .sc-channels{grid-template-columns:1fr}
  .sc-rel{grid-template-columns:1fr}
  .sc-footer__grid{grid-template-columns:1fr;gap:32px}
  .sc-form__row{grid-template-columns:1fr}
  .sc-hero-cat h1{font-size:clamp(26px,7vw,34px)}
  .sc-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:479px){
  .sc-btn{width:100%}
  .sc-brandrow__tools .sc-btn--sm{width:auto;padding:0 12px;font-size:13px}
  .sc-hero-cat__stat{gap:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  [data-reveal]{opacity:1!important;transform:none!important}
}

/* roulang page: category2 */
:root{
  --ink-900:#14131C;
  --ink-700:#2B2A38;
  --ink-500:#55536A;
  --paper:#FAF9F7;
  --paper-2:#F1EFEB;
  --line:#E3E0D9;
  --violet-900:#241F52;
  --violet-600:#4B3FA8;
  --violet-400:#8B7DF6;
  --cyan-500:#1FBFB0;
  --ember-500:#FF7A45;
  --success:#1F9D6B;
  --warning:#E0A020;
  --error:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-hover:0 12px 28px rgba(20,19,28,.08);
  --shadow-soft:0 6px 18px rgba(20,19,28,.06);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.22;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(75,63,168,.16);}
:focus-visible{outline:2px solid var(--violet-600);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#D7D3CB;border-radius:999px;border:2px solid var(--paper);}
::-webkit-scrollbar-track{background:transparent;}

.sc-visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.sc-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,40px);
}
.sc-skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--violet-600);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.sc-skip:focus{left:0;}

/* ============ 头部导航 ============ */
.sc-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.sc-header.is-condensed{
  background:rgba(250,249,247,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(20,19,28,.06);
}
.sc-header__brand{transition:height .24s var(--ease);}
.sc-brandrow{
  display:flex;align-items:center;gap:18px;
  height:52px;
  transition:height .24s var(--ease);
}
.sc-header.is-condensed .sc-brandrow{height:32px;}
.sc-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.sc-logo__mark{
  width:30px;height:30px;display:grid;place-items:center;
  background:var(--violet-900);border-radius:9px;
  transition:width .24s var(--ease),height .24s var(--ease);
}
.sc-logo__mark svg{width:20px;height:20px;}
.sc-header.is-condensed .sc-logo__mark{width:24px;height:24px;border-radius:7px;}
.sc-header.is-condensed .sc-logo__mark svg{width:16px;height:16px;}
.sc-logo__name{
  font-family:var(--serif);font-weight:700;font-size:19px;line-height:1.2;
  transition:font-size .24s var(--ease);white-space:nowrap;
}
.sc-header.is-condensed .sc-logo__name{font-size:16px;}
.sc-search{display:flex;align-items:center;margin-left:auto;}
.sc-search input{
  width:220px;height:36px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),height .24s var(--ease),width .24s var(--ease);
}
.sc-search input::placeholder{color:#9C99A8;}
.sc-search input:focus{
  outline:none;border-color:var(--violet-600);
  box-shadow:0 0 0 3px rgba(75,63,168,.14);
}
.sc-header.is-condensed .sc-search input{height:30px;width:190px;font-size:13px;}
.sc-header__cta{height:38px;padding:0 18px;font-size:14px;}
.sc-header.is-condensed .sc-header__cta{height:30px;padding:0 14px;font-size:13px;}
.sc-burger{
  display:none;width:38px;height:34px;flex-direction:column;justify-content:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 9px;background:#fff;
}
.sc-burger span{display:block;height:2px;background:var(--ink-700);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.sc-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.sc-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.sc-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.sc-header__nav{
  background:var(--paper);
  border-top:1px solid var(--line);
  transition:background .24s var(--ease);
}
.sc-navrow{display:flex;align-items:center;gap:24px;min-height:40px;transition:min-height .24s var(--ease);}
.sc-header.is-condensed .sc-navrow{min-height:28px;}
.sc-nav{display:flex;align-items:center;gap:26px;}
.sc-nav a{
  position:relative;display:inline-block;padding:9px 0;
  font-size:15px;font-weight:500;color:var(--ink-700);
  transition:color .16s var(--ease),font-size .24s var(--ease);
  white-space:nowrap;
}
.sc-nav a::after{
  content:"";position:absolute;left:0;bottom:3px;height:2px;width:0;
  background:var(--violet-600);border-radius:2px;
  transition:width .2s var(--ease);
}
.sc-nav a:hover{color:var(--violet-600);}
.sc-nav a:hover::after{width:100%;}
.sc-nav a.is-active{color:var(--ink-900);font-weight:700;}
.sc-nav a.is-active::after{width:100%;}
.sc-header.is-condensed .sc-nav a{padding:5px 0;font-size:13.5px;}
.sc-trends{
  display:flex;align-items:center;gap:10px;margin-left:auto;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 0;-ms-overflow-style:none;scrollbar-width:none;
}
.sc-trends::-webkit-scrollbar{display:none;}
.sc-trend{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;scroll-snap-align:start;
  border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--ink-500);white-space:nowrap;
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.sc-trend i{font-style:normal;font-family:var(--serif);font-size:12px;color:var(--violet-400);}
.sc-trend:hover{color:var(--violet-600);border-color:var(--violet-400);background:#fff;}
.sc-trend--hot i{color:var(--ember-500);}
.sc-trend--hot::after{
  content:"热";font-size:11px;line-height:16px;padding:0 6px;border-radius:999px;
  background:var(--ember-500);color:#fff;
}
.sc-header.is-condensed .sc-trends{padding:2px 0;}
.sc-header.is-condensed .sc-trend{font-size:12px;padding:3px 10px;}

