/* roulang page: index */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --danger:#D93A3A;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

.section{padding:64px 0;scroll-margin-top:130px}
@media(min-width:1024px){.section{padding:96px 0}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,242,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-top{display:flex;align-items:center;gap:14px;height:66px}
@media(min-width:768px){.nav-top{height:72px;gap:20px}}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--grad);box-shadow:var(--shadow-1);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-mark svg{width:16px;height:16px}
.logo-text{font-size:18px;line-height:1.2;letter-spacing:-.01em;white-space:nowrap}
.logo-text .t-strong{font-weight:800}
.logo-text .t-light{font-weight:500;color:var(--ink-2)}

.search-box{display:none;position:relative;flex:1 1 auto;max-width:420px}
@media(min-width:1024px){.search-box{display:block;transition:max-width 260ms var(--ease)}}
.search-box:focus-within{max-width:480px}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none}
.search-input{width:100%;height:44px;border-radius:999px;border:1px solid transparent;background:var(--bg-2);padding:0 18px 0 44px;font-size:14px;transition:border-color 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease)}
.search-input::placeholder{color:var(--ink-3)}
.search-input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,51,.16)}

.nav-links{display:none;align-items:center;gap:20px;margin-left:auto;flex:0 0 auto}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{font-size:14px;color:var(--ink-2);padding:6px 2px;position:relative;transition:color 220ms var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--brand);transition:width 220ms var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;font-size:14px;font-weight:600;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:rgba(255,92,51,.4);color:var(--brand)}
.btn-white{background:#fff;color:var(--ink);box-shadow:var(--shadow-1)}
.btn-white:hover{transform:translateY(-1px);color:var(--brand-hover);box-shadow:var(--shadow-2)}
.btn-outline-white{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-outline-white:hover{background:rgba(255,255,255,.18);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;position:relative;padding:4px 0}
.btn-text svg{width:16px;height:16px;transition:transform 220ms var(--ease)}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);transition:width 220ms var(--ease)}
.btn-text:hover::after{width:100%}
.btn-text:hover svg{transform:translateX(4px)}

.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink)}
@media(min-width:1024px){.burger{display:none}}
.burger:hover{border-color:rgba(255,92,51,.4);color:var(--brand)}

/* 频道 Tabs */
.nav-channels{position:relative;border-top:1px solid transparent}
.channel-wrap{position:relative}
.channel-wrap::after{content:"";position:absolute;top:0;right:0;width:44px;height:100%;background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.96));pointer-events:none}
.channel-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:6px 0 10px;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none;width:0;height:0}
.channel-pill{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);transition:background 220ms var(--ease),color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease)}
.channel-pill:hover{background:var(--bg-2);color:var(--ink)}
.channel-pill.is-active{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.channel-pill:active{transform:scale(.97)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,31,.45);opacity:0;visibility:hidden;transition:opacity 260ms var(--ease),visibility 260ms var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;border-top-left-radius:28px;border-bottom-left-radius:28px;z-index:80;transform:translateX(104%);transition:transform 300ms var(--ease);display:flex;flex-direction:column;padding:22px 20px 24px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2)}
.drawer-close:hover{border-color:rgba(255,92,51,.4);color:var(--brand)}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);font-weight:600;margin:16px 0 8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:14px;font-size:15px;color:var(--ink-2);transition:background 220ms var(--ease),color 220ms var(--ease)}
.drawer-link:hover{background:var(--bg-2);color:var(--ink)}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-hover);font-weight:600}
.drawer-cta{margin-top:20px}

/* ============ Hero ============ */
.hero{padding:28px 0 0}
.hero-panel{position:relative;overflow:hidden;border-radius:32px;background:var(--ink);padding:40px 22px 46px}
@media(min-width:768px){.hero-panel{padding:56px 44px 60px}}
.hero-panel::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.92}
.hero-panel::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);background-size:22px 22px;opacity:.6}
.hero-grid{position:relative;z-index:2;display:grid;gap:38px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.08fr .92fr;align-items:center;gap:48px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:12px;letter-spacing:.06em}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:#fff;flex:0 0 auto}
.hero-title{color:#fff;font-size:clamp(32px,5vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin-top:18px}
.hero-sub{color:rgba(255,255,255,.88);font-size:16px;line-height:1.85;margin-top:18px;max-width:42ch}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-1)}
.stat-dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto}
.stat-num{font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--ink)}
.stat-label{font-size:12px;color:var(--ink-3);line-height:1.4}

.hero-visual{position:relative}
.hero-photo{border-radius:26px;box-shadow:var(--shadow-2);position:relative;overflow:hidden;background:rgba(255,255,255,.14)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.float-card{position:relative;margin:-16px 0 0 16px;background:#fff;border-radius:18px;box-shadow:var(--shadow-2);padding:14px 18px;display:flex;align-items:flex-start;gap:10px;max-width:300px}
.float-card .dot-ok{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:0 0 auto;margin-top:8px;box-shadow:0 0 0 4px rgba(18,165,148,.16)}
.float-card strong{display:block;font-size:14px;font-weight:700;line-height:1.5}
.float-card span.fl-sub{display:block;font-size:12px;color:var(--ink-3);line-height:1.6;border-top:1px solid var(--line);margin-top:6px;padding-top:6px}

/* ============ 通用版块头 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:750;letter-spacing:-.02em}
.section-desc{font-size:12px;color:var(--ink-3);letter-spacing:.04em;margin-top:8px}
.section-lead{color:var(--ink-2);font-size:15px;margin-top:12px;max-width:62ch}
.grad-rule{display:block;width:56px;height:3px;border-radius:999px;background:var(--grad);margin-bottom:16px}

/* ============ 频道快览条 ============ */
.quick-row{display:flex;gap:16px;overflow-x:auto;padding:4px 0 14px;scroll-snap-type:x proximity;scrollbar-width:none}
.quick-row::-webkit-scrollbar{display:none;width:0;height:0}
.quick-card{flex:0 0 236px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 20px 18px;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);display:flex;flex-direction:column;gap:8px}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.quick-icon{width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand-hover);display:flex;align-items:center;justify-content:center}
.quick-icon svg{width:20px;height:20px}
.quick-title{font-size:17px;font-weight:700;display:flex;align-items:center;gap:6px}
.quick-title svg{width:15px;height:15px;color:var(--brand);transition:transform 220ms var(--ease)}
.quick-card:hover .quick-title svg{transform:translateX(4px)}
.quick-desc{font-size:13px;color:var(--ink-2);line-height:1.75}

/* ============ 图文错位 ============ */
.story-grid{display:grid;gap:36px;align-items:center}
@media(min-width:1024px){.story-grid{grid-template-columns:1fr 1fr;gap:56px}}
.story-grid.reverse .story-media{order:-1}
@media(min-width:1024px){.story-grid.reverse .story-text{order:2}}
.story-text h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px}
.story-text p{color:var(--ink-2);font-size:16px;max-width:60ch;margin-bottom:12px}
.story-list{margin-top:22px;display:grid;gap:14px}
.story-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.story-item::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto;margin-top:10px}
.story-item b{color:var(--ink);font-weight:700}
.story-media .ratio{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line)}
.story-media .ratio img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.story-media:hover .ratio img{transform:scale(1.03)}

/* ============ 图片比例容器 ============ */
.ratio{position:relative;overflow:hidden;background:var(--bg-2);border-radius:var(--r-sm)}
.ratio img{width:100%;height:100%;object-fit:cover;display:block}
.r-16-9{aspect-ratio:16/9}
.r-16-11{aspect-ratio:16/11}
.r-4-3{aspect-ratio:4/3}
.r-1-1{aspect-ratio:1/1}

/* ============ 精选内容 ============ */
.featured-grid{display:grid;gap:20px}
@media(min-width:1024px){.featured-grid{grid-template-columns:repeat(4,1fr);grid-template-rows:auto auto}}
.feature-main{position:relative;overflow:hidden;border-radius:var(--r-card);min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff;box-shadow:var(--shadow-1);border:1px solid var(--line);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease)}
@media(min-width:1024px){.feature-main{grid-column:span 2;grid-row:span 2;min-height:380px}}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 32%,rgba(20,22,31,.82))}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-main:hover img{transform:scale(1.04)}
.feature-main .pill{position:absolute;top:18px;left:18px;z-index:2}
.feature-main .f-body{position:relative;z-index:2}
.feature-main h3{font-size:22px;font-weight:750;line-height:1.4;margin-top:6px}
.feature-main .f-meta{margin-top:10px;font-size:13px;color:rgba(255,255,255,.76)}
.feature-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.feature-side:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.feature-side .ratio{border-radius:0}
.feature-side .s-body{padding:16px 18px 18px}
.feature-side h3{font-size:16px;font-weight:700;line-height:1.5}
.feature-side p{font-size:13px;color:var(--ink-2);margin-top:6px}
@media(min-width:1024px){
  .feature-side.s-1{grid-column:span 1}
  .feature-side.s-2{grid-column:span 1}
  .feature-row{grid-column:span 4}
}
.feature-row{display:grid;gap:14px}
@media(min-width:1024px){.feature-row{grid-template-columns:repeat(3,1fr)}}
.row-item{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease)}
.row-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.row-item .ratio{flex:0 0 110px;width:110px}
.row-item h4{font-size:15px;font-weight:700;line-height:1.5}
.row-item p{font-size:12.5px;color:var(--ink-3);margin-top:4px}

