/* roulang page: index */
:root{
  --violet:#6C4AB6;
  --violet-deep:#39237D;
  --violet-light:#8E6BF0;
  --amber:#FFB020;
  --mint:#2BB8A0;
  --type-ink:#211A35;
  --body-text:#3E3656;
  --muted-text:#6B6484;
  --line:#E6E0F0;
  --page-bg:#F7F5F0;
  --card-bg:#FFFFFF;
  --dark-section:#221C38;
  --chip-bg:#ECE6F5;
  --chip-hover:#D9D0EB;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 8px 24px rgba(33,26,53,.06);
  --shadow-md:0 14px 36px rgba(33,26,53,.08);
  --shadow-lg:0 22px 48px rgba(33,26,53,.14);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --grad-amber:linear-gradient(135deg,#FF8A3D,#FFC24B);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-stack);background:var(--page-bg);color:var(--body-text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--violet);text-decoration:none;transition:color .25s ease,box-shadow .25s ease,transform .25s ease,background .25s ease;}
a:hover{color:var(--violet-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(108,74,182,.45);outline-offset:2px;border-radius:4px;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{position:relative;padding:96px 0;}
.section-tight{padding:64px 0;}
.grid-container{max-width:1200px;}
.alert-bar{background:#FFF3DC;color:#4A3000;font-size:13px;line-height:1.7;padding:8px 16px;text-align:center;border-bottom:1px solid #F2DDBA;}
.alert-bar .alert-icon{color:#D9822B;margin-right:6px;}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:none;border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(33,26,53,.04);}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;min-height:72px;}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--type-ink);white-space:nowrap;}
.brand-logo:hover{color:var(--violet-deep);}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-amber);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;box-shadow:0 6px 14px rgba(255,138,61,.28);}
.brand-word{font-weight:800;line-height:1.2;color:var(--type-ink);font-size:18px;letter-spacing:.2px;}
.brand-word small{display:block;font-size:13px;font-weight:700;color:var(--violet);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;background:var(--chip-bg);padding:4px;border-radius:40px;overflow-x:auto;scrollbar-width:none;}
.main-nav::-webkit-scrollbar{display:none;}
.nav-chip{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;border-radius:30px;font-size:14px;font-weight:600;color:var(--body-text);white-space:nowrap;background:transparent;transition:background .25s ease,color .25s ease,transform .2s ease;}
.nav-chip:hover{background:var(--chip-hover);color:var(--violet-deep);transform:translateY(-1px);}
.nav-chip.active{background:var(--type-ink);color:#fff;}
.nav-chip.active:hover{background:var(--dark-section);color:#fff;}
.header-cta{margin-left:4px;white-space:nowrap;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;letter-spacing:.2px;border:0;cursor:pointer;text-decoration:none;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;padding:0 24px;height:44px;font-size:15px;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad-amber);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.3);}
.btn-primary:hover{background:linear-gradient(135deg,#FF7A2D,#FFAB36);color:#fff;transform:scale(1.02) translateY(-2px);box-shadow:0 12px 28px rgba(255,138,61,.38);}
.btn-primary:active{transform:scale(.99);}
.btn-secondary{background:#fff;color:var(--violet-deep);border:1.5px solid var(--violet-light);box-shadow:0 6px 16px rgba(108,74,182,.08);}
.btn-secondary:hover{background:#FAF7FF;color:var(--violet-deep);border-color:var(--violet);transform:translateY(-2px);box-shadow:0 10px 20px rgba(108,74,182,.14);}
.btn-ghost{background:var(--dark-section);color:#E4DBFF;border:1px solid rgba(255,255,255,.14);}
.btn-ghost:hover{background:#30254A;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.18);}
.btn-white{background:#fff;color:var(--violet-deep);box-shadow:0 10px 24px rgba(74,39,11,.18);}
.btn-white:hover{background:#FFF9F0;color:var(--dark-section);transform:translateY(-2px);box-shadow:0 12px 30px rgba(74,39,11,.26);}
.hero{position:relative;padding:80px 0 72px;background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;border-bottom:1px solid var(--line);overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(250,248,255,.94) 0%,rgba(247,245,240,.88) 42%,rgba(236,230,245,.68) 100%);z-index:1;}
.hero-content{position:relative;z-index:2;}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(108,74,182,.1);color:var(--violet-deep);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;margin-bottom:18px;}
.hero h1{font-size:44px;line-height:1.32;color:var(--type-ink);font-weight:800;letter-spacing:.2px;margin:0 0 20px;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--body-text);max-width:610px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;padding-top:18px;border-top:1px solid rgba(108,74,182,.18);}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--muted-text);}
.hero-trust i{color:var(--mint);font-size:13px;}
.hero-visual{position:relative;z-index:2;}
.visual-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:18px;margin:10px auto 0;max-width:440px;border:1px solid var(--line);transform:rotate(1.2deg);transition:transform .3s ease,box-shadow .3s ease;}
.visual-card:hover{transform:rotate(0) translateY(-6px);box-shadow:0 28px 56px rgba(33,26,53,.2);}
.visual-card img{border-radius:16px;width:100%;object-fit:cover;}
.visual-card-note{display:flex;align-items:center;justify-content:space-between;padding-top:12px;font-size:13px;color:var(--muted-text);}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--chip-bg);color:var(--violet-deep);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;}
.badge-mint{background:rgba(43,184,160,.14);color:#177D68;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:34px;line-height:1.36;color:var(--type-ink);font-weight:800;letter-spacing:.2px;margin:0 0 14px;}
.eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--violet);font-weight:800;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--violet-light);border-radius:2px;}
.section-sub{color:var(--muted-text);font-size:16px;line-height:1.85;margin:0;}
.card{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease;height:100%;}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.step-card{padding:26px 30px;position:relative;}
