/* roulang page: index */
:root{
  --c-brand:#1567E0;
  --c-brand-strong:#0E4FB4;
  --c-brand-soft:#EAF2FF;
  --c-accent:#FF7A2F;
  --c-accent-strong:#F0641B;
  --c-accent-soft:#FFF0E6;
  --c-mint:#12B49A;
  --c-mint-soft:#E4F7F3;
  --c-bg:#F6F9FE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF5FF;
  --c-ink:#0F1B2E;
  --c-ink-2:#46586F;
  --c-ink-3:#7E8DA4;
  --c-line:#E3EBF7;
  --c-err:#E5484D;
  --c-warn:#F5A524;
  --c-footer:#0C1A2E;
  --c-footer-text:#C7D3E5;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --sh-sm:0 1px 2px rgba(15,27,46,.06);
  --sh-md:0 8px 24px rgba(21,103,224,.08);
  --sh-lg:0 18px 48px rgba(21,103,224,.12);
  --container:1200px;
  --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;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:3px solid rgba(21,103,224,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--plain{background:var(--c-surface)}
h1,h2,h3,h4{color:var(--c-ink);letter-spacing:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3}
.section-sub{font-size:15px;color:var(--c-ink-3);margin-top:8px;max-width:640px}
.link-more{color:var(--c-brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px}
.link-more:hover{color:var(--c-brand-strong)}
.link-more:hover .arw{transform:translateX(2px)}
.arw{transition:transform .2s var(--ease);display:inline-block}

/* 公告条 */
.announce{background:var(--c-brand-soft);border-bottom:1px solid var(--c-line);font-size:14px;color:var(--c-brand-strong)}
.announce-inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:40px;position:relative;text-align:center}
.announce-tag{background:var(--c-brand);color:#fff;border-radius:999px;font-size:12px;padding:2px 10px;font-weight:600}
.announce-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:8px;color:var(--c-brand-strong);display:flex;align-items:center;justify-content:center}
.announce-close:hover{background:rgba(21,103,224,.12)}
.announce.is-hidden{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--c-brand),#3E8BFF);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px;box-shadow:var(--sh-md)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:700;color:var(--c-ink)}
.brand-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.06em}
.nav-search{flex:1;max-width:520px;margin:0 auto}
.search-form{display:flex;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:4px 4px 4px 16px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-form:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(21,103,224,.12)}
.search-icon{color:var(--c-ink-3);flex-shrink:0}
.search-input{flex:1;border:none;background:transparent;height:38px;font-size:14px;outline:none;min-width:0}
.search-input::placeholder{color:var(--c-ink-3)}
.search-kbd{font-size:12px;color:var(--c-ink-3);border:1px solid var(--c-line);border-radius:6px;padding:1px 6px;margin-right:8px}
.search-btn{background:var(--c-brand);color:#fff;border-radius:999px;height:36px;padding:0 18px;font-size:14px;font-weight:600;transition:background .2s var(--ease),transform .2s var(--ease)}
.search-btn:hover{background:var(--c-brand-strong);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:22px;flex-shrink:0}
.nav-link{font-size:15px;color:var(--c-ink-2);position:relative;padding:4px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-cta{border:1.5px solid var(--c-brand);color:var(--c-brand);border-radius:var(--r-md);padding:7px 16px;font-size:14px;font-weight:600;transition:background .2s var(--ease),color .2s var(--ease)}
.nav-cta:hover{background:var(--c-brand-soft)}
.nav-chips{display:flex;gap:10px;overflow-x:auto;padding:10px 0 14px;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{font-size:14px;white-space:nowrap;padding:6px 14px;border-radius:999px;border:1px solid var(--c-line);color:var(--c-ink-2);background:var(--c-surface);transition:all .2s var(--ease)}
.chip:hover{border-color:rgba(21,103,224,.35);color:var(--c-brand)}
.chip.is-active{background:var(--c-brand-soft);color:var(--c-brand);border-color:transparent;font-weight:600}
.mobile-actions{display:none;align-items:center;gap:8px;margin-left:auto}
.icon-btn{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface)}
.icon-btn:hover{color:var(--c-brand);border-color:rgba(21,103,224,.35)}
.mobile-panel{display:none;border-top:1px solid var(--c-line);padding:16px 0 20px;background:var(--c-surface)}
.mobile-panel.is-open{display:block}
.mobile-panel .search-form{margin-bottom:14px}
.mobile-nav-list{display:flex;flex-direction:column;gap:4px;margin-top:12px}
.mobile-nav-list a{padding:12px 4px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-ink-2);min-height:44px;display:flex;align-items:center}
.mobile-nav-list a.is-active{color:var(--c-brand);font-weight:600}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:16px;font-weight:600;transition:all .2s var(--ease);border:1.5px solid transparent}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.24)}
.btn-primary:hover{background:var(--c-accent-strong);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.30)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-brand)}
.btn-secondary:hover{background:var(--c-brand-soft)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{pointer-events:none;opacity:.85}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-text{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{color:var(--c-brand-strong)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;line-height:1.4;padding:3px 10px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand)}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-strong)}
.badge--mint{background:var(--c-mint-soft);color:#0C8A76}
.badge--ghost{background:var(--c-surface-2);color:var(--c-ink-2)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(18,180,154,.18)}

/* Hero */
.hero{position:relative;background:linear-gradient(180deg,var(--c-bg) 0%,#FFFFFF 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(21,103,224,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.16;pointer-events:none}
.hero-inner{position:relative;padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.16;color:var(--c-ink)}
.hero-sub{font-size:17px;line-height:1.7;color:var(--c-ink-2);margin-top:20px;max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-divider{height:1px;background:var(--c-line);margin:40px 0 28px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap}
.stat-num{font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-num em{font-style:normal;color:var(--c-accent)}
.stat-label{font-size:14px;color:var(--c-ink-3);margin-top:6px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-lg)}
.float-card{position:absolute;right:-12px;bottom:-24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-md);padding:16px 20px;min-width:170px}
.float-num{font-size:32px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.1}
.float-label{font-size:13px;color:var(--c-ink-3);margin-top:4px}