/* 抽屉 */
.sc-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(300px,86vw);
  background:var(--paper);z-index:120;
  border-left:1px solid var(--line);
  box-shadow:-12px 0 32px rgba(20,19,28,.12);
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  padding:22px 22px 40px;
  overflow-y:auto;
}
.sc-drawer.is-open{transform:translateX(0);}
.sc-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.sc-drawer__title{font-family:var(--serif);font-size:16px;font-weight:700;}
.sc-drawer__close{
  width:34px;height:34px;border:1px solid var(--line);border-radius:var(--radius-btn);
  display:grid;place-items:center;font-size:18px;color:var(--ink-500);background:#fff;
}
.sc-drawer__group{margin-bottom:26px;}
.sc-drawer__group h3{font-size:13px;color:var(--ink-500);font-weight:500;letter-spacing:.06em;margin-bottom:12px;}
.sc-drawer__links li a{
  display:block;padding:11px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-700);
}
.sc-drawer__links li a:hover{color:var(--violet-600);}
.sc-drawer .sc-btn{width:100%;margin-top:6px;}
.sc-backdrop{
  position:fixed;inset:0;background:rgba(20,19,28,.4);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.sc-backdrop.is-open{opacity:1;visibility:visible;}

/* ============ 通用元素 ============ */
.sc-section{padding:clamp(56px,7vw,104px) 0;}
.sc-section--alt{background:var(--paper-2);}
.sc-section--tight{padding:clamp(40px,5vw,64px) 0;}
.sc-eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--violet-600);
  background:rgba(139,125,246,.14);
  border-radius:999px;padding:5px 12px;
  margin-bottom:16px;
}
.sc-eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan-500);}
.sc-h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.sc-h3{font-size:21px;margin-bottom:10px;}
.sc-lead{font-size:18px;line-height:1.8;color:var(--ink-700);}
.sc-text{font-size:16px;line-height:1.9;color:var(--ink-500);}
.sc-headrow{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,48px);}
.sc-headrow p{max-width:640px;}
.sc-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--violet-600);
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.sc-link-arrow::after{content:"→";transition:transform .18s var(--ease);}
.sc-link-arrow:hover{gap:10px;}
.sc-link-arrow:hover::after{transform:translateX(2px);}
.sc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.sc-btn--primary{background:var(--violet-600);color:#fff;}
.sc-btn--primary:hover{background:#3F3590;transform:translateY(-1px);box-shadow:0 10px 22px rgba(75,63,168,.22);}
.sc-btn--primary:active{transform:translateY(1px);box-shadow:none;}
.sc-btn--ghost{border-color:var(--violet-600);color:var(--violet-600);background:transparent;}
.sc-btn--ghost:hover{background:rgba(75,63,168,.08);}
.sc-btn--light{background:#fff;color:var(--violet-900);border-color:#fff;}
.sc-btn--light:hover{background:#F1EFEB;border-color:#F1EFEB;}
.sc-btn--outline-light{border-color:rgba(255,255,255,.5);color:#fff;}
.sc-btn--outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.sc-btn[disabled],.sc-btn.is-disabled{opacity:.4;pointer-events:none;}
.sc-tag{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;
  background:rgba(75,63,168,.1);color:var(--violet-600);font-weight:600;
}
.sc-tag--cyan{background:rgba(31,191,176,.14);color:#12786E;}
.sc-tag--ember{background:rgba(255,122,69,.14);color:#C45218;}

/* ============ 面包屑 ============ */
.sc-crumbs{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:rgba(255,255,255,.7);}
.sc-crumbs li{display:flex;align-items:center;}
.sc-crumbs li+li::before{content:"/";margin:0 9px;color:rgba(255,255,255,.4);}
.sc-crumbs a{color:rgba(255,255,255,.75);}
.sc-crumbs a:hover{color:#fff;}
.sc-crumbs .is-current{color:#fff;font-weight:600;}