/* 分类 pill */
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.05em;line-height:1}
.pill-brand{background:var(--brand-soft);color:#B93A16}
.pill-accent{background:var(--accent-soft);color:#5A21D6}

/* ============ 最新信息 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.news-grid{display:grid;gap:22px}
@media(min-width:768px){.news-grid{grid-template-columns:1fr}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr);gap:26px}}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.news-card .cover-wrap{overflow:hidden}
.news-card .cover-wrap img{transition:transform 380ms var(--ease)}
.news-card:hover .cover-wrap img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;margin-top:2px}
.news-meta .m-left{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-meta svg{width:16px;height:16px;color:var(--brand)}
.empty-box{border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.empty-box svg{width:34px;height:34px;color:var(--brand)}
.empty-box p{color:var(--ink-2);font-size:15px}
.empty-box .btn{height:42px}

/* ============ 数据横带 ============ */
.trust-band{display:grid;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:26px 22px}
@media(min-width:768px){.trust-band{grid-template-columns:repeat(4,1fr);padding:30px 28px}}
.trust-item{padding:0 4px}
@media(min-width:768px){.trust-item+.trust-item{border-left:1px solid var(--line);padding-left:24px}}
.trust-num{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.trust-label{font-size:13px;color:var(--ink-3);margin-top:4px}
.partner-row{display:grid;gap:12px;grid-template-columns:repeat(2,1fr);margin-top:24px}
@media(min-width:768px){.partner-row{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.partner-row{grid-template-columns:repeat(6,1fr)}}
.partner-logo{height:64px;border-radius:16px;background:var(--bg-2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink-3);letter-spacing:.04em;filter:grayscale(1);opacity:.82;transition:filter 220ms var(--ease),opacity 220ms var(--ease),transform 220ms var(--ease),border-color 220ms var(--ease)}
.partner-logo:hover{filter:grayscale(0);opacity:1;transform:translateY(-3px);border-color:rgba(255,92,51,.3);color:var(--brand-hover)}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-1);padding:0 22px;transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.faq-item+.faq-item{margin-top:14px}
.faq-item:hover{border-color:rgba(255,92,51,.28)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:17px;font-weight:700;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{width:26px;height:26px;border-radius:50%;background:var(--bg-2);display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform 220ms var(--ease),background 220ms var(--ease)}
.faq-ico svg{width:14px;height:14px;color:var(--ink-2)}
.faq-item[open] .faq-ico{transform:rotate(180deg);background:var(--brand-soft)}
.faq-item[open] .faq-ico svg{color:var(--brand-hover)}
.faq-a{padding:0 0 22px;color:var(--ink-2);font-size:15.5px;line-height:1.9;border-top:1px solid var(--line);padding-top:16px}

/* ============ CTA ============ */
.cta-card{position:relative;overflow:hidden;border-radius:32px;background:var(--grad);padding:36px 22px;display:grid;gap:28px}
@media(min-width:768px){.cta-card{padding:48px 44px}}
@media(min-width:1024px){.cta-card{grid-template-columns:1fr 1fr;align-items:center;gap:48px}}
.cta-card::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);background-size:22px 22px;opacity:.5}
.cta-copy,.cta-form-wrap{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:750}
.cta-copy p{color:rgba(255,255,255,.88);font-size:15px;margin-top:14px;max-width:48ch}
.cta-form{display:flex;flex-direction:column;gap:12px}
@media(min-width:640px){.cta-form{flex-direction:row;align-items:center}}
.cta-field{flex:1 1 auto}
.cta-field label{display:block;font-size:13px;color:rgba(255,255,255,.86);margin-bottom:8px}
.cta-input{width:100%;height:48px;border-radius:999px;border:1px solid transparent;background:#fff;padding:0 20px;font-size:14px;color:var(--ink);transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.cta-input::placeholder{color:var(--ink-3)}
.cta-input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.4)}
.cta-input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(217,58,58,.24)}
.cta-form .btn{height:48px;padding:0 26px}
.form-msg{font-size:12px;color:rgba(255,255,255,.9);margin-top:10px;min-height:18px}
.form-msg.is-error{color:#FFE2E2}
.form-success{display:flex;align-items:center;gap:12px;background:#fff;border-radius:999px;padding:12px 22px;color:var(--ink);font-size:14px;font-weight:600;box-shadow:var(--shadow-1)}
.form-success svg{width:20px;height:20px;color:var(--ok);flex:0 0 auto}
.cta-privacy{font-size:12px;color:rgba(255,255,255,.78);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;margin-top:64px;padding:56px 0 0}
@media(min-width:1024px){.site-footer{margin-top:96px;padding:72px 0 0}}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.68)}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;margin-top:16px;max-width:32ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease)}
.footer-social a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4);transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.56);margin-bottom:16px}
.footer-list li+li{margin-top:11px}
.footer-link{font-size:14px;color:var(--ink-3);position:relative;transition:color 220ms var(--ease)}
.footer-link::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--brand);transition:width 220ms var(--ease)}
.footer-link:hover{color:#fff}
.footer-link:hover::after{width:100%}
.footer-contact{font-size:14px;color:var(--ink-3);line-height:2}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-acc{display:none}
@media(max-width:767px){
  .footer-grid{display:none}
  .footer-acc{display:block}
  .footer-acc details{border-bottom:1px solid rgba(255,255,255,.08);padding:14px 0}
  .footer-acc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;color:#fff;cursor:pointer;min-height:40px}
  .footer-acc summary::-webkit-details-marker{display:none}
  .footer-acc .acc-body{padding-top:10px}
  .footer-acc .acc-body a{display:block;padding:8px 0;color:var(--ink-3);font-size:14px}
  .footer-acc .acc-body a:hover{color:#fff}
}

/* roulang page: article */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --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(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}
::selection{background:rgba(255,92,51,.22);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
[id]{scroll-margin-top:130px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:none;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:rgba(255,92,51,.4);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14px;font-weight:700;position:relative;background:none;border:none;cursor:pointer;
}
.btn-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand);
  transition:width 220ms var(--ease);
}
.btn-link:hover::after{width:100%;}
.btn-link svg{transition:transform 220ms var(--ease);}
.btn-link:hover svg{transform:translateX(4px);}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:4px 10px;font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1.6;
}
.pill-brand{background:var(--brand-soft);color:#B93A16;}
.pill-accent{background:var(--accent-soft);color:#5A21D6;}
.badge-num{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:12px;color:var(--ink-3);
}
.badge-num .dot-brand{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none;}
.badge-num b{color:var(--ink);font-size:20px;font-weight:800;line-height:1;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,247,242,.84);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.nav-top{border-bottom:1px solid var(--line);}
.nav-top-inner{display:flex;align-items:center;gap:16px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);
}
.logo-mark svg{width:16px;height:16px;}
.logo-text{font-size:18px;letter-spacing:-.01em;line-height:1;}
.logo-text .t-strong{font-weight:800;}
.logo-text .t-light{font-weight:500;color:var(--ink-2);}
.nav-search{
  display:none;flex:1;max-width:420px;position:relative;align-items:center;
  transition:max-width 260ms var(--ease);
}
.nav-search:focus-within{max-width:500px;}
.nav-search svg{position:absolute;left:16px;width:18px;height:18px;color:var(--ink-3);pointer-events:none;}
.nav-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid transparent;
  background:var(--bg-2);padding:0 18px 0 44px;font-size:14px;outline:none;
  transition:border-color 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,51,.18);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-help{display:none;font-size:14px;color:var(--ink-2);transition:color 220ms var(--ease);}
.nav-help:hover{color:var(--brand);}
.nav-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nav-burger:hover{border-color:rgba(255,92,51,.4);box-shadow:var(--shadow-1);}
@media (min-width:768px){
  .nav-search{display:flex;}
  .nav-help{display:inline-flex;}
  .nav-burger{display:none;}
}
.nav-channels{border-bottom:1px solid var(--line);position:relative;}
.nav-channels::after{
  content:"";position:absolute;right:0;top:0;bottom:1px;width:40px;pointer-events:none;
  background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.95));
}
.nav-links{
  display:flex;align-items:center;gap:8px;overflow-x:auto;padding:10px 0;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-links::-webkit-scrollbar{width:0;height:0;}
.nav-link{
  scroll-snap-align:start;flex:none;display:inline-flex;align-items:center;
  height:44px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--ink-2);transition:background 220ms var(--ease),color 220ms var(--ease);
}
.nav-link:hover{background:var(--bg-2);color:var(--ink);}
.nav-link.is-active{background:var(--grad);color:#fff;font-weight:700;box-shadow:var(--shadow-1);}
.nav-links .btn-primary{flex:none;margin-left:auto;height:44px;padding:0 22px;font-size:14px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,31,.45);opacity:0;pointer-events:none;
  transition:opacity 220ms var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;
  border-radius:28px 0 0 28px;box-shadow:var(--shadow-2);z-index:61;
  transform:translateX(100%);transition:transform 280ms var(--ease);
  display:flex;flex-direction:column;padding:22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);}
.drawer-close{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{border-color:rgba(255,92,51,.4);}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;
  border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.drawer-list a:hover{background:var(--bg-2);color:var(--ink);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb li{display:inline-flex;align-items:center;gap:8px;min-width:0;}
.crumb a{color:var(--ink-3);transition:color 220ms var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C3B8;}
.crumb .current{
  color:var(--ink-2);max-width:24ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:24px 0 72px;}
.article-grid{display:grid;gap:40px;grid-template-columns:1fr;}
@media (min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
}
.article-main{min-width:0;}
.article-head{margin-bottom:28px;}
.article-head h1{
  margin:16px 0 14px;
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;letter-spacing:-.02em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--ink-3);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D6D0C6;}
.article-meta time{font-variant-numeric:tabular-nums;}