/* 功能卡片（瀑布流） */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);display:flex;flex-direction:column}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35)}
.feature-card--wide{grid-column:span 2}
.card-cover{position:relative;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.feature-card:hover .card-cover img{transform:scale(1.04)}
.feature-card .card-cover{aspect-ratio:3/4}
.feature-card--wide .card-cover{aspect-ratio:16/9}
.card-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);backdrop-filter:blur(2px);color:var(--c-brand)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-ink)}
.card-desc{font-size:14px;color:var(--c-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);padding-top:10px;border-top:1px solid var(--c-line)}

/* 三步 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-md)}
.step{padding:36px 32px;position:relative}
.step + .step{border-left:1px dashed var(--c-line)}
.step-num{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:28px;padding:0 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.step-icon{width:40px;height:40px;margin:20px 0 16px;color:var(--c-brand)}
.step h3{font-size:19px;font-weight:600;line-height:1.45}
.step p{font-size:15px;color:var(--c-ink-2);margin-top:10px;min-height:52px}
.step-arrow{position:absolute;right:22px;top:40px;color:var(--c-brand);opacity:.5}

/* 排行 + 数据条 */
.split{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.rank-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:8px 24px}
.rank-item{display:flex;align-items:center;gap:16px;padding:16px 8px;border-bottom:1px solid var(--c-line);border-radius:10px;transition:background .2s var(--ease)}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--c-surface-2)}
.rank-no{width:30px;height:30px;flex-shrink:0;border-radius:9px;background:var(--c-surface-2);color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.rank-item:nth-child(1) .rank-no{background:var(--c-accent);color:#fff}
.rank-item:nth-child(2) .rank-no{background:var(--c-brand);color:#fff}
.rank-item:nth-child(3) .rank-no{background:var(--c-brand-soft);color:var(--c-brand)}
.rank-body{flex:1;min-width:0}
.rank-title{font-size:16px;color:var(--c-ink);font-weight:600;line-height:1.5}
.rank-desc{font-size:13px;color:var(--c-ink-3);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-heat{font-size:13px;color:var(--c-accent-strong);font-weight:600;flex-shrink:0}
.data-panel{background:var(--c-brand-soft);border-radius:var(--r-xl);padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.data-panel .data-cell{background:var(--c-surface);border-radius:var(--r-md);padding:20px}
.data-panel .stat-num{font-size:32px}

/* 案例 */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.case-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.case-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.case-lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.case-lead h3{font-size:20px;font-weight:600;line-height:1.45}
.case-lead p{font-size:15px;color:var(--c-ink-2)}
.case-metrics{display:flex;gap:32px;margin-top:8px;padding-top:16px;border-top:1px solid var(--c-line)}
.case-metrics .stat-num{font-size:28px}
.case-side{display:grid;gap:24px}
.case-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:20px;display:flex;gap:16px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35)}
.case-card img{width:88px;height:88px;border-radius:var(--r-md);object-fit:cover;flex-shrink:0}
.case-card h3{font-size:17px;font-weight:600;line-height:1.45}
.case-card p{font-size:14px;color:var(--c-ink-2);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:stretch}
.news-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.news-lead-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.news-lead-body h3{font-size:20px;font-weight:600;line-height:1.45}
.news-lead-body p{font-size:15px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-3);width:100%;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line)}
.news-list{display:flex;flex-direction:column;justify-content:space-between;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:8px 20px}
.news-item{border-bottom:1px solid var(--c-line);border-radius:10px;transition:background .2s var(--ease)}
.news-item:last-child{border-bottom:none}
.news-item a{display:block;padding:14px 8px}
.news-item:hover{background:var(--c-surface-2)}
.news-item h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item-desc{font-size:13px;color:var(--c-ink-3);margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{padding-top:8px;margin-top:8px;border-top:none}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);text-align:center}
.empty-state svg{color:var(--c-ink-3)}
.empty-state p{font-size:15px;color:var(--c-ink-2)}
.skeleton{background:var(--c-surface-2);border-radius:var(--r-md);animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.55}}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 0 20px 0;font-size:17px;font-weight:600;color:var(--c-ink);position:relative;transition:color .2s var(--ease)}
.faq-q:hover{color:var(--c-brand)}
.faq-q::before{content:"";position:absolute;left:-14px;top:24px;width:3px;height:20px;background:var(--c-brand);border-radius:2px;opacity:0;transition:opacity .2s var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{width:22px;height:22px;flex-shrink:0;color:var(--c-brand);transition:transform .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{font-size:15px;color:var(--c-ink-2);padding:0 0 20px}

/* 表单 CTA */
.cta-panel{background:linear-gradient(160deg,var(--c-surface-2) 0%,#FFFFFF 70%);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:5fr 7fr;gap:48px;box-shadow:var(--sh-md)}
.cta-left h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.cta-left p{font-size:15px;color:var(--c-ink-2);margin-top:12px}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink-2)}
.check-list .tick{width:20px;height:20px;flex-shrink:0;color:var(--c-brand);margin-top:3px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:span 2}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{width:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:13px 16px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input,.field select{height:48px}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(21,103,224,.12)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-err)}
.field-error{font-size:13px;color:var(--c-err);display:none}
.field.has-error .field-error{display:block}
.checkbox-row{grid-column:span 2;display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2)}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-brand);flex-shrink:0}
.form-actions{grid-column:span 2;display:flex;justify-content:flex-end;gap:12px}
.form-success{display:none;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:40px 20px;background:var(--c-mint-soft);border-radius:var(--r-lg)}
.form-success.is-visible{display:flex}
.form-success .ok-icon{width:52px;height:52px;color:var(--c-mint)}
.form-success h3{font-size:19px;font-weight:600}
.form-success p{font-size:15px;color:var(--c-ink-2)}