/* ============ 分类 Hero ============ */
.sc-hero{padding-top:clamp(24px,3vw,40px);}
.sc-hero__card{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  min-height:clamp(380px,46vw,460px);
  display:flex;align-items:flex-end;
  padding:clamp(26px,4vw,52px);
  color:#fff;
  border:1px solid var(--line);
}
.sc-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.sc-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(158deg,rgba(36,31,82,.93) 0%,rgba(20,19,28,.86) 100%);
}
.sc-hero__mask::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
.sc-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(24px,4vw,56px);align-items:flex-end;width:100%;}
.sc-hero__title{
  font-size:clamp(28px,4vw,46px);
  line-height:1.16;
  margin:16px 0 16px;
}
.sc-hero__sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:620px;}
.sc-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:26px;}
.sc-hero__side{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-card);
  padding:20px;
}
.sc-hero__side h2{font-size:15px;color:#fff;margin-bottom:14px;font-family:var(--sans);font-weight:600;}
.sc-hero__tags{display:flex;flex-wrap:wrap;gap:8px;}
.sc-hero__tags a{
  display:inline-flex;padding:6px 12px;border-radius:999px;
  font-size:13px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.sc-hero__tags a:hover{background:#fff;color:var(--violet-900);border-color:#fff;}

/* ============ 编号要点横带 ============ */
.sc-points{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sc-point{padding:26px 22px;border-right:1px solid var(--line);}
.sc-point:last-child{border-right:0;}
.sc-point__no{
  display:block;font-family:var(--serif);font-size:34px;line-height:1;
  color:rgba(75,63,168,.26);margin-bottom:12px;
}
.sc-point h3{font-size:18px;margin-bottom:8px;}
.sc-point p{font-size:14px;line-height:1.8;color:var(--ink-500);}

/* ============ 图文交替 ============ */
.sc-splits{display:flex;flex-direction:column;gap:clamp(36px,5vw,72px);}
.sc-split{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(24px,4vw,56px);align-items:center;
}
.sc-split.is-reverse .sc-split__media{order:2;}
.sc-media{
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
  background:var(--paper-2);
}
.sc-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .38s var(--ease);}
.sc-media:hover img{transform:scale(1.03);}
.sc-split__body{padding:6px 0;}
.sc-split__num{
  font-family:var(--serif);font-size:14px;letter-spacing:.14em;
  color:var(--violet-600);margin-bottom:10px;display:block;
}
.sc-split__list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.sc-split__list li{
  position:relative;padding-left:18px;font-size:15px;color:var(--ink-500);line-height:1.8;
}
.sc-split__list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--violet-400);
}

/* ============ 清单 + 侧卡 ============ */
.sc-checkwrap{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(24px,4vw,48px);align-items:start;}
.sc-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(22px,3vw,32px);
}
.sc-checklist li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);}
.sc-checklist li:last-child{border-bottom:0;padding-bottom:0;}
.sc-checklist li:first-child{padding-top:0;}
.sc-check{
  flex:0 0 22px;width:22px;height:22px;margin-top:5px;
  border-radius:50%;background:rgba(31,191,176,.16);
  color:#12786E;font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.sc-checklist h4{font-size:16.5px;font-family:var(--sans);font-weight:600;margin-bottom:4px;}
.sc-checklist p{font-size:14px;color:var(--ink-500);line-height:1.8;}
.sc-aside{
  background:var(--violet-900);color:#fff;border-radius:var(--radius-card);
  padding:clamp(22px,3vw,30px);
}
.sc-aside h3{font-size:19px;margin-bottom:12px;}
.sc-aside p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.78);}
.sc-aside .sc-btn{margin-top:20px;}

/* ============ 表格 ============ */
.sc-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;}
.sc-table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px;}
.sc-table th{
  background:var(--paper-2);text-align:left;font-weight:600;font-size:14px;
  padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-700);white-space:nowrap;
}
.sc-table td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  color:var(--ink-500);line-height:1.8;vertical-align:top;
}
.sc-table tr:last-child td{border-bottom:0;}
.sc-table td:first-child{color:var(--ink-900);font-weight:600;}

/* ============ FAQ ============ */
.sc-faq{border-top:1px solid var(--line);margin-top:8px;}
.sc-faq__item{border-bottom:1px solid var(--line);}
.sc-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .16s var(--ease);
}
.sc-faq__q:hover{color:var(--violet-600);}
.sc-faq__icon{
  flex:0 0 auto;font-family:var(--serif);font-size:20px;line-height:1;
  color:var(--violet-600);transition:transform .24s var(--ease);
}
.sc-faq__item.is-open .sc-faq__icon{transform:rotate(180deg);}
.sc-faq__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.sc-faq__a p{
  padding:0 0 22px;max-width:840px;
  font-size:15px;line-height:1.95;color:var(--ink-500);
}