/* ---------- 正文 ---------- */
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-2);}
.article-body > * + *{margin-top:1.1em;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;padding-left:16px;margin-top:2em;margin-bottom:.7em;
  font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:750;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--grad);
}
.article-body h3{margin-top:1.6em;margin-bottom:.5em;font-size:20px;font-weight:700;color:var(--ink);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(255,92,51,.35);transition:border-color 220ms var(--ease);}
.article-body a:hover{border-color:var(--brand);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body img{border-radius:var(--r-sm);margin:1.4em 0;box-shadow:var(--shadow-1);}
.article-body ul,.article-body ol{padding-left:0;display:flex;flex-direction:column;gap:10px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:olist;}
.article-body ol li{counter-increment:olist;}
.article-body ol li::before{
  content:counter(olist);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;
  background:var(--accent-soft);color:#5A21D6;font-size:12px;font-weight:700;line-height:20px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--bg-2);
  border-left:3px solid var(--brand);border-radius:0 var(--r-field) var(--r-field) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body pre{
  background:var(--bg-2);border-radius:var(--r-field);padding:16px 18px;overflow-x:auto;
  font-size:14px;line-height:1.7;border:1px solid var(--line);
}
.article-body code{background:var(--bg-2);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--bg-2);font-weight:700;color:var(--ink);white-space:nowrap;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:-.6em;}

/* 空态 */
.empty-card{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:48px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-card .empty-ico{
  width:56px;height:56px;border-radius:18px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-card h2{font-size:20px;font-weight:700;margin-bottom:8px;}
.empty-card p{color:var(--ink-3);font-size:15px;margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.article-aside{display:flex;flex-direction:column;gap:22px;}
@media (min-width:1024px){
  .article-aside{position:sticky;top:130px;}
}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.aside-title{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--ink-3);margin-bottom:16px;
}
.aside-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--grad);}
.mini-list{display:flex;flex-direction:column;gap:14px;}
.mini-item{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:14px;transition:background 220ms var(--ease);}
.mini-item:hover{background:var(--bg-2);}
.mini-thumb{
  width:72px;height:54px;border-radius:12px;flex:none;overflow:hidden;background:var(--bg-2);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.mini-item:hover .mini-thumb img{transform:scale(1.04);}
.mini-title{
  font-size:14px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-meta{font-size:12px;color:var(--ink-3);margin-top:4px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--bg-2);color:var(--ink-2);font-size:13px;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.tag:hover{background:var(--brand-soft);color:#B93A16;transform:translateY(-2px);}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;border-radius:999px;border:1px solid rgba(255,92,51,.4);background:#fff;color:var(--brand);
  font-size:14px;font-weight:700;cursor:pointer;width:100%;
  transition:box-shadow 220ms var(--ease),transform 220ms var(--ease);
}
.to-top:hover{box-shadow:var(--shadow-1);transform:translateY(-2px);}

/* ---------- 文末 ---------- */
.article-foot{max-width:760px;margin-top:48px;}
.related-title{display:flex;align-items:baseline;gap:12px;margin-bottom:20px;}
.related-title h2{font-size:clamp(20px,2.2vw,26px);font-weight:750;}
.related-title span{font-size:12px;color:var(--ink-3);}
.related-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}

.pager{
  margin-top:32px;display:grid;grid-template-columns:1fr;border:1px solid var(--line);
  border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-1);
}
@media (min-width:640px){.pager{grid-template-columns:1fr 1px 1fr;}}
.pager-cell{
  padding:20px;display:flex;flex-direction:column;gap:6px;
  transition:background 220ms var(--ease);
}
.pager-cell:hover{background:var(--bg-2);}
.pager-sep{background:var(--line);}
.pager-label{font-size:12px;color:var(--ink-3);letter-spacing:.06em;}
.pager-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5;}
.back-entry{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 订阅 CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;background:var(--grad);color:#fff;
  border-radius:32px;padding:40px 28px;box-shadow:var(--shadow-2);
  display:grid;gap:28px;grid-template-columns:1fr;
}
@media (min-width:1024px){.cta-card{padding:48px;grid-template-columns:1.1fr .9fr;align-items:center;}}
.cta-card::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:18px 18px;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:800;position:relative;}
.cta-card p{margin-top:10px;color:rgba(255,255,255,.88);font-size:15px;max-width:44ch;position:relative;}
.cta-form{position:relative;display:flex;flex-direction:column;gap:10px;}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;}
.cta-row input{
  flex:1 1 200px;height:48px;border-radius:999px;border:1px solid transparent;background:#fff;
  padding:0 20px;font-size:15px;color:var(--ink);outline:none;
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.cta-row input:focus{box-shadow:0 0 0 4px rgba(255,255,255,.35);}
.cta-row input.is-error{border-color:#D93A3A;box-shadow:0 0 0 4px rgba(217,58,58,.28);}
.cta-btn{
  height:48px;padding:0 26px;border-radius:999px;border:none;cursor:pointer;
  background:#14161F;color:#fff;font-size:15px;font-weight:700;
  transition:transform 220ms var(--ease),background 220ms var(--ease);
}
.cta-btn:hover{background:#000;transform:translateY(-1px);}
.cta-btn:active{transform:scale(.98);}
.cta-hint{font-size:12px;color:rgba(255,255,255,.82);}
.cta-error{font-size:12px;color:#FFE2E2;}
.cta-success{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 28px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.7);}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--ink-3);max-width:30ch;line-height:1.8;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.72);
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.footer-social svg{width:18px;height:18px;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:14px;color:rgba(255,255,255,.66);transition:color 220ms var(--ease);}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

@media (max-width:767px){
  .nav-top-inner{height:62px;}
  .logo-text{font-size:16px;}
  .nav-links .btn-primary{margin-left:8px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
html img{max-width:100%;display:block;border:0}
html a{color:inherit;text-decoration:none}
html button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
html input{font:inherit}
html ul,html ol{margin:0;padding:0;list-style:none}
html h1,html h2,html h3,html h4,html p,html figure{margin:0}
html summary{list-style:none;cursor:pointer}
html summary::-webkit-details-marker{display:none}
::selection{background:var(--brand-soft);color:var(--brand-hover)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{max-width:var(--maxw);width:100%;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,sans-serif}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{background:transparent}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1)}
.logo-mark svg{width:20px;height:20px}
.logo-text{font-size:19px;letter-spacing:.01em;white-space:nowrap}
.logo-text .t-strong{font-weight:800}
.logo-text .t-light{font-weight:500;color:var(--ink-2)}
.logo:hover .t-light{color:var(--brand)}
.search-box{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;height:44px;padding:0 6px 0 14px;background:var(--bg-2);border:1px solid transparent;border-radius:999px;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),max-width 260ms var(--ease)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,51,.16);max-width:480px;background:#fff}
.search-box svg{width:18px;height:18px;flex:0 0 auto;color:var(--ink-3)}
.search-input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:var(--ink);font-size:14px}
.search-input:focus{outline:none}
.search-input::placeholder{color:var(--ink-3)}
.search-btn{flex:0 0 auto;height:34px;padding:0 16px;border-radius:999px;background:#fff;color:var(--ink-2);font-size:13px;font-weight:600;border:1px solid var(--line);transition:all 220ms var(--ease)}
.search-btn:hover{color:var(--brand);border-color:rgba(255,92,51,.4)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.link-plain{font-size:14px;color:var(--ink-2);padding:10px 6px;border-bottom:1px solid transparent;transition:all 220ms var(--ease)}
.link-plain:hover{color:var(--brand);border-bottom-color:var(--brand)}
.icon-btn{width:44px;height:44px;border-radius:999px;display:none;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all 220ms var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,92,51,.4)}
.icon-btn svg{width:20px;height:20px}