/* 页脚 */
.site-footer{background:var(--c-footer);color:var(--c-footer-text);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1567E0,#3E8BFF)}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.15}
.footer-brand-text b{color:#fff;font-size:16px}
.footer-brand-text span{font-size:11px;color:#7E8DA4;letter-spacing:.06em}
.footer-col p{font-size:14px;line-height:1.8;color:var(--c-footer-text)}
.footer-col ul{display:flex;flex-direction:column}
.footer-col ul a{display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:var(--c-footer-text)}
.footer-col ul a:hover{color:#fff}
.qr-placeholder{width:96px;height:96px;border-radius:var(--r-md);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:13px;color:#7E8DA4;margin-top:14px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#8FA0B8;flex-wrap:wrap}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:32px;width:48px;height:48px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-md);color:var(--c-brand);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .24s var(--ease);z-index:50}
.back-top.is-visible{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}

/* 响应式 */
@media (max-width:1279px){
  .section{padding:72px 0}
  .feature-grid{grid-template-columns:repeat(3,1fr)}
  .nav-search{max-width:380px}
}
@media (max-width:1023px){
  .nav-search,.nav-links{display:none}
  .mobile-actions{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-inner{padding:48px 0 64px}
  .float-card{right:16px;bottom:-18px}
  .split,.case-grid,.news-grid,.faq-wrap,.cta-panel{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-card--wide{grid-column:span 2}
  .steps{grid-template-columns:1fr}
  .step + .step{border-left:none;border-top:1px dashed var(--c-line)}
  .step-arrow{display:none}
  .cta-panel{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .container{padding:0 16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero-stats{gap:28px}
  .hero-actions .btn{width:100%}
  .hero-media img{aspect-ratio:16/10}
  .data-panel{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .field--full,.checkbox-row,.form-actions{grid-column:span 1}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .news-list{padding:8px 14px}
  .case-card img{width:72px;height:72px}
}
@media (max-width:519px){
  .feature-grid{grid-template-columns:1fr}
  .feature-card--wide{grid-column:span 1}
  .hero-title{font-size:28px}
  .stat-num{font-size:28px}
  .btn{height:46px;font-size:15px}
  .back-top{right:16px;bottom:20px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --c-brand:#1567E0;--c-brand-strong:#0E4FB4;--c-brand-soft:#EAF2FF;
  --c-accent:#FF7A2F;--c-accent-strong:#F0641B;--c-accent-soft:#FFF0E6;
  --c-mint:#12B49A;--c-warn:#F5A524;--c-err:#E5484D;
  --c-bg:#F6F9FE;--c-surface:#FFFFFF;--c-surface-2:#EFF5FF;--c-footer:#0C1A2E;
  --c-ink:#0F1B2E;--c-ink-2:#46586F;--c-ink-3:#7E8DA4;--c-line:#E3EBF7;
  --r-sm:8px;--r-md:12px;--r-lg:18px;--r-xl:24px;--r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,27,46,.06);
  --sh-md:0 8px 24px rgba(21,103,224,.08);
  --sh-lg:0 18px 48px rgba(21,103,224,.12);
  --container:1200px;--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(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(21,103,224,.30);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 公告条 ---------- */
.notice-bar{background:var(--c-brand-soft);color:var(--c-brand-strong);font-size:14px;line-height:1.5;}
.notice-bar.is-hidden{display:none;}
.notice-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:40px;padding:6px 0;}
.notice-inner strong{font-weight:600;}
.notice-close{width:28px;height:28px;border-radius:50%;color:var(--c-brand-strong);display:inline-flex;align-items:center;justify-content:center;transition:background .2s var(--ease);}
.notice-close:hover{background:rgba(21,103,224,.12);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-sm);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;letter-spacing:.5px;box-shadow:var(--sh-md);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);}
.brand-text span{font-size:12px;color:var(--c-ink-3);letter-spacing:1px;}
.search-box{
  flex:1 1 auto;max-width:520px;margin:0 auto;display:flex;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;height:46px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(21,103,224,.12);}
.search-box svg{flex:0 0 auto;color:var(--c-ink-3);}
.search-input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:14px;outline:none;}
.search-input::placeholder{color:var(--c-ink-3);}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{background:var(--c-brand-strong);transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;color:var(--c-ink-2);border-radius:var(--r-sm);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;margin-left:6px;
  border:1.5px solid var(--c-brand);border-radius:var(--r-md);color:var(--c-brand);
  font-size:14px;font-weight:600;transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:var(--c-brand-soft);transform:translateY(-1px);}
.header-tools{display:none;align-items:center;gap:6px;margin-left:auto;}
.icon-toggle{
  width:44px;height:44px;border-radius:var(--r-md);display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-toggle:hover{background:var(--c-brand-soft);color:var(--c-brand);}

/* 分类 chips */
.chip-bar{border-top:1px solid var(--c-line);background:var(--c-surface);}
.chip-row{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);background:var(--c-surface-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.chip:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.chip.is-active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}

/* 移动搜索面板 */
.mobile-search{
  display:none;background:var(--c-surface);border-top:1px solid var(--c-line);
  padding:16px 0 18px;
}
.mobile-search.is-open{display:block;}
.mobile-search .search-box{max-width:none;margin:0;height:48px;}
.mobile-search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:14px;color:var(--c-ink-3);}
.mobile-search-close{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);background:var(--c-surface-2);}
.hot-words{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);padding:14px 0;flex-wrap:nowrap;overflow:hidden;}
.breadcrumb a{transition:color .2s var(--ease);white-space:nowrap;}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:var(--c-ink-3);}
.breadcrumb .current{
  color:var(--c-ink-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 主体布局 ---------- */
.page{padding:40px 0 72px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start;}
@media(max-width:1279px){.layout{grid-template-columns:minmax(0,1fr);}}