.step-header{display:flex;align-items:center;margin-bottom:18px;}
.step-icon{width:42px;height:42px;border-radius:14px;background:rgba(108,74,182,.12);color:var(--violet-deep);display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-right:12px;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0 34px;}
.step-node{text-align:center;position:relative;padding:0 6px;}
.step-node::after{content:"";position:absolute;right:-8px;top:22px;width:16px;height:1.5px;background:var(--line);}
.step-node:last-child::after{display:none;}
.step-dot{width:44px;height:44px;margin:0 auto 10px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--violet-light));color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(108,74,182,.24);}
.step-node h4{font-size:15px;color:var(--type-ink);font-weight:800;margin:0 0 6px;}
.step-node p{font-size:12px;line-height:1.55;color:var(--muted-text);margin:0;}
.step-card-footer{display:flex;justify-content:flex-end;margin-top:10px;}
.mini-cards{display:flex;flex-direction:column;gap:20px;height:100%;}
.mini-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--line);padding:26px;transition:transform .25s ease,box-shadow .25s ease;flex:1;display:flex;flex-direction:column;justify-content:space-between;}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.mini-card .mini-top{margin-bottom:16px;}
.mini-icon{width:44px;height:44px;border-radius:14px;background:rgba(43,184,160,.12);color:var(--mint);display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;}
.mini-icon.violet{background:rgba(108,74,182,.1);color:var(--violet-deep);}
.mini-icon.amber{background:rgba(255,176,32,.13);color:#B47200;}
.mini-card h3{font-size:19px;font-weight:800;color:var(--type-ink);margin:0 0 8px;}
.mini-card p{font-size:14px;line-height:1.75;color:var(--muted-text);margin:0 0 16px;}
.mini-link{font-weight:700;font-size:13px;color:var(--violet-deep);display:inline-flex;align-items:center;gap:6px;}
.mini-link:hover{color:var(--violet);gap:9px;}
.dark-section{background:var(--dark-section);color:#D9D0F2;padding:88px 0;position:relative;overflow:hidden;}
.dark-section::after{content:"◆";position:absolute;right:-40px;bottom:-60px;font-size:240px;color:rgba(255,255,255,.02);pointer-events:none;}
.dark-section .eyebrow{color:#A68EEF;}
.dark-section .section-head h2{color:#fff;}
.dark-section .section-sub{color:#AEA2C8;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;margin-top:20px;}
.stat-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:32px 20px 26px;text-align:center;transition:background .3s ease,transform .3s ease;}
.stat-item:hover{background:rgba(255,255,255,.07);transform:translateY(-4px);}
.stat-num{font-size:64px;line-height:1.1;font-weight:800;color:#fff;letter-spacing:-1.5px;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:22px;font-weight:800;margin-left:4px;color:#FFB020;}
.stat-label{margin-top:8px;font-size:14px;color:#AEA2C8;line-height:1.5;position:relative;padding-top:12px;}
.stat-label::before{content:"";display:block;width:24px;height:2px;background:#FFB020;border-radius:2px;margin:0 auto 12px;}
.scene-list{display:flex;flex-direction:column;gap:48px;}
.scene-row{display:flex;align-items:center;gap:52px;}
.scene-row.reverse{flex-direction:row-reverse;}
.scene-visual{flex:0 0 44%;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:box-shadow .25s ease,transform .25s ease;}
.scene-visual:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.scene-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.scene-content{flex:1;}
.scene-content .scene-tag{margin-bottom:14px;}
.scene-content h3{font-size:26px;line-height:1.4;color:var(--type-ink);font-weight:800;margin:0 0 14px;}
.scene-content p{font-size:16px;line-height:1.9;color:var(--muted-text);margin:0 0 18px;max-width:560px;}
.scene-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--violet-deep);padding-bottom:4px;border-bottom:2px solid var(--violet-light);}
.scene-link:hover{color:var(--violet);border-color:var(--violet);}
.news-section{background:#F1ECF8;padding:88px 0;}
.news-section .section-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:14px;}
.link-more{color:var(--violet-deep);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{color:var(--violet);gap:10px;}
.news-main-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s ease,box-shadow .3s ease;height:100%;border:1px solid var(--line);}
.news-main-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.news-main-card .news-img-wrap{position:relative;overflow:hidden;}
.news-main-card .news-img-wrap img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .5s ease;}
.news-main-card:hover .news-img-wrap img{transform:scale(1.03);}
.news-tag{position:absolute;bottom:14px;left:14px;background:rgba(33,26,53,.78);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;backdrop-filter:none;}
.news-main-body{padding:22px 22px 24px;}
.news-main-body h3{font-size:20px;line-height:1.5;color:var(--type-ink);font-weight:800;margin:0 0 10px;}
.news-main-body p{font-size:14px;line-height:1.8;color:var(--muted-text);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted-text);font-variant-numeric:tabular-nums;}
.news-meta i{color:var(--violet-light);}
.side-news-list{display:flex;flex-direction:column;gap:14px;}
.news-list-item{display:flex;align-items:center;gap:14px;background:#fff;border-radius:18px;padding:12px 12px;border:1px solid rgba(230,224,240,.8);transition:transform .2s ease,box-shadow .2s ease;width:100%;text-align:left;}
.news-list-item:hover{transform:translateX(3px);box-shadow:var(--shadow-sm);}
.news-list-item .thumb{width:82px;height:66px;flex-shrink:0;border-radius:12px;overflow:hidden;}
.news-list-item .thumb img{width:100%;height:100%;object-fit:cover;}
.news-list-item .list-body{min-width:0;flex:1;}
.news-list-item h4{font-size:14px;line-height:1.45;color:var(--type-ink);font-weight:800;margin:0 0 5px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-list-item .list-summary{font-size:12px;color:var(--muted-text);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0 0 4px;}
.news-list-item .list-time{font-size:11px;color:var(--muted-text);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:4px;}