/* 频道 tabs 行 */
.channel-bar{position:relative;border-top:1px solid var(--line);background:rgba(250,247,242,.72)}
.channel-bar::after{content:"";position:absolute;right:0;top:1px;bottom:1px;width:38px;background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.96));pointer-events:none}
.nav-links{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:9px 24px 9px 0;scrollbar-width:none;-ms-overflow-style:none}
.nav-links::-webkit-scrollbar{width:0;height:0}
.nav-link{flex:0 0 auto;scroll-snap-align:start;height:38px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:all 220ms var(--ease)}
.nav-link:hover{background:var(--bg-2);color:var(--ink)}
.nav-link.active{background:var(--grad);color:#fff;font-weight:700;box-shadow:var(--shadow-1)}
.nav-links .btn{height:38px;padding:0 18px;font-size:13px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.01em;transition:all 220ms var(--ease);border:1px solid transparent}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:rgba(255,92,51,.4);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;position:relative;padding:6px 0}
.text-link svg{width:16px;height:16px;transition:transform 220ms var(--ease)}
.text-link:hover svg{transform:translateX(4px)}
.text-link::after{content:"";position:absolute;left:0;bottom:2px;height:1px;width:0;background:var(--brand);transition:width 220ms var(--ease)}
.text-link:hover::after{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.06em;line-height:1.6}
.pill-brand{background:var(--brand-soft);color:#B93A16}
.pill-accent{background:var(--accent-soft);color:#5A21D6}
.pill-plain{background:var(--bg-2);color:var(--ink-2)}
.badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.badge::before{content:"";width:8px;height:8px;border-radius:999px;background:var(--brand)}
.badge-num{font-size:22px;font-weight:800;line-height:1.2}
.badge-label{font-size:12px;color:var(--ink-3)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3);transition:color 220ms var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{width:14px;height:14px;color:#C6C1B8}
.breadcrumb li[aria-current]{color:var(--ink-2);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;scroll-margin-top:140px}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-title{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:750;letter-spacing:-.01em}
.section-desc{margin-top:8px;font-size:14px;color:var(--ink-3);max-width:72ch}
.divider-line{height:2px;width:56px;border-radius:999px;background:var(--grad);margin:14px 0 0}

/* ---------- Hero ---------- */
.page-hero{padding:34px 0 8px;scroll-margin-top:140px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}}
.hero-copy h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:16px 0 0}
.lead{margin-top:14px;font-size:17px;color:var(--ink-2);max-width:60ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-media{position:relative}
.hero-media .media-frame{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-2);background:linear-gradient(135deg,#FFEDE6,#F0EAFF);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .media-caption{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(255,255,255,.94);border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--shadow-1);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.status-dot{width:8px;height:8px;border-radius:999px;background:var(--ok);flex:0 0 auto}

/* ---------- 专题大卡 ---------- */
.topic-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.topic-grid{grid-template-columns:1fr 1fr}}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all 220ms var(--ease);display:flex;flex-direction:column}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.feature-media{aspect-ratio:16/9;background:var(--bg-2);overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.feature-body h3{font-size:21px;font-weight:700;line-height:1.4}
.feature-body p{font-size:15px;color:var(--ink-2)}
.points{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.point{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.point::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:999px;background:var(--grad)}

/* ---------- 分组横向条目列表 ---------- */
.group-block{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}
.group-block:first-child{border-top:0;padding-top:0;margin-top:0}
.group-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.group-title::before{content:"";width:22px;height:3px;border-radius:999px;background:var(--grad)}
.row-list{display:flex;flex-direction:column}
.row-item{display:flex;gap:18px;padding:18px 12px;border-top:1px solid var(--line);border-radius:var(--r-sm);transition:background 220ms var(--ease),transform 220ms var(--ease)}
.row-item:first-child{border-top:0}
.row-item:hover{background:var(--bg-2);transform:translateY(-2px)}
.row-thumb{flex:0 0 auto;width:120px;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-2)}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-content{display:flex;flex-direction:column;gap:6px;min-width:0}
.row-title{font-size:17px;font-weight:700;line-height:1.5}
.row-desc{font-size:14px;color:var(--ink-2);line-height:1.75}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.row-arrow{margin-left:auto;align-self:center;color:var(--ink-3);flex:0 0 auto}
.row-arrow svg{width:18px;height:18px}
.row-item:hover .row-arrow{color:var(--brand)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);transition:all 220ms var(--ease)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--accent-soft);color:#5A21D6;font-weight:800;font-size:15px;margin-bottom:14px}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--ink-2)}

/* ---------- 数据横带 ---------- */
.stat-band{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media (min-width:1024px){.stat-band{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;padding:26px 22px;text-align:left}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:18px 22px;box-shadow:var(--shadow-1);transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease)}
.faq-item:hover{border-color:rgba(255,92,51,.28)}
.faq-item[open]{border-color:rgba(255,92,51,.34);box-shadow:var(--shadow-2)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:700;line-height:1.6}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:999px;background:var(--brand-soft);color:var(--brand-hover);display:inline-flex;align-items:center;justify-content:center;transition:transform 220ms var(--ease)}
.faq-icon svg{width:16px;height:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding-top:14px;margin-top:14px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.faq-a p+p{margin-top:10px}

/* ---------- 其它频道卡 ---------- */
.channel-cards{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.channel-cards{grid-template-columns:repeat(3,1fr)}}
.channel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all 220ms var(--ease);display:flex;flex-direction:column}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.channel-card .thumb{aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.channel-card:hover .thumb img{transform:scale(1.03)}
.channel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.channel-card h3{font-size:18px;font-weight:700}
.channel-card p{font-size:14px;color:var(--ink-2)}
.channel-card .more{margin-top:auto}

/* ---------- CTA 订阅 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:32px;background:var(--grad);color:#fff;padding:32px;box-shadow:var(--shadow-2)}
@media (min-width:1024px){.cta-band{padding:48px}}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:18px 18px;opacity:.06;pointer-events:none}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.1fr .9fr;gap:48px}}
.cta-band h2{font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:750}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-form{display:flex;flex-wrap:wrap;gap:10px;background:rgba(255,255,255,.14);padding:10px;border-radius:999px}
.cta-input{flex:1 1 200px;min-width:0;height:48px;border:1px solid transparent;border-radius:999px;background:#fff;color:var(--ink);padding:0 20px;font-size:15px}
.cta-input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,255,255,.35)}
.cta-input.error{border-color:#D93A3A;box-shadow:0 0 0 4px rgba(217,58,58,.24)}
.cta-btn{flex:0 0 auto;height:48px;padding:0 26px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;font-size:15px;transition:all 220ms var(--ease)}
.cta-btn:hover{background:#000;transform:translateY(-1px)}
.cta-btn:active{transform:scale(.98)}
.cta-msg{position:relative;margin-top:12px;font-size:12px;color:rgba(255,255,255,.86)}
.cta-error{color:#FFE1E1;font-weight:600}
.cta-success{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.cta-success svg{width:22px;height:22px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:64px;background:var(--ink);color:#fff;padding:56px 0 28px}
@media (min-width:1024px){.site-footer{margin-top:96px;padding:72px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.7)}
.footer-brand p{font-size:14px;color:var(--ink-3);max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:44px;height:44px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.06);color:rgba(255,255,255,.72);transition:all 220ms var(--ease)}
.footer-social a:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:20px;height:20px}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14px;color:rgba(255,255,255,.72);border-bottom:1px solid transparent;transition:all 220ms var(--ease);display:inline-block;padding:4px 0}
.footer-link:hover{color:#fff;border-bottom-color:var(--brand)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.footer-meta{color:rgba(255,255,255,.42)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,31,.45);z-index:60;opacity:0;transition:opacity 220ms var(--ease)}
.drawer-mask.open{opacity:1}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:70;background:#fff;border-radius:28px 0 0 28px;box-shadow:var(--shadow-2);padding:24px;transform:translateX(100%);transition:transform 260ms var(--ease);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-head strong{font-size:17px}
.drawer-group{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin:18px 0 10px}
.drawer-list{display:flex;flex-direction:column;gap:6px}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:0 14px;border-radius:var(--r-field);font-size:15px;color:var(--ink-2);transition:all 220ms var(--ease)}
.drawer-list a:hover{background:var(--bg-2);color:var(--brand)}
.drawer-foot{margin-top:24px}
.drawer-foot .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .row-thumb{width:104px}
}
@media (max-width:767px){
  .header-inner{min-height:64px;gap:12px}
  .search-box{display:none}
  .icon-btn{display:inline-flex}
  .link-plain{display:none}
  .nav-links{padding:8px 20px 8px 0}
  .row-item{gap:14px;padding:16px 8px}
  .row-thumb{width:92px}
  .row-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .cta-band{border-radius:24px;padding:26px 20px}
  .cta-form{border-radius:26px}
  .cta-btn{width:100%}
  .faq-item{padding:16px 18px}
}
@media (max-width:520px){
  .badge{padding:6px 12px}
  .badge-num{font-size:19px}
  .logo-text{font-size:17px}
  .row-thumb{width:80px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --danger:#D93A3A;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --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(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-top{border-bottom:1px solid transparent}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1)}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.logo-text .t-strong{font-weight:800}
.logo-text .t-light{font-weight:500;color:var(--ink-2)}
.nav-search{position:relative;flex:1;max-width:420px;display:flex;align-items:center}
.nav-search svg{position:absolute;left:14px;width:18px;height:18px;stroke:var(--ink-3);stroke-width:1.8;fill:none;pointer-events:none}
.nav-search input{width:100%;height:44px;border-radius:999px;border:1px solid transparent;background:var(--bg-2);padding:0 16px 0 42px;font-size:14px;transition:all 220ms var(--ease)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,92,51,.14)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-ghost{display:inline-flex;align-items:center;min-height:44px;padding:0 6px;font-size:14px;color:var(--ink-2);transition:color 220ms var(--ease)}
.nav-ghost:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;transition:all 220ms var(--ease);white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:rgba(255,92,51,.4);color:var(--brand)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:44px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;min-height:44px}
.btn-text svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;transition:transform 220ms var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-burger svg{width:20px;height:20px;stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}