/* ---------- 文章头 ---------- */
.article-hero{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:36px 40px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(21,103,224,.10),rgba(21,103,224,0) 70%);
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;position:relative;z-index:1;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:500;
}
.badge.is-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.badge.is-mint{background:rgba(18,180,154,.12);color:var(--c-mint);}
.article-hero h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.28;font-weight:700;letter-spacing:0;
  max-width:840px;position:relative;z-index:1;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:20px;
  font-size:14px;color:var(--c-ink-3);position:relative;z-index:1;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);}
.lead{
  margin-top:22px;padding-top:22px;border-top:1px solid var(--c-line);
  font-size:17px;color:var(--c-ink-2);line-height:1.75;position:relative;z-index:1;
}

/* ---------- 正文 ---------- */
.article-body-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:40px;margin-top:24px;box-shadow:var(--sh-sm);
}
.article-body{max-width:780px;font-size:17px;line-height:1.9;color:var(--c-ink-2);}
.article-body p{margin:0 0 1.5em;}
.article-body h2{
  position:relative;padding-left:16px;margin:40px 0 16px;font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;font-weight:700;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.36em;width:4px;height:20px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:600;color:var(--c-ink);line-height:1.45;}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.4em;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-brand);
}
.article-body ol{list-style:none;counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;counter-increment:li;padding-left:34px;margin-bottom:10px;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.35em;
  color:var(--c-brand);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:0 0 1.5em;padding:20px;background:var(--c-surface-2);
  border-left:3px solid var(--c-brand);border-radius:var(--r-md);color:var(--c-ink-2);
}
.article-body img{width:100%;border-radius:var(--r-md);margin:8px 0 12px;}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(21,103,224,.45);transition:border-color .2s var(--ease);}
.article-body a:hover{border-color:var(--c-brand);}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px;text-align:left;}
.article-body th{background:var(--c-surface-2);font-weight:600;color:var(--c-ink);}
.article-body code{
  background:#F5F7FA;border-radius:10px;padding:2px 6px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
}
.article-body pre{
  background:#F5F7FA;border-radius:10px;padding:16px;overflow-x:auto;margin:0 0 1.5em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
@media(max-width:768px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:48px 20px;gap:14px;color:var(--c-ink-3);
}
.empty-state svg{color:var(--c-ink-3);}
.empty-state p{font-size:15px;color:var(--c-ink-2);}
.empty-state .btn{margin-top:6px;}

/* ---------- 标签与操作 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-ink-2);font-size:13px;transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:rgba(21,103,224,.35);color:var(--c-brand);background:var(--c-brand-soft);transform:translateY(-1px);}
.icon-btn.is-on{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft);}
.icon-btn:active{transform:translateY(0);}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;padding:22px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35);}
.post-nav-card.is-next{text-align:right;}
.pn-label{font-size:13px;color:var(--c-brand);}
.post-nav-card strong{font-size:18px;font-weight:600;color:var(--c-ink);}
.pn-desc{font-size:14px;color:var(--c-ink-3);}
@media(max-width:640px){.post-nav{grid-template-columns:1fr;}.post-nav-card.is-next{text-align:left;}}

/* ---------- 相关推荐 ---------- */
.section{margin-top:48px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.section-head h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--c-ink);}
.section-head .sub{font-size:14px;color:var(--c-ink-3);margin-top:4px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);white-space:nowrap;}
.text-link span{transition:transform .2s var(--ease);}
.text-link:hover span{transform:translateX(3px);}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35);}
.rec-cover{position:relative;aspect-ratio:3/4;background:var(--c-surface-2);overflow:hidden;}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rec-card:hover .rec-cover img{transform:scale(1.04);}
.hot-tag{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(12,26,46,.72);color:#fff;font-size:12px;letter-spacing:.5px;
}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);}
.rec-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.rec-body .meta{margin-top:auto;font-size:13px;color:var(--c-ink-3);}
@media(max-width:1023px){.rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:640px){.rec-grid{grid-template-columns:1fr;}}

/* ---------- 底部 CTA ---------- */
.cta-panel{
  margin-top:48px;display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;
  background:linear-gradient(180deg,var(--c-surface-2),#FFFFFF);
  border:1px solid var(--c-line);border-radius:var(--r-xl);padding:36px 40px;
}
.cta-panel h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--c-ink);line-height:1.35;}
.cta-panel p{margin-top:12px;font-size:15px;color:var(--c-ink-2);}
.check-list{display:grid;gap:10px;margin-top:18px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);}
.check-list svg{flex:0 0 auto;margin-top:6px;color:var(--c-brand);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
@media(max-width:900px){
  .cta-panel{grid-template-columns:1fr;padding:28px 22px;}
  .cta-actions{justify-content:flex-start;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);font-size:16px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--c-accent-strong);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,47,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:var(--c-surface);color:var(--c-brand);border:1.5px solid var(--c-brand);}
.btn-secondary:hover{background:var(--c-brand-soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-brand);padding:0 6px;height:auto;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm);}
.side-card h3{font-size:16px;font-weight:700;color:var(--c-ink);display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-brand);}
.hot-list{margin-top:14px;display:flex;flex-direction:column;}
.hot-item{border-bottom:1px solid var(--c-line);}
.hot-item:last-child{border-bottom:0;}
.hot-item a{display:flex;gap:12px;align-items:flex-start;padding:12px 8px;border-radius:10px;transition:background .2s var(--ease);}
.hot-item a:hover{background:var(--c-surface-2);}
.hot-rank{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;
  width:24px;line-height:1.6;
}
.hot-title{font-size:14px;color:var(--c-ink-2);line-height:1.6;}
.hot-item a:hover .hot-title{color:var(--c-brand);}
.side-cta{background:var(--c-brand-soft);border:1px solid rgba(21,103,224,.18);border-radius:var(--r-lg);padding:22px;}
.side-cta h3{font-size:17px;font-weight:700;color:var(--c-ink);}
.side-cta p{margin-top:10px;font-size:14px;color:var(--c-ink-2);}
.side-cta .btn{width:100%;margin-top:16px;}
@media(max-width:1279px){.sidebar{position:static;}.side-cta{display:none;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:#C7D3E5;margin-top:72px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-brand);}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand-text b{color:#fff;font-size:16px;}
.footer-brand-text span{font-size:12px;color:#8FA3C0;letter-spacing:1px;}
.footer-col p{font-size:14px;color:#9FB0C9;line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-col ul li{margin-bottom:6px;}
.footer-col ul a{display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:#C7D3E5;transition:color .2s var(--ease);}
.footer-col ul a:hover{color:#fff;}
.qr-placeholder{
  margin-top:14px;width:96px;height:96px;border-radius:var(--r-md);border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#8FA3C0;
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8FA3C0;
}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-md);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-brand);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  z-index:70;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--c-brand-soft);}