.empty-state{border:2px dashed #B6A8D8;background:rgba(255,255,255,.42);border-radius:var(--radius-lg);padding:48px 30px;text-align:center;color:var(--muted-text);}
.empty-state .empty-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:20px;background:var(--chip-bg);color:var(--violet);display:flex;align-items:center;justify-content:center;font-size:24px;}
.empty-state p{margin:0 0 6px;font-size:15px;font-weight:600;color:var(--body-text);}
.empty-state span{font-size:13px;color:var(--muted-text);}
.guide-wrap{display:grid;grid-template-columns:260px 1fr;gap:46px;align-items:start;}
.guide-side{position:sticky;top:96px;}
.guide-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px 22px;}
.guide-nav h4{font-size:14px;color:var(--muted-text);font-weight:700;letter-spacing:.5px;margin:0 0 18px;}
.guide-nav-list li{margin-bottom:4px;}
.guide-nav-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;font-size:14px;font-weight:600;color:var(--body-text);}
.guide-nav-list a i{color:var(--violet);width:16px;text-align:center;}
.guide-nav-list a:hover{background:var(--chip-bg);color:var(--violet-deep);}
.method-list{display:flex;flex-direction:column;gap:22px;}
.method-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px 30px;display:flex;gap:22px;transition:box-shadow .25s ease,transform .25s ease;}
.method-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.method-index{flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--violet-light));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;box-shadow:0 8px 18px rgba(108,74,182,.22);}
.method-body{flex:1;}
.method-body h3{font-size:20px;font-weight:800;color:var(--type-ink);margin:0 0 12px;}
.method-body ol{margin:10px 0 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px;}
.method-body ol li{position:relative;padding-left:24px;font-size:14px;line-height:1.7;color:var(--body-text);}
.method-body ol li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--violet-light);}
.guide-bottom{margin-top:34px;text-align:right;}
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion.faq-accordion{background:transparent;border:none;margin:0;}
.accordion.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease;box-shadow:0 4px 14px rgba(33,26,53,.03);}
.accordion.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-sm);}
.accordion-title{background:#fff !important;border:none !important;color:var(--type-ink) !important;font-weight:700;font-size:17px;line-height:1.6;padding:20px 44px 20px 22px;position:relative;min-height:0;border-bottom:1px solid transparent !important;}
.accordion-title::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--violet);font-size:15px;transition:transform .3s ease;background:rgba(108,74,182,.08);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;}
.accordion-item.is-active .accordion-title::before{content:"\f068";transform:translateY(-50%) rotate(180deg);}
.accordion.faq-accordion .accordion-content{border:none !important;background:#fff !important;color:var(--body-text);padding:4px 22px 22px;font-size:15px;line-height:1.85;}
.accordion.faq-accordion .accordion-content p{margin:0;}
.cta-banner{background:linear-gradient(120deg,#FF8A3D,#FFC24B);border-radius:32px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:0 20px 46px rgba(255,138,61,.24);}
.cta-banner h2{font-size:26px;line-height:1.45;color:#3D2400;font-weight:800;margin:0 0 8px;}
.cta-banner p{font-size:16px;color:#5C3A08;margin:0;max-width:580px;}
.cta-banner .btn{flex-shrink:0;}
.footer{background:#221C38;color:#AEA2C8;padding:72px 0 0;margin-top:96px;position:relative;}
.footer::before{content:"";display:block;height:4px;width:100%;position:absolute;top:0;left:0;background:linear-gradient(90deg,#6C4AB6,#FFB020,#2BB8A0);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:48px;}
.footer h4{color:#fff;font-size:16px;font-weight:800;margin:0 0 18px;}
.footer-logo{color:#fff;font-size:20px;font-weight:800;display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad-amber);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;}
.footer-desc{font-size:14px;line-height:1.85;margin-bottom:18px;max-width:300px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:#CDC2E8;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:7px;}
.footer-list a:hover{color:#fff;padding-left:2px;}
.footer-safe{background:rgba(255,255,255,.04);padding:18px;border-radius:16px;border:1px solid rgba(255,255,255,.06);font-size:13px;line-height:1.8;color:#CDC2E8;}
.footer-safe i{color:#2BB8A0;margin-right:5px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:12px;color:#8A7FA8;}
@media screen and (max-width:1024px){
.section{padding:72px 0;}
.hero{padding:64px 0 64px;}
.hero h1{font-size:38px;}
.header-inner{grid-template-columns:1fr auto;gap:10px 16px;padding:12px 0;}
.main-nav{grid-column:1/-1;order:3;justify-content:flex-start;width:100%;border-radius:26px;}
.brand-logo .brand-word{font-size:16px;}
.steps-grid{grid-template-columns:repeat(2,1fr);gap:22px 16px;}
.step-node::after{display:none;}
.stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
.stat-num{font-size:52px;}
.scene-row{flex-direction:column;gap:24px;align-items:flex-start;}
.scene-row.reverse{flex-direction:column;}
.scene-visual{flex:0 0 100%;width:100%;}
.guide-wrap{grid-template-columns:1fr;gap:32px;}
.guide-side{position:static;}
.guide-nav h4{margin-bottom:12px;}
.footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:640px){
.section{padding:56px 0;}
.hero h1{font-size:32px;line-height:1.4;}
.hero-lead{font-size:15px;}
.hero-actions .btn{width:100%;justify-content:center;}
.section-head h2{font-size:27px;}
.cta-banner{padding:34px 24px;text-align:center;}
.cta-banner .btn{width:100%;}
.footer-grid{grid-template-columns:1fr;gap:32px;}
.footer{padding-top:48px;}
.header-cta{padding:0 16px;font-size:14px;height:38px;}
.brand-mark{width:32px;height:32px;font-size:13px;border-radius:10px;}
.brand-word{font-size:15px;}
.brand-word small{font-size:12px;}
.header-inner{padding-top:10px;}
.scene-content h3{font-size:22px;}
.news-main-body h3{font-size:17px;}
.news-list-item .thumb{width:68px;height:56px;}
.method-card{flex-direction:column;gap:12px;padding:22px;}
.step-card{padding:22px 18px;}
.mini-card{padding:22px 18px;}
}