/* ---------- 频道 Tabs ---------- */
.nav-tabs{border-top:1px solid var(--line);position:relative}
.nav-tabs .container{position:relative}
.nav-links{display:flex;align-items:center;gap:6px;padding:10px 0;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
.nav-links::-webkit-scrollbar{width:0;height:0}
.nav-links{scrollbar-width:none}
.nav-link{display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;scroll-snap-align:start;transition:all 220ms var(--ease)}
.nav-link:hover{background:var(--bg-2);color:var(--ink)}
.nav-link.is-active{background:var(--grad);color:#fff;box-shadow:var(--shadow-1);font-weight:700}
.nav-links .btn{margin-left:8px;height:40px;padding:0 18px;font-size:14px}
.tabs-mask{position:absolute;right:20px;top:10px;bottom:10px;width:36px;background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.96));pointer-events:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,31,.45);opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);z-index:60}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;border-radius:24px 0 0 24px;box-shadow:var(--shadow-2);transform:translateX(105%);transition:transform 280ms var(--ease);z-index:61;display:flex;flex-direction:column;padding:22px 20px 24px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:44px;height:44px;border-radius:12px;background:var(--bg-2);display:inline-flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}
.drawer-group-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin:14px 0 8px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:14px;font-size:15px;color:var(--ink-2);transition:all 220ms var(--ease)}
.drawer-link:hover{background:var(--bg-2);color:var(--ink)}
.drawer-link.is-active{background:var(--brand-soft);color:#B93A16;font-weight:700}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0}
.crumbs ol{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--ink-3)}
.crumbs li{display:inline-flex;align-items:center;gap:6px}
.crumbs a:hover{color:var(--brand)}
.crumbs svg{width:14px;height:14px;stroke:var(--ink-3);stroke-width:1.8;fill:none;stroke-linecap:round}
.crumbs .current{color:var(--ink-2);font-weight:600}

/* ---------- Hero ---------- */
.hero-cat{margin-top:20px;position:relative;border-radius:28px;overflow:hidden;min-height:250px;display:flex;align-items:flex-end;background-image:linear-gradient(120deg,rgba(20,22,31,.86) 8%,rgba(20,22,31,.5) 62%,rgba(122,59,255,.42)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.hero-inner{padding:36px 32px 32px;color:#fff;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.82);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.hero-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--brand);display:block}
.hero-cat h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:#fff}
.hero-desc{margin-top:14px;max-width:60ch;font-size:16px;line-height:1.85;color:rgba(255,255,255,.86)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat-badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-1)}
.stat-badge i{width:8px;height:8px;border-radius:50%;background:var(--brand);display:block;flex-shrink:0}
.stat-badge b{font-size:22px;font-weight:800;line-height:1;letter-spacing:-.02em}
.stat-badge span{font-size:12px;color:var(--ink-3)}

/* ---------- 通用板块 ---------- */
.section{padding-top:64px;scroll-margin-top:130px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:750;line-height:1.3}
.section-sub{font-size:13px;color:var(--ink-3);margin-top:6px}
.divider-grad{width:44px;height:2px;border-radius:2px;background:var(--grad);margin-bottom:14px}

/* ---------- 筛选 pill 条 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow-1)}
.filter-pill{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;font-size:13px;font-weight:500;color:var(--ink-2);background:var(--bg-2);transition:all 220ms var(--ease)}
.filter-pill:hover{background:var(--brand-soft);color:#B93A16}
.filter-pill.is-on{background:var(--grad);color:#fff;font-weight:700;box-shadow:var(--shadow-1)}
.filter-bar .hint{margin-left:auto;align-self:center;font-size:12px;color:var(--ink-3)}

/* ---------- 侧栏 + 列表 ---------- */
.layout-side{display:grid;grid-template-columns:284px minmax(0,1fr);gap:32px;align-items:start}
.side-col{position:sticky;top:132px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:10px}
.side-card p{font-size:13.5px;line-height:1.9;color:var(--ink-2)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:12px;font-size:14px;color:var(--ink-2);transition:all 220ms var(--ease)}
.side-nav a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--line);flex-shrink:0;transition:background 220ms var(--ease)}
.side-nav a:hover{background:var(--bg-2);color:var(--ink)}
.side-nav a:hover::before{background:var(--brand)}
.side-nav a.is-on{background:var(--brand-soft);color:#B93A16;font-weight:700}
.side-nav a.is-on::before{background:var(--brand)}
.side-mini{padding:16px;border-radius:var(--r-sm);background:var(--accent-soft)}
.side-mini strong{display:block;font-size:20px;font-weight:800;color:#5A21D6;letter-spacing:-.02em}
.side-mini span{font-size:12px;color:var(--ink-2)}

.list-area{display:flex;flex-direction:column;gap:36px}
.list-group{scroll-margin-top:130px}
.group-head{display:flex;align-items:baseline;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:6px}
.group-head h2{font-size:20px;font-weight:750}
.group-head em{font-style:normal;font-size:12px;color:var(--ink-3)}
.rows{display:flex;flex-direction:column}
.list-row{display:flex;gap:18px;align-items:center;padding:18px 14px;border-bottom:1px solid var(--line);border-radius:12px;transition:all 220ms var(--ease)}
.list-row:hover{background:var(--bg-2);box-shadow:var(--shadow-1)}
.row-thumb{width:140px;flex-shrink:0;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,var(--brand-soft),var(--accent-soft))}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.list-row:hover .row-thumb img{transform:scale(1.04)}
.row-body{flex:1;min-width:0}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.pill{display:inline-flex;align-items:center;font-size:12px;font-weight:500;letter-spacing:.04em;border-radius:999px;padding:4px 10px;line-height:1.5}
.pill-brand{background:var(--brand-soft);color:#B93A16}
.pill-accent{background:var(--accent-soft);color:#5A21D6}
.pill-ghost{background:var(--bg-2);color:var(--ink-2)}
.row-title{font-size:17px;font-weight:700;line-height:1.5}
.row-title a:hover{color:var(--brand)}
.row-desc{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--ink-3)}
.row-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.6}
.row-meta .live{display:inline-flex;align-items:center;gap:6px;color:var(--ok);font-weight:600}
.row-meta .live i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:block}
.row-arrow{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all 220ms var(--ease)}
.row-arrow svg{width:16px;height:16px;stroke:var(--ink-3);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.list-row:hover .row-arrow{border-color:rgba(255,92,51,.5);background:#fff}
.list-row:hover .row-arrow svg{stroke:var(--brand);transform:translateX(2px)}

/* ---------- 三步提醒 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:all 220ms var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28)}
.step-num{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 20px;box-shadow:var(--shadow-1);transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease)}
.faq-item:hover{border-color:rgba(255,92,51,.28)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;font-size:17px;font-weight:700;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--bg-2);display:flex;align-items:center;justify-content:center;transition:transform 220ms var(--ease),background 220ms var(--ease)}
.faq-icon svg{width:14px;height:14px;stroke:var(--ink-2);stroke-width:2;fill:none;stroke-linecap:round}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--brand-soft)}
.faq-item[open] .faq-icon svg{stroke:#B93A16}
.faq-body{padding:0 0 18px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:72ch}
.faq-side{position:sticky;top:132px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1)}
.faq-side h3{font-size:16px;font-weight:700;margin-bottom:12px}
.faq-side ul{display:flex;flex-direction:column;gap:10px}
.faq-side li{display:flex;gap:10px;font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.faq-side li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:9px;flex-shrink:0}