/* ---------- 提示条 ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--c-ink);color:#fff;font-size:14px;padding:12px 20px;border-radius:var(--r-pill);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);z-index:90;
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .header-inner{height:60px;gap:12px;}
  .search-box,.nav-links{display:none;}
  .header-tools{display:flex;}
  .nav-links.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;
    gap:0;background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:8px 16px 16px;box-shadow:var(--sh-md);
  }
  .nav-links.is-open .nav-link{height:48px;justify-content:flex-start;padding:0 10px;}
  .nav-links.is-open .nav-link::after{display:none;}
  .nav-links.is-open .nav-cta{margin:10px 0 0;justify-content:center;height:46px;}
  .article-hero{padding:26px 22px;border-radius:var(--r-lg);}
  .article-body-wrap{padding:26px 22px;border-radius:var(--r-lg);}
  .page{padding:28px 0 56px;}
  .layout{gap:24px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .article-meta{gap:6px 12px;}
  .back-top{right:16px;bottom:18px;}
  .notice-inner{justify-content:flex-start;text-align:left;}
}

/* roulang page: category1 */
:root{
  --c-brand:#1567E0;
  --c-brand-strong:#0E4FB4;
  --c-brand-soft:#EAF2FF;
  --c-accent:#FF7A2F;
  --c-accent-strong:#F0641B;
  --c-accent-soft:#FFF0E6;
  --c-mint:#12B49A;
  --c-mint-soft:#E4F7F3;
  --c-warn:#F5A524;
  --c-error:#E5484D;
  --c-bg:#F6F9FE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF5FF;
  --c-ink:#0F1B2E;
  --c-ink-2:#46586F;
  --c-ink-3:#7E8DA4;
  --c-line:#E3EBF7;
  --c-footer:#0C1A2E;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --sh-sm:0 1px 2px rgba(15,27,46,.06);
  --sh-md:0 8px 24px rgba(21,103,224,.08);
  --sh-lg:0 18px 48px rgba(21,103,224,.12);
  --container:1200px;
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.16}
h2{font-size:clamp(22px,2.4vw,32px)}
h3{font-size:19px;font-weight:600;line-height:1.45}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t)}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(21,103,224,.30);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding-block:96px}
.section-tight{padding-block:64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--c-brand);background:var(--c-brand-soft);border-radius:999px;padding:5px 14px;line-height:1.4}
.lead{font-size:17px;line-height:1.75;color:var(--c-ink-2)}

/* 顶部公告条 */
.topbar{background:var(--c-brand-soft);color:var(--c-brand-strong);font-size:13.5px;min-height:40px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:center;gap:12px;position:relative}
.topbar a{color:var(--c-brand);font-weight:600;border-bottom:1px solid rgba(21,103,224,.35)}
.topbar a:hover{color:var(--c-brand-strong)}
.topbar-close{position:absolute;right:16px;width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--c-brand);transition:background var(--t)}
.topbar-close:hover{background:rgba(21,103,224,.10)}
.topbar.is-hidden{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.nav-bar{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--c-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.5px;box-shadow:0 6px 16px rgba(21,103,224,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:.2px}
.brand-text span{font-size:12px;color:var(--c-ink-3);letter-spacing:2px}
.nav-search{flex:1 1 auto;max-width:460px;min-width:180px;display:flex;align-items:center;gap:8px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:5px 6px 5px 16px;transition:border-color var(--t),box-shadow var(--t)}
.nav-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(21,103,224,.12)}
.nav-search .search-icon{flex-shrink:0;color:var(--c-ink-3)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;height:36px;font-size:14px;color:var(--c-ink);outline:none}
.nav-search input::placeholder{color:var(--c-ink-3)}
.search-btn{flex-shrink:0;height:36px;padding:0 18px;border-radius:999px;background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;transition:background var(--t),transform var(--t)}
.search-btn:hover{background:var(--c-brand-strong);transform:translateY(-1px)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;flex-shrink:0}
.nav-link{font-size:15px;font-weight:500;color:var(--c-ink-2);position:relative;padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{height:40px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(21,103,224,.45);color:var(--c-brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;transition:background var(--t),border-color var(--t),transform var(--t)}
.nav-cta:hover{background:var(--c-brand-soft);border-color:var(--c-brand);transform:translateY(-1px)}
.nav-tools{display:none;align-items:center;gap:8px;margin-left:auto}
.icon-btn{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);transition:background var(--t),color var(--t),border-color var(--t)}
.icon-btn:hover{background:var(--c-brand-soft);color:var(--c-brand);border-color:rgba(21,103,224,.35)}
.nav-chips{border-top:1px solid var(--c-line);background:var(--c-surface)}
.nav-chips .container{display:flex;align-items:center;gap:10px;overflow-x:auto;padding-block:9px;scrollbar-width:none}
.nav-chips .container::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;font-size:14px;padding:6px 14px;border-radius:999px;color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);white-space:nowrap;transition:background var(--t),color var(--t),border-color var(--t)}
.chip:hover{color:var(--c-brand);border-color:rgba(21,103,224,.35);background:var(--c-brand-soft)}
.chip.is-active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;border-color:transparent}
.mobile-search{display:none;background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:12px 0}
.mobile-search.is-open{display:block}
.mobile-search .container{display:flex;flex-direction:column;gap:10px}
.mobile-search .nav-search{display:flex;max-width:none;width:100%}
.hot-words{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-3)}
.hot-words a{padding:4px 12px;border-radius:999px;background:var(--c-surface-2);color:var(--c-ink-2)}
.hot-words a:hover{color:var(--c-brand);background:var(--c-brand-soft)}