/* roulang page: article */
:root {
  --violet: #6C4AB6;
  --violet-deep: #39237D;
  --violet-bright: #8E6BF0;
  --violet-tint: #F1ECF8;
  --violet-chip: #ECE6F5;
  --amber: #FFB020;
  --amber-start: #FF8A3D;
  --amber-end: #FFC24B;
  --mint: #2BB8A0;
  --ink: #211A35;
  --body-text: #3E3656;
  --muted-text: #6B6484;
  --line: #E6E0F0;
  --page-bg: #F7F5F0;
  --card-bg: #FFFFFF;
  --dark-section: #221C38;
  --dark-section-2: #2a2347;
  --radius-xl: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 14px 36px rgba(33, 26, 53, .08);
  --shadow-card-lg: 0 18px 48px rgba(33, 26, 53, .14);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--body-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease; }
ul, ol { margin: 0 0 1rem 1.2rem; padding: 0; }
button, input, textarea, select { font-family: inherit; }

.grid-container { max-width: 1200px; padding-left: 24px; padding-right: 24px; margin-left: auto; margin-right: auto; width: 100%; }
.grid-x { display: flex; flex-wrap: wrap; }
.cell { flex: 0 0 auto; min-height: 0; }

:focus-visible {
  outline: 3px solid rgba(255, 176, 32, .55);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  line-height: 1;
  padding: 0 22px;
  height: 48px;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: .01em;
  transition: transform .2s ease, box-shadow .2s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--amber-start), var(--amber-end));
  color: #211A35;
  box-shadow: 0 8px 20px rgba(255, 138, 61, .28);
}
.btn-primary:hover, .btn-primary:focus {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 28px rgba(255, 138, 61, .36);
  color: #211A35;
}
.btn-secondary {
  background: #fff;
  border-color: var(--violet);
  color: var(--violet-deep);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--violet-tint);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(57, 35, 125, .12);
  color: var(--violet-deep);
}
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .28);
  color: #fff;
}
.btn-ghost:hover, .btn-ghost:focus {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .48);
  transform: translateY(-2px);
}
.btn-xl { height: 56px; padding: 0 32px; font-size: 16px; border-radius: 999px; }