/* ---------- CTA ---------- */
.cta-block{margin-top:64px;border-radius:32px;background:var(--grad);padding:48px 40px;color:#fff;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:36px;align-items:center;position:relative;overflow:hidden;box-shadow:var(--shadow-2)}
.cta-block::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:16px 16px;opacity:.5;pointer-events:none}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:750;line-height:1.3}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.88);max-width:46ch}
.cta-form{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px}
.cta-row{display:flex;gap:10px}
.cta-row input{flex:1;height:48px;border-radius:999px;border:2px solid transparent;background:#fff;padding:0 20px;font-size:15px;color:var(--ink);transition:all 220ms var(--ease)}
.cta-row input::placeholder{color:var(--ink-3)}
.cta-row input:focus{outline:none;border-color:#14161F;box-shadow:0 0 0 4px rgba(255,255,255,.28)}
.cta-row input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(217,58,58,.22)}
.cta-row button{height:48px;padding:0 26px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;font-size:15px;transition:all 220ms var(--ease)}
.cta-row button:hover{transform:translateY(-1px);background:#000}
.cta-row button:active{transform:scale(.98)}
.form-msg{font-size:12.5px;color:rgba(255,255,255,.86)}
.form-msg.error{color:#FFD9D9;font-weight:600}
.form-success{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:12px 18px;font-size:14px;font-weight:600}
.form-success svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;background:var(--ink);color:#fff;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.72)}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;transition:all 220ms var(--ease)}
.footer-social a:hover{border-color:rgba(255,92,51,.7);background:rgba(255,92,51,.16)}
.footer-social svg{width:18px;height:18px;stroke:rgba(255,255,255,.8);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-link{display:inline-flex;align-items:center;min-height:36px;font-size:14px;color:rgba(255,255,255,.62);transition:all 220ms var(--ease);border-bottom:1px solid transparent}
.footer-link:hover{color:#fff;border-bottom-color:var(--brand)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .layout-side{grid-template-columns:1fr}
  .side-col{position:static}
  .faq-wrap{grid-template-columns:1fr}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .nav-top-inner{height:62px;gap:12px}
  .nav-search{display:none}
  .nav-ghost{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-burger{display:inline-flex}
  .tabs-mask{display:none}
  .hero-cat{min-height:230px;border-radius:22px}
  .hero-inner{padding:26px 20px 24px}
  .section{padding-top:52px;scroll-margin-top:118px}
  .steps{grid-template-columns:1fr}
  .cta-block{grid-template-columns:1fr;padding:32px 22px;border-radius:24px;margin-top:52px}
  .cta-row{flex-direction:column}
  .cta-row button{width:100%}
  .list-row{flex-direction:column;align-items:stretch;gap:12px}
  .row-thumb{width:100%;aspect-ratio:16/9}
  .row-arrow{display:none}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand p{max-width:none}
}
@media (max-width:520px){
  .logo-text{font-size:17px}
  .stat-badge b{font-size:19px}
  .filter-bar .hint{display:none}
  .row-title{font-size:16px}
  .faq-item summary{font-size:16px}
}

/* roulang page: category3 */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --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(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;}
.header-top{background:rgba(250,247,242,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.header-top-inner{display:flex;align-items:center;gap:16px;height:66px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-1);}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-size:19px;letter-spacing:-.01em;line-height:1;white-space:nowrap;}
.logo-text .t-strong{font-weight:800;}
.logo-text .t-light{font-weight:500;color:var(--ink-2);}
.search-box{flex:1 1 auto;max-width:460px;position:relative;display:none;}
@media(min-width:900px){.search-box{display:block;}}
.search-box input{
  width:100%;height:44px;border-radius:999px;border:1px solid transparent;background:var(--bg-2);
  padding:0 18px 0 44px;color:var(--ink);transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:hover{border-color:rgba(255,92,51,.25);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,51,.16);}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.ghost-link{display:none;font-size:14px;font-weight:500;color:var(--ink-2);padding:0 6px;height:44px;line-height:44px;border-radius:999px;transition:color 200ms var(--ease),background 200ms var(--ease);}
.ghost-link:hover{color:var(--brand);background:var(--brand-soft);}
@media(min-width:768px){.ghost-link{display:inline-flex;align-items:center;}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:rgba(255,92,51,.5);color:var(--brand);transform:translateY(-1px);}
.btn-outline:active{transform:scale(.98);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;position:relative;padding:6px 0;}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);transition:width 240ms var(--ease);}
.btn-text:hover::after{width:100%;}
.btn-text svg{width:16px;height:16px;transition:transform 220ms var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.header-cta{display:none;}
@media(min-width:768px){.header-cta{display:inline-flex;}}
.menu-btn{width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);}
.menu-btn:hover{border-color:rgba(255,92,51,.45);box-shadow:var(--shadow-1);}
@media(min-width:1024px){.menu-btn{display:none;}}
.menu-btn svg{width:20px;height:20px;}

.header-tabs{border-bottom:1px solid var(--line);background:rgba(250,247,242,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);}
.tabs-wrap{position:relative;}
.tabs-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:40px;pointer-events:none;background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.96));}
.nav-links{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:10px 0;scrollbar-width:none;-ms-overflow-style:none;}
.nav-links::-webkit-scrollbar{width:0;height:0;display:none;}
.nav-link{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);letter-spacing:.06em;transition:background 220ms var(--ease),color 220ms var(--ease),box-shadow 220ms var(--ease);}
.nav-link:hover{background:var(--bg-2);color:var(--ink);}
.nav-link:active{transform:scale(.98);}
.nav-link.active{background:var(--grad);color:#fff;box-shadow:var(--shadow-1);}
.nav-links .btn{padding:0 20px;height:40px;min-height:40px;font-size:14px;margin-left:4px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,31,.45);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:60;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;border-radius:28px 0 0 28px;box-shadow:var(--shadow-2);transform:translateX(102%);transition:transform 300ms var(--ease);z-index:61;display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.drawer-close:hover{border-color:rgba(255,92,51,.45);}
.drawer-group-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin:20px 0 8px;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background 200ms var(--ease),color 200ms var(--ease);}
.drawer-link:hover{background:var(--bg-2);color:var(--ink);}
.drawer-link.active{background:var(--accent-soft);color:#5A21D6;font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:16px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);transition:color 200ms var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb svg{width:14px;height:14px;opacity:.7;}
.breadcrumb .current{color:var(--ink-2);font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;scroll-margin-top:130px;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;justify-content:space-between;margin-bottom:28px;}
.section-title{font-size:clamp(24px,3.2vw,34px);font-weight:750;letter-spacing:-.02em;line-height:1.25;}
.section-note{font-size:12px;color:var(--ink-3);letter-spacing:.06em;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--brand);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;}
.lead{color:var(--ink-2);max-width:72ch;font-size:16.5px;}

/* ---------- Hero ---------- */
.hero{padding:34px 0 0;}
.hero-card{position:relative;border-radius:32px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);padding:30px 24px;overflow:hidden;}
@media(min-width:768px){.hero-card{padding:44px 40px;}}
.hero-card::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(20,22,31,.05) 1px,transparent 1px);background-size:18px 18px;opacity:.55;pointer-events:none;}
.hero-inner{position:relative;display:grid;gap:28px;}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;}}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:14px 0 16px;}
.hero h1 .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-desc{color:var(--ink-2);font-size:16.5px;max-width:62ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.badge{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-1);}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto;}
.badge .b-num{font-size:22px;font-weight:800;line-height:1;}
.badge .b-label{font-size:12px;color:var(--ink-3);letter-spacing:.05em;}
.hero-media{position:relative;}
.hero-media .media-frame{position:relative;border-radius:24px;overflow:hidden;background:var(--bg-2);box-shadow:var(--shadow-2);aspect-ratio:16/11;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.float-card{position:relative;margin-top:-14px;margin-left:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);padding:12px 16px;display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);}
.float-card .ok-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(18,165,148,.16);}