/* 面包屑 */
.crumb{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb .container{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);padding-block:14px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:var(--c-ink-3)}
.crumb .current{color:var(--c-brand);font-weight:600}

/* Hero */
.hero{background:linear-gradient(180deg,var(--c-bg) 0%,#FFFFFF 100%);position:relative;overflow:hidden;padding-block:72px 64px}
.hero::after{content:"";position:absolute;top:-40px;right:-60px;width:420px;height:420px;background-image:radial-gradient(rgba(21,103,224,.30) 1.2px,transparent 1.2px);background-size:18px 18px;opacity:.16;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;position:relative}
.hero-copy h1{max-width:15ch}
.hero-copy .lead{margin-top:18px;max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:16px;font-weight:600;line-height:1;white-space:nowrap;transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px rgba(255,122,47,.26)}
.btn-primary:hover{background:var(--c-accent-strong);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,122,47,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,47,.24)}
.btn-ghost{background:var(--c-surface);color:var(--c-brand);border:1.5px solid rgba(21,103,224,.45)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:15px}
.link-arrow .arw{transition:transform var(--t)}
.link-arrow:hover .arw{transform:translateX(3px)}
.hero-divider{height:1px;background:var(--c-line);margin:32px 0 24px}
.trust-row{display:flex;flex-wrap:wrap;gap:40px}
.trust-item .num{font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.1}
.trust-item .num em{font-style:normal;font-size:16px;color:var(--c-ink-3);margin-left:4px;font-weight:500}
.trust-item p{font-size:14px;color:var(--c-ink-3);margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;height:360px;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-lg)}
.float-card{position:absolute;right:-16px;bottom:-24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-md);padding:16px 20px;min-width:180px}
.float-card .num{font-size:32px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.1}
.float-card p{font-size:13px;color:var(--c-ink-3);margin-top:2px}

/* 分类 pill tabs */
.tabs-bar{padding-block:32px 0}
.tabs{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex-shrink:0;height:42px;padding:0 20px;border-radius:999px;display:inline-flex;align-items:center;font-size:15px;font-weight:500;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);white-space:nowrap;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t)}
.tab:hover{color:var(--c-brand);border-color:rgba(21,103,224,.35);background:var(--c-brand-soft);transform:translateY(-1px)}
.tab.is-active{background:var(--c-brand);color:#fff;border-color:var(--c-brand);box-shadow:0 10px 22px rgba(21,103,224,.24)}

/* 交错图文 */
.flow-section{padding-block:72px 96px}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{margin-top:14px}
.section-head p{margin-top:14px;font-size:17px;color:var(--c-ink-2)}
.flow-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-block:40px}
.flow-block + .flow-block{border-top:1px solid var(--c-line)}
.flow-block.is-rev .flow-media{order:2}
.flow-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-md)}
.flow-media .caption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:12px}
.flow-index{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--c-brand);background:var(--c-brand-soft);border-radius:999px;padding:5px 14px;line-height:1.4}
.flow-body h2{margin-top:16px;font-size:clamp(21px,2.1vw,28px)}
.flow-body p{margin-top:16px;font-size:16px;line-height:1.85}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--c-ink-2);line-height:1.7}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--c-brand-soft)}
.check-list li::after{content:"";position:absolute;left:6px;top:9px;width:8px;height:4px;border-left:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);transform:rotate(-45deg)}

/* 数据条 */
.stats-bar{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:36px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{position:relative;padding-left:18px}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--c-brand)}
.stat .num{font-size:clamp(32px,3.4vw,42px);font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.1}
.stat .num em{font-style:normal;font-size:15px;font-weight:500;color:var(--c-ink-3);margin-left:4px}
.stat p{font-size:14px;color:var(--c-ink-2);margin-top:6px;line-height:1.6}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.scene-head h2{margin-top:14px}
.scene-head p{margin-top:16px;font-size:16px;line-height:1.8}
.scene-head .link-arrow{margin-top:20px}
.scene-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scene-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-md);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35)}
.scene-card h3{margin-top:14px}
.scene-card p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.badge{display:inline-flex;align-items:center;font-size:13px;font-weight:500;line-height:1.4;padding:4px 12px;border-radius:999px;background:var(--c-brand-soft);color:var(--c-brand)}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-strong)}
.badge-mint{background:var(--c-mint-soft);color:#0B8E7A}

/* FAQ */
.faq-section{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-head h2{margin-top:14px}
.faq-head p{margin-top:16px;font-size:16px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 4px;font-size:17px;font-weight:600;color:var(--c-ink);position:relative;transition:color var(--t)}
.faq-q:hover{color:var(--c-brand)}
.faq-q .mark{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:16px;line-height:1;transition:transform var(--t),background var(--t),border-color var(--t)}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:-14px;top:22px;width:3px;height:20px;border-radius:3px;background:var(--c-brand)}
.faq-item.is-open .mark{transform:rotate(45deg);background:var(--c-brand-soft);border-color:transparent}
.faq-a{display:none;font-size:15px;line-height:1.85;color:var(--c-ink-2);padding:0 40px 20px 4px}
.faq-item.is-open .faq-a{display:block}