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  gap: 6px;
  white-space: nowrap;
}
.tag-violet { background: var(--violet-tint); color: var(--violet-deep); }
.tag-amber { background: #FFF3D8; color: #A85D00; }
.tag-mint { background: #E2F6F2; color: #158575; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .95);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 14px rgba(33, 26, 53, .06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 10px 20px rgba(108, 74, 182, .25);
}
.brand-word {
  font-weight: 900;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
  letter-spacing: .01em;
}
.brand-word small {
  font-size: 12px;
  font-weight: 800;
  color: var(--violet);
  letter-spacing: .08em;
}
.brand-logo:hover .brand-mark { transform: translateY(-2px); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--violet-chip);
  padding: 6px;
  border-radius: 999px;
}
.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--body-text);
  white-space: nowrap;
}
.nav-chip:hover { background: #D9D0EB; color: var(--ink); }
.nav-chip.active {
  background: var(--dark-section);
  color: #fff;
  box-shadow: 0 6px 16px rgba(33, 26, 53, .22);
}
.header-cta { height: 42px; padding: 0 18px; font-size: 14px; flex: 0 0 auto; }

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  padding: 20px 0 6px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-text);
}
.breadcrumb a { color: var(--muted-text); }
.breadcrumb a:hover { color: var(--violet); }
.breadcrumb i { font-size: 10px; color: #B7AED0; }
.breadcrumb .current { color: var(--ink); font-weight: 700; max-width: 460px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 文章标题首屏 ===== */
.article-stage {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, .96) 0%, rgba(241, 236, 248, .88) 55%, rgba(255, 255, 255, .96) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.article-title-area { padding: 36px 0 44px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.post-title {
  font-size: 42px;
  line-height: 1.3;
  font-weight: 900;
  color: var(--ink);
  margin: 0 0 20px;
  letter-spacing: -.01em;
  max-width: 960px;
}
.post-summary {
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted-text);
  max-width: 880px;
  margin: 0 0 22px;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  color: var(--muted-text);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.post-meta span { display: inline-flex; align-items: center; gap: 7px; }
.post-meta i { color: var(--violet); }