/* ============ 相关分类卡 ============ */
.sc-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.sc-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.sc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D2C9;}
.sc-card__media{overflow:hidden;background:var(--paper-2);}
.sc-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .38s var(--ease);}
.sc-card:hover .sc-card__media img{transform:scale(1.03);}
.sc-card__body{padding:20px 22px 24px;}
.sc-card__body h3{font-size:18px;margin:12px 0 8px;transition:color .18s var(--ease);}
.sc-card:hover .sc-card__body h3{color:var(--violet-600);}
.sc-card__body p{font-size:14.5px;line-height:1.8;color:var(--ink-500);}
.sc-card__meta{margin-top:16px;font-size:13px;color:var(--ink-500);display:flex;align-items:center;gap:8px;}

/* ============ CTA 表单 ============ */
.sc-cta{
  background:var(--paper-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sc-cta__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start;}
.sc-cta__list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.sc-cta__list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-500);line-height:1.8;}
.sc-cta__list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--cyan-500);
}
.sc-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(22px,3vw,32px);
}
.sc-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.sc-field label{font-size:13px;color:var(--ink-500);font-weight:600;}
.sc-field input,.sc-field select,.sc-field textarea{
  width:100%;height:44px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sc-field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.8;}
.sc-field input:focus,.sc-field select:focus,.sc-field textarea:focus{
  outline:none;border-color:var(--violet-600);
  box-shadow:0 0 0 3px rgba(75,63,168,.14);
}
.sc-field.has-error input,.sc-field.has-error textarea{border-color:var(--error);}
.sc-field__hint{font-size:13px;color:var(--ink-500);}
.sc-field.has-error .sc-field__hint{color:var(--error);}
.sc-consent{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:13.5px;color:var(--ink-500);line-height:1.7;}
.sc-consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--violet-600);}
.sc-form .sc-btn{width:100%;}

/* ============ 页脚 ============ */
.sc-footer{background:var(--violet-900);color:rgba(255,255,255,.72);padding:clamp(48px,6vw,80px) 0 0;}
.sc-footer__grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,48px);}
.sc-footer .sc-logo__name{color:#fff;}
.sc-footer__about p{font-size:14.5px;line-height:1.9;margin-top:16px;max-width:380px;color:rgba(255,255,255,.66);}
.sc-footer h3{
  font-family:var(--sans);font-size:14px;font-weight:600;color:#fff;
  margin-bottom:16px;letter-spacing:.04em;
}
.sc-footer__links li{margin-bottom:11px;}
.sc-footer__links a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .16s var(--ease);}
.sc-footer__links a:hover{color:#fff;}
.sc-footer__bottom{
  margin-top:clamp(36px,5vw,56px);
  padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.sc-footer__bottom a{color:rgba(255,255,255,.7);}
.sc-footer__bottom a:hover{color:#fff;}

/* ============ 入场动效 ============ */
.sc-reveal{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease),transform .22s var(--ease);}
.sc-reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .sc-navrow{overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
  .sc-navrow::-webkit-scrollbar{display:none;}
  .sc-trends{flex:0 0 auto;}
}
@media (max-width:1023px){
  .sc-hero__inner{grid-template-columns:minmax(0,1fr);align-items:flex-start;}
  .sc-hero__side{max-width:520px;}
  .sc-points{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sc-point:nth-child(2){border-right:0;}
  .sc-point:nth-child(1),.sc-point:nth-child(2){border-bottom:1px solid var(--line);}
  .sc-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sc-cta__grid{grid-template-columns:minmax(0,1fr);}
  .sc-checkwrap{grid-template-columns:minmax(0,1fr);}
  .sc-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .sc-search{display:none;}
  .sc-header__cta{display:none;}
  .sc-burger{display:flex;}
  .sc-header__nav{display:none;}
  .sc-split{grid-template-columns:minmax(0,1fr);}
  .sc-split.is-reverse .sc-split__media{order:0;}
  .sc-points{grid-template-columns:minmax(0,1fr);}
  .sc-point{border-right:0;border-bottom:1px solid var(--line);}
  .sc-point:last-child{border-bottom:0;}
  .sc-cards{grid-template-columns:minmax(0,1fr);}
  .sc-hero__title{font-size:clamp(26px,7vw,34px);}
  .sc-h2{font-size:24px;}
  .sc-section{padding:56px 0;}
  .sc-faq__q{font-size:16px;}
  .sc-footer__grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:520px){
  .sc-btn{width:100%;}
  .sc-hero__actions{flex-direction:column;align-items:stretch;gap:12px;}
  .sc-hero__actions .sc-link-arrow{justify-content:center;}
  .sc-form .sc-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .sc-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}