/* CTA */
.cta-section{padding-block:96px}
.cta-band{background:linear-gradient(180deg,var(--c-surface-2) 0%,#FFFFFF 100%);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-md)}
.cta-band h2{font-size:clamp(21px,2.1vw,28px);max-width:26ch}
.cta-band p{margin-top:12px;font-size:16px;color:var(--c-ink-2);max-width:52ch}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-end;flex-shrink:0}
.cta-note{font-size:13px;color:var(--c-ink-3)}

/* 页脚 */
.site-footer{background:var(--c-footer);color:#C7D3E5;padding-block:64px 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600}
.footer-col p{font-size:14px;line-height:1.8;color:#C7D3E5}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:#C7D3E5;line-height:32px;display:inline-block}
.footer-col ul a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-brand);box-shadow:none}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.1}
.footer-brand-text b{color:#fff;font-size:16px;font-weight:700}
.footer-brand-text span{font-size:12px;color:#8FA3BF;letter-spacing:2px}
.qr-placeholder{margin-top:16px;width:96px;height:96px;border-radius:var(--r-md);border:1px dashed rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;font-size:12px;color:#8FA3BF}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding-block:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA3BF}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-md);color:var(--c-brand);display:inline-flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--t),transform var(--t),visibility var(--t),background var(--t)}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-soft);transform:translateY(-2px)}

/* 状态样式 */
.skeleton{background:var(--c-surface-2);border-radius:var(--r-md);animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
.empty-state{padding:48px 24px;text-align:center;color:var(--c-ink-3);display:flex;flex-direction:column;align-items:center;gap:14px}
.empty-state svg{color:var(--c-ink-3)}
.empty-state p{font-size:15px}
.is-error{color:var(--c-error)}
.is-success{color:var(--c-mint)}

/* 响应式 */
@media (max-width:1279px){
  .flow-block{gap:40px}
  .cta-band{padding:36px 32px}
}
@media (max-width:1023px){
  .section{padding-block:72px}
  .nav-bar{min-height:64px;gap:16px}
  .nav-search{display:none}
  .nav-links{display:none}
  .nav-tools{display:flex}
  .nav-links.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-md);padding:8px 24px 20px;margin-left:0}
  .nav-links.is-open .nav-link{padding:14px 2px;border-bottom:1px solid var(--c-line);font-size:16px}
  .nav-links.is-open .nav-link::after{display:none}
  .nav-links.is-open .nav-cta{margin-top:16px;justify-content:center}
  .hero{padding-block:56px 48px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:300px}
  .float-card{right:16px;bottom:-18px}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow-block{grid-template-columns:1fr;gap:28px}
  .flow-block.is-rev .flow-media{order:0}
  .flow-media img{height:280px}
  .scene-grid{grid-template-columns:1fr;gap:36px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .cta-actions{align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding-block:48px}
  .hero{padding-block:40px 36px}
  .hero-media img{height:240px}
  .hero-divider{margin:24px 0 20px}
  .trust-row{gap:24px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stats-bar{padding:24px 20px;gap:20px}
  .scene-cards{grid-template-columns:1fr}
  .flow-media img{height:220px}
  .flow-block{padding-block:28px}
  .faq-a{padding-right:8px}
  .footer-grid{grid-template-columns:1fr;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  .brand-text b{font-size:15px}
  h1{font-size:28px}
  .btn{font-size:15px;height:46px}
  .float-card{position:static;margin-top:16px;right:auto;bottom:auto;min-width:0}
  .cta-band{padding:24px 20px}
}

/* roulang page: category2 */
:root{
  --c-brand:#1567E0;
  --c-brand-strong:#0E4FB4;
  --c-brand-soft:#EAF2FF;
  --c-accent:#FF7A2F;
  --c-accent-strong:#F0641B;
  --c-accent-soft:#FFF0E6;
  --c-mint:#12B49A;
  --c-bg:#F6F9FE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFF5FF;
  --c-ink:#0F1B2E;
  --c-ink-2:#46586F;
  --c-ink-3:#7E8DA4;
  --c-line:#E3EBF7;
  --c-error:#E5484D;
  --c-warn:#F5A524;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --sh-sm:0 1px 2px rgba(15,27,46,.06);
  --sh-md:0 8px 24px rgba(21,103,224,.08);
  --sh-lg:0 18px 48px rgba(21,103,224,.12);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(21,103,224,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 顶部公告条 */
.topbar{
  background:var(--c-brand-soft);
  color:var(--c-brand-strong);
  font-size:13px;
  line-height:1.4;
}
.topbar .container{display:flex;align-items:center;gap:12px;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar strong{font-weight:600}
.topbar-close{
  margin-left:auto;border:0;background:transparent;color:var(--c-brand-strong);
  width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:16px;line-height:1;
  transition:background .18s var(--ease);
}
.topbar-close:hover{background:rgba(21,103,224,.12)}
.topbar.is-hidden{display:none}

/* 站点头部 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-brand);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.04em;
  box-shadow:0 6px 14px rgba(21,103,224,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text b{font-size:15px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.brand-text span{font-size:11px;color:var(--c-ink-3);letter-spacing:.14em}

/* 搜索主导导航 */
.nav-search{flex:1 1 auto;max-width:520px;min-width:0}
.search-form{
  display:flex;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;
  padding:4px 4px 4px 16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-form:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(21,103,224,.12)}
.search-form .icon{flex:0 0 auto;color:var(--c-ink-3)}
.search-form input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  height:36px;font-size:14px;padding:0 4px;
}
.search-form input::placeholder{color:var(--c-ink-3)}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:999px;
  background:var(--c-brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{background:var(--c-brand-strong);transform:translateY(-1px)}
.search-key{display:none}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-brand);border-radius:2px;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;margin-left:8px;border-radius:999px;
  border:1.5px solid var(--c-brand);color:var(--c-brand);
  font-size:14px;font-weight:600;background:var(--c-surface);
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.nav-cta:hover{background:var(--c-brand-soft);transform:translateY(-1px)}
.nav-toggle,.search-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:10px;cursor:pointer;color:var(--c-ink);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.nav-chips{border-top:1px solid var(--c-line);background:var(--c-surface)}
.chips-scroll{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.chips-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:14px;
  background:var(--c-surface-2);color:var(--c-ink-2);white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.chip:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.chip.is-active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600}