/* ---------- 标签矩阵 ---------- */
.tag-groups{display:grid;gap:20px;}
@media(min-width:768px){.tag-groups{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.tag-groups{grid-template-columns:repeat(3,1fr);}}
.tag-group{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);}
.tag-group:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28);}
.tag-group h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px;}
.tag-group h3 span{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:500;background:var(--brand-soft);color:#B93A16;border:1px solid transparent;transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease);cursor:pointer;}
.tag.alt{background:var(--accent-soft);color:#5A21D6;}
.tag:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.tag:active{transform:scale(.97);}
.tag:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 瀑布卡 ---------- */
.waterfall{columns:1;column-gap:20px;}
@media(min-width:640px){.waterfall{columns:2;}}
@media(min-width:1024px){.waterfall{columns:3;}}
.wf-card{break-inside:avoid;display:block;margin-bottom:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,92,51,.28);}
.wf-media{position:relative;background:linear-gradient(135deg,#FFEDE6,#F0EAFF);overflow:hidden;}
.wf-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.wf-card:hover .wf-media img{transform:scale(1.03);}
.ratio-16-9{aspect-ratio:16/9;}
.ratio-4-3{aspect-ratio:4/3;}
.ratio-1-1{aspect-ratio:1/1;}
.ratio-3-4{aspect-ratio:3/4;}
.pill{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;background:var(--brand-soft);color:#B93A16;}
.pill.alt{background:var(--accent-soft);color:#5A21D6;}
.wf-body{padding:20px 20px 22px;}
.wf-body h3{font-size:19px;font-weight:700;line-height:1.4;}
.wf-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);}
.meta-row .ok{color:var(--ok);font-weight:600;}
.meta-row svg{width:15px;height:15px;}

/* ---------- 横向条目流 ---------- */
.flow{border-top:1px solid var(--line);}
.flow-item{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;padding:18px 12px;border-bottom:1px solid var(--line);transition:background 220ms var(--ease);}
@media(min-width:768px){.flow-item{grid-template-columns:140px 1fr auto;gap:22px;padding:20px 14px;}}
.flow-item:hover{background:var(--bg-2);}
.flow-thumb{position:relative;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-2);aspect-ratio:4/3;}
.flow-thumb img{width:100%;height:100%;object-fit:cover;}
.flow-main h3{font-size:17px;font-weight:700;line-height:1.5;}
.flow-main p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.75;}
.flow-time{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;white-space:nowrap;}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:18px;}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step .idx{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;font-size:15px;font-weight:800;color:#fff;background:var(--grad);box-shadow:var(--shadow-1);}
.step h3{font-size:17px;font-weight:700;margin-top:14px;}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);}
.faq-item:hover{border-color:rgba(255,92,51,.28);box-shadow:var(--shadow-2);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:17px;font-weight:700;line-height:1.5;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;transition:transform 220ms var(--ease),background 220ms var(--ease),border-color 220ms var(--ease);}
.faq-icon svg{width:16px;height:16px;color:var(--brand);}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--brand-soft);border-color:transparent;}
.faq-answer{padding:0 22px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.9;border-top:1px solid var(--line);padding-top:16px;}

/* ---------- CTA ---------- */
.cta-card{position:relative;border-radius:32px;background:var(--grad);color:#fff;padding:36px 24px;overflow:hidden;box-shadow:var(--shadow-2);}
@media(min-width:768px){.cta-card{padding:48px;}}
.cta-card::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:20px 20px;opacity:.5;pointer-events:none;}
.cta-inner{position:relative;display:grid;gap:26px;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:48px;}}
.cta-card h2{font-size:clamp(24px,3.2vw,34px);font-weight:750;line-height:1.3;}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);max-width:52ch;}
.subscribe-form{display:flex;flex-wrap:wrap;gap:10px;}
.subscribe-form input{flex:1 1 220px;height:48px;border-radius:999px;border:2px solid transparent;background:#fff;color:var(--ink);padding:0 20px;transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);}
.subscribe-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(255,255,255,.35);}
.subscribe-form input.error{border-color:#D93A3A;}
.subscribe-form .btn{background:var(--ink);color:#fff;box-shadow:var(--shadow-1);}
.subscribe-form .btn:hover{filter:brightness(1.12);transform:translateY(-1px);}
.form-hint{font-size:12px;color:rgba(255,255,255,.82);margin-top:10px;}
.form-error{font-size:12px;color:#FFE1E1;margin-top:8px;display:none;}
.form-error.show{display:block;}
.form-success{display:none;align-items:center;gap:10px;height:48px;border-radius:999px;background:rgba(255,255,255,.18);padding:0 20px;font-size:15px;font-weight:600;}
.form-success.show{display:inline-flex;}
.form-success svg{width:18px;height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 26px;}
.footer-grid{display:grid;gap:30px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.68);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;transition:background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,92,51,.6);transform:translateY(-2px);}
.footer-social svg{width:18px;height:18px;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.5);margin-bottom:14px;}
.footer-list{display:grid;gap:10px;}
.footer-link{font-size:14px;color:rgba(255,255,255,.68);transition:color 200ms var(--ease);}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}
.footer-acc{display:block;}
@media(min-width:768px){.footer-acc{display:none;}}
.footer-desktop{display:none;}
@media(min-width:768px){.footer-desktop{display:block;}}
details.f-details{border-bottom:1px solid rgba(255,255,255,.08);padding:14px 0;}
details.f-details summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;color:rgba(255,255,255,.8);}
details.f-details summary::-webkit-details-marker{display:none;}
details.f-details summary svg{width:16px;height:16px;transition:transform 220ms var(--ease);}
details.f-details[open] summary svg{transform:rotate(180deg);}
details.f-details ul{margin-top:12px;display:grid;gap:10px;}

@media(max-width:520px){
  .hero-actions .btn{width:100%;}
  .badge{padding:7px 13px;}
  .badge .b-num{font-size:20px;}
}

/* roulang page: category4 */
:root{
  --brand:#FF5C33;
  --brand-hover:#E0431C;
  --accent:#7A3BFF;
  --accent-soft:#F0EAFF;
  --brand-soft:#FFEDE6;
  --ink:#14161F;
  --ink-2:#4A4F5C;
  --ink-3:#7C818E;
  --bg:#FAF7F2;
  --bg-2:#F2EDE6;
  --line:#E8E3DB;
  --ok:#12A594;
  --grad:linear-gradient(120deg,#FF5C33 0%,#FF2E88 52%,#7A3BFF 100%);
  --r-card:24px;
  --r-sm:18px;
  --r-field:14px;
  --shadow-1:0 10px 30px -18px rgba(20,22,31,.35);
  --shadow-2:0 24px 50px -24px rgba(20,22,31,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,247,242,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-top-inner{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--grad);
  display:grid;place-items:center;flex:0 0 28px;
  box-shadow:0 6px 16px -8px rgba(255,92,51,.9);
}
.logo-mark svg{width:17px;height:17px}
.logo-text{font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.logo-text .t-strong{font-weight:800}
.logo-text .t-light{font-weight:500;color:var(--ink-2)}

.search{position:relative;flex:1 1 auto;max-width:430px;display:none}
@media (min-width:768px){.search{display:block}}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none}
.search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-2);padding:0 18px 0 44px;font-size:14.5px;color:var(--ink);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.search input::placeholder{color:var(--ink-3)}
.search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,51,.16)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.text-entry{
  font-size:14px;color:var(--ink-2);padding:10px 12px;border-radius:999px;
  transition:color .22s var(--ease),background .22s var(--ease);
  display:none;
}
@media (min-width:768px){.text-entry{display:inline-block}}
.text-entry:hover{color:var(--brand);background:var(--brand-soft)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#fff;height:44px;padding:0 22px;font-size:14.5px;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(.94)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:#fff;color:var(--ink);border:1px solid var(--line);
  height:48px;padding:0 26px;font-size:15px;
}
.btn-ghost:hover{border-color:rgba(255,92,51,.4);color:var(--brand)}
.btn-ghost:active{transform:scale(.98)}
.btn-lg{height:48px;padding:0 28px;font-size:15px}
.btn-dark{
  background:var(--ink);color:#fff;height:48px;padding:0 26px;font-size:15px;
}
.btn-dark:hover{transform:translateY(-1px);box-shadow:0 16px 30px -18px rgba(20,22,31,.8)}
.btn-dark:active{transform:scale(.98)}

.hamburger{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:border-color .22s var(--ease);
}
.hamburger:hover{border-color:rgba(255,92,51,.4)}
.hamburger svg{width:20px;height:20px;color:var(--ink)}
@media (min-width:1024px){.hamburger{display:none}}

.header-tabs{border-top:1px solid var(--line);background:rgba(250,247,242,.9)}
.tabs-wrap{position:relative}
.nav-links{
  display:flex;align-items:center;gap:8px;
  padding:10px 0;overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;width:0;height:0}
.nav-link{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;font-size:14.5px;color:var(--ink-2);
  transition:background-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
  scroll-snap-align:start;
}
.nav-link:hover{background:var(--bg-2);color:var(--ink)}
.nav-link.active{background:var(--grad);color:#fff;font-weight:700;box-shadow:var(--shadow-1)}
.nav-links .btn-primary{margin-left:6px}
.tabs-fade{
  position:absolute;right:0;top:0;bottom:0;width:40px;pointer-events:none;
  background:linear-gradient(90deg,rgba(250,247,242,0),rgba(250,247,242,.96));
  border-radius:0 12px 12px 0;
}
@media (max-width:767px){
  .header-top-inner{height:56px;gap:10px}
  .nav-links{padding:5px 0}
  .nav-link{height:32px;padding:0 13px;font-size:13.5px}
  .nav-links .btn-primary{height:32px;padding:0 15px;font-size:13px}
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,31,.45);z-index:60;display:none;
}
.drawer-mask.show{display:block}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);z-index:70;
  background:#fff;border-radius:24px 0 0 24px;padding:22px 20px 28px;
  transform:translateX(106%);transition:transform .3s var(--ease);
  overflow-y:auto;box-shadow:var(--shadow-2);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);
  display:grid;place-items:center;cursor:pointer;
}
.drawer-close svg{width:18px;height:18px}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin:20px 0 8px;font-weight:600}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:14px;font-size:15px;color:var(--ink);
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.drawer-link:hover{background:var(--bg-2)}
.drawer-link.active{background:var(--brand-soft);color:#B93A16;font-weight:700}
.drawer-link svg{width:16px;height:16px;color:var(--ink-3)}
.drawer-cta{margin-top:22px;width:100%}