.mobile-search{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:12px 0}
.mobile-search.is-open{display:block}

/* 页面头部 */
.page-hero{position:relative;overflow:hidden;padding:44px 0 34px;background:linear-gradient(180deg,var(--c-bg) 0%,#FFFFFF 100%)}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(135deg,rgba(21,103,224,.06) 0 1px,transparent 1px 14px);
  -webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 100%);
  mask-image:linear-gradient(90deg,transparent 40%,#000 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:18px}
.breadcrumb a{transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:var(--c-line)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-brand);
  font-size:13px;font-weight:500;box-shadow:var(--sh-sm);
}
.page-hero h1{
  margin:18px 0 12px;font-size:clamp(30px,4.2vw,44px);font-weight:700;
  line-height:1.16;color:var(--c-ink);
}
.page-hero .lede{max-width:720px;font-size:17px;line-height:1.7;color:var(--c-ink-2)}
.tabs{display:flex;gap:10px;margin-top:26px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:0 20px;
  border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:500;color:var(--c-ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tab:hover{border-color:rgba(21,103,224,.35);color:var(--c-brand)}
.tab.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}
.tab.is-active:hover{color:#fff}

/* 通用板块 */
.section{padding-bottom:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--c-ink);line-height:1.3}
.section-head p{margin-top:6px;font-size:15px;color:var(--c-ink-3)}

/* 主区 + 侧栏 */
.cat-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px;align-items:start}
.wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(21,103,224,.35)}
.card-media{aspect-ratio:3/2;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.045)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-ink)}
.card-body p{
  font-size:14.5px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 10px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--c-brand-soft);color:var(--c-brand);
}
.badge--accent{background:var(--c-accent-soft);color:#C24E12}
.badge--mint{background:rgba(18,180,154,.12);color:#0B8571}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:2px;
  font-size:14px;font-weight:600;color:var(--c-brand);
  transition:gap .18s var(--ease);
}
.text-link:hover{gap:10px}
.text-link svg{transition:transform .18s var(--ease)}
.text-link:hover svg{transform:translateX(2px)}

/* 侧栏 */
.side{position:sticky;top:150px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-md);
}
.side-card + .side-card{margin-top:24px}
.side-card h3{font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--c-ink-3);margin-bottom:12px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:14.5px;line-height:1.7;color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:2px}
.check-list .tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--c-brand-soft);color:var(--c-brand);
  display:grid;place-items:center;font-size:11px;font-weight:700;
}
.quick-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:10px 0;font-size:15px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.quick-links a:last-child{border-bottom:0}
.quick-links a:hover{color:var(--c-brand);padding-left:4px}
.quick-links .arrow{color:var(--c-ink-3);font-size:14px}
.quick-links a:hover .arrow{color:var(--c-brand)}
.side-cta{
  background:linear-gradient(180deg,var(--c-surface-2),#FFFFFF);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;margin-top:24px;
}
.side-cta h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--c-ink-2);margin-bottom:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-md);border:0;
  font-size:16px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28)}
.btn-primary:hover{background:var(--c-accent-strong);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,47,.26)}
.btn-ghost{background:var(--c-surface);border:1.5px solid var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);transform:translateY(-1px)}
.btn-block{width:100%}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px}
.faq-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:0 20px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(21,103,224,.35)}
.faq-item[open]{box-shadow:var(--sh-md);border-color:rgba(21,103,224,.35)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:19px;width:3px;height:20px;
  background:var(--c-brand);border-radius:2px;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--c-brand)}
.faq-plus{
  flex:0 0 auto;position:relative;width:20px;height:20px;
  transition:transform .2s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{top:0;left:9px;width:2px;height:20px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* CTA 面板 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(180deg,var(--c-surface-2),#FFFFFF);
  border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh-md);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--c-ink);line-height:1.35;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--c-ink-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand);
  display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-md);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-soft)}

/* 页脚 */
.site-footer{background:#0C1A2E;color:#C7D3E5;padding:64px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:#C7D3E5}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--c-brand);color:#fff;width:32px;height:32px;box-shadow:none}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.15}
.footer-brand-text b{font-size:15px;color:#fff;font-weight:700}
.footer-brand-text span{font-size:11px;color:#8FA3BE;letter-spacing:.14em}
.footer-col ul li{margin-bottom:2px}
.footer-col ul a{
  display:inline-flex;align-items:center;min-height:32px;font-size:14px;color:#C7D3E5;
  transition:color .18s var(--ease);
}
.footer-col ul a:hover{color:#fff}
.qr-placeholder{
  margin-top:14px;width:104px;height:104px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;
  font-size:12px;color:#8FA3BE;background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8FA3BE;
}

/* 响应式 */
@media (max-width:1279px){
  .nav-search{max-width:400px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .search-toggle{display:inline-flex;order:3}
  .nav-toggle{display:inline-flex;order:4}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
    padding:12px;box-shadow:var(--sh-md);
  }
  .site-header.nav-open .nav-links{display:flex}
  .nav-link{justify-content:flex-start;padding:0 14px;min-height:48px}
  .nav-link.is-active::after{left:14px;right:auto;width:22px}
  .nav-cta{margin:6px 0 0;height:46px;width:100%}
  .cat-layout{grid-template-columns:1fr;gap:32px}
  .side{position:static}
  .section{padding-bottom:56px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .brand-text b{font-size:14px}
  .brand-text span{font-size:10px;letter-spacing:.1em}
  .page-hero{padding:32px 0 26px}
  .wall{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:479px){
  .page-hero h1{font-size:28px}
  .card-body{padding:18px}
  .side-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
}