/* ---------- 通用组件 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;letter-spacing:.06em;
}
.pill-brand{background:var(--brand-soft);color:#B93A16}
.pill-accent{background:var(--accent-soft);color:#5A21D6}

.breadcrumb{padding:18px 0 6px}
.breadcrumb ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.breadcrumb a{transition:color .22s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb svg{width:14px;height:14px;color:#B9BEC9;flex:0 0 14px}
.breadcrumb li[aria-current]{color:var(--ink-2);font-weight:600}

section[id], div[id]{scroll-margin-top:132px}

.block{margin-top:64px}
@media (min-width:1024px){.block{margin-top:96px}}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.block-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:750;letter-spacing:-.01em}
.block-head p{font-size:13px;color:var(--ink-3);margin-top:6px}
.rule-grad{display:block;width:44px;height:3px;border-radius:99px;background:var(--grad);margin-bottom:14px}

/* ---------- 指南页布局 ---------- */
.guide-layout{display:grid;gap:32px;grid-template-columns:minmax(0,1fr)}
@media (min-width:1024px){
  .guide-layout{grid-template-columns:minmax(0,1fr) 288px;gap:48px}
}
.guide-main{min-width:0}
.guide-aside{min-width:0}
@media (max-width:1023px){.guide-aside{order:-1}}

.hero-block{
  position:relative;overflow:hidden;
  background:
    radial-gradient(rgba(20,22,31,.05) 1px, transparent 1px) 0 0/16px 16px,
    linear-gradient(180deg,#fff 0%,#FFFDFB 100%);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 28px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.hero-block{padding:38px 36px 34px}}
.hero-block h1{
  font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:14px 0 12px;
}
.hero-desc{color:var(--ink-2);max-width:56ch;font-size:16.5px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:baseline;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;
  box-shadow:0 6px 18px -14px rgba(20,22,31,.5);
}
.badge-num{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1}
.badge-label{font-size:12px;color:var(--ink-3)}
.badge::before{content:"";width:8px;height:8px;border-radius:99px;background:var(--grad);flex:0 0 8px;align-self:center}

/* 粘性目录 */
.toc-card{
  position:sticky;top:130px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--ink-3);margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;
  font-size:14.5px;color:var(--ink-2);
  transition:background-color .22s var(--ease),color .22s var(--ease),padding-left .22s var(--ease);
}
.toc-list a:hover{background:var(--bg-2);color:var(--ink);padding-left:16px}
.toc-list a.is-current{background:var(--brand-soft);color:#B93A16;font-weight:700}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3)}
.toc-cta{margin-top:14px;width:100%;height:44px;font-size:14px}

/* FAQ 分组 */
.faq-group{margin-top:52px}
.faq-group:first-of-type{margin-top:34px}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.group-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:750;letter-spacing:-.01em}
.group-count{
  font-size:12px;color:var(--ink-3);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:3px 10px;font-variant-numeric:tabular-nums;
}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--shadow-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,92,51,.28)}
.faq-item[open]{border-color:rgba(255,92,51,.3);box-shadow:var(--shadow-2)}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 20px;cursor:pointer;font-size:17px;font-weight:700;line-height:1.6;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:99px;background:var(--bg-2);
  display:grid;place-items:center;margin-top:2px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-icon svg{width:15px;height:15px;color:var(--ink-2)}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--brand-soft)}
.faq-item[open] .faq-icon svg{color:var(--brand)}
.faq-a{padding:0 20px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.9;max-width:72ch}
.faq-a p+p{margin-top:.85em}

/* 速查区 */
.checklist-block{display:grid;gap:26px;grid-template-columns:minmax(0,1fr)}
@media (min-width:1024px){
  .checklist-block{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;gap:44px}
}
.frame{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--bg-2);
}
.frame-4x3{aspect-ratio:4/3}
.frame img{width:100%;height:100%;object-fit:cover}
.frame-tag{position:absolute;left:16px;top:16px}
.checklist-body h2{font-size:clamp(22px,2.8vw,30px);font-weight:750;margin:12px 0 8px;letter-spacing:-.01em}
.checklist-body>p{color:var(--ink-2)}
.step-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.step-list li{display:flex;gap:14px;align-items:flex-start}
.step-no{
  flex:0 0 34px;width:34px;height:34px;border-radius:12px;background:var(--accent-soft);
  color:#5A21D6;font-weight:800;font-size:13px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px}
.step-list p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* 延伸阅读 */
.read-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.read-item{border-bottom:1px solid var(--line)}
.read-item>a{
  display:flex;gap:16px;padding:18px 12px;border-radius:var(--r-sm);
  transition:background-color .22s var(--ease);
}
@media (min-width:768px){.read-item>a{gap:22px;padding:20px 16px;align-items:center}}
.read-item>a:hover{background:var(--bg-2)}
.read-thumb{
  flex:0 0 104px;width:104px;aspect-ratio:1/1;border-radius:var(--r-sm);overflow:hidden;
  background:var(--bg-2);
}
@media (min-width:768px){.read-thumb{flex:0 0 140px;width:140px;aspect-ratio:4/3}}
.read-thumb img{width:100%;height:100%;object-fit:cover}
.read-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.read-title{font-size:17px;font-weight:700;line-height:1.5}
.read-desc{font-size:14px;color:var(--ink-2);line-height:1.75}
.read-meta{font-size:13px;color:var(--ink-3);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.read-item>a:hover .read-title{color:var(--brand)}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;background:var(--grad);
  padding:36px 24px;color:#fff;box-shadow:var(--shadow-2);
}
@media (min-width:768px){.cta-card{padding:48px}}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:18px 18px;opacity:.5;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:26px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:40px}}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);max-width:46ch}
.cta-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:768px){.cta-form{flex-direction:row}}
.cta-input{
  flex:1 1 auto;height:48px;border-radius:999px;border:2px solid transparent;background:#fff;
  padding:0 20px;font-size:15px;color:var(--ink);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cta-input::placeholder{color:var(--ink-3)}
.cta-input:focus{outline:none;border-color:rgba(255,255,255,.9);box-shadow:0 0 0 4px rgba(255,255,255,.28)}
.cta-form.is-error .cta-input{border-color:#D93A3A;box-shadow:0 0 0 4px rgba(217,58,58,.22)}
.form-msg{font-size:12.5px;min-height:18px;color:rgba(255,255,255,.92)}
.cta-success{
  display:none;align-items:center;gap:10px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:12px 18px;font-size:14.5px;
}
.cta-form.is-success+.form-msg+.cta-success{display:flex}
.cta-success svg{width:18px;height:18px;flex:0 0 18px}
.cta-note{position:relative;z-index:1;margin-top:18px;font-size:12px;color:rgba(255,255,255,.78)}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;margin-top:64px;padding:56px 0 0}
@media (min-width:1024px){.site-footer{margin-top:96px;padding-top:72px}}
.footer-grid{display:grid;gap:30px;grid-template-columns:minmax(0,1fr)}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}}
.footer-brand .logo-text .t-light{color:rgba(255,255,255,.72)}
.footer-brand p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.62);max-width:30ch;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:rgba(255,92,51,.28);transform:translateY(-2px)}
.footer-social svg{width:19px;height:19px;color:rgba(255,255,255,.82)}
.footer-col details{border:none}
.footer-col summary{list-style:none;cursor:pointer}
.footer-col summary::-webkit-details-marker{display:none}
.footer-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:rgba(255,255,255,.48);
  margin-bottom:14px;
}
.footer-list{display:flex;flex-direction:column;gap:4px}
.footer-link{
  display:inline-flex;align-items:center;min-height:44px;font-size:14.5px;
  color:rgba(255,255,255,.66);
  transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.footer-link:hover{color:#fff;padding-left:6px;text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px}
.footer-contact{font-size:14.5px;color:rgba(255,255,255,.66);line-height:2}
.footer-contact a{transition:color .22s var(--ease)}
.footer-contact a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:4px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
@media (max-width:767px){
  .footer-title{margin-bottom:4px;padding:10px 0}
}