/* ===== 封面图 ===== */
.article-cover-wrap { padding: 30px 0 18px; }
.article-figure {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card-lg);
  margin: 0;
  background: #fff;
}
.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
.article-figure figcaption {
  padding: 12px 18px 14px;
  font-size: 13px;
  color: var(--muted-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.article-figure figcaption i { color: var(--violet); }

/* ===== 正文区布局 ===== */
.article-main-area { padding: 34px 0 60px; }
.article-content-col { margin-bottom: 40px; }
.article-aside-col { min-width: 0; }

/* 目录信息卡 */
.toc-card {
  position: sticky;
  top: 100px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}
.toc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}
.toc-title i { color: var(--violet); }
.toc-remark { font-size: 13px; color: var(--muted-text); border-bottom: 1px dashed var(--line); padding-bottom: 14px; margin-bottom: 14px; }
.toc-list { list-style: none; margin: 0; padding: 0; }
.toc-list li { margin: 0; }
.toc-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 4px;
  border-radius: 10px;
  color: var(--body-text);
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px solid #F3EFF8;
}
.toc-list a i { color: var(--violet-bright); font-size: 12px; width: 14px; }
.toc-list a:hover { background: var(--violet-tint); color: var(--violet-deep); padding-left: 10px; }
.toc-backtop {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
  height: 38px;
  border-radius: 999px;
  background: var(--violet-tint);
  color: var(--violet-deep);
  font-size: 13px;
  font-weight: 800;
}
.toc-backtop:hover { background: var(--violet); color: #fff; }

/* 正文排版 */
.article-content {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  padding: 52px 56px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--body-text);
  overflow-wrap: break-word;
}
.article-content p { margin: 0 0 1.15rem; max-width: 100%; }
.article-content strong, .article-content b { color: var(--ink); font-weight: 800; }
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--ink);
  font-weight: 900;
  line-height: 1.4;
  margin-top: 0;
}
.article-content h2 {
  margin: 2rem 0 1.2rem;
  padding-top: 1.4rem;
  border-top: 2px solid var(--violet-tint);
  font-size: 28px;
}
.article-content h3 { font-size: 22px; margin: 1.8rem 0 .9rem; }
.article-content h4 { font-size: 19px; margin: 1.5rem 0 .7rem; }
.article-content a { color: var(--violet); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: #C4B2E8; }
.article-content a:hover { color: var(--violet-deep); text-decoration-color: var(--violet); }
.article-content img { border-radius: var(--radius-md); margin: 1.6rem 0; box-shadow: var(--shadow-card); width: auto; }
.article-content blockquote {
  margin: 1.6rem 0;
  padding: 18px 20px;
  background: var(--violet-tint);
  border-left: 5px solid var(--violet);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--body-text);
  font-size: 16px;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content ul,
.article-content ol { margin: 0 0 1.4rem 1.4rem; padding: 0; }
.article-content li { margin-bottom: .45rem; padding-left: 2px; }
.article-content ol li::marker { color: var(--violet); font-weight: 800; }
.article-content table { border-collapse: collapse; width: 100%; margin: 1.6rem 0; background: #fff; border-radius: var(--radius-md); overflow: hidden; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; font-size: 15px; }
.article-content th { background: var(--violet-tint); color: var(--violet-deep); font-weight: 800; }
.article-content hr { border: none; border-top: 1px solid var(--line); margin: 2rem 0; }
.article-content code { font-family: "SFMono-Regular", Consolas, monospace; background: #F4F0FA; padding: 2px 8px; border-radius: 6px; font-size: .9em; color: var(--violet-deep); }

/* 文末信息栏 */
.article-end-bar { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-end-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.article-end-line {
  font-size: 13px;
  color: var(--muted-text);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  font-variant-numeric: tabular-nums;
}
.article-end-line span { display: inline-flex; align-items: center; gap: 6px; }

/* ===== 相关推荐区 ===== */
.related-section { background: var(--violet-tint); padding: 64px 0; }
.related-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.related-head h2 { font-size: 30px; color: var(--ink); font-weight: 900; margin: 0; }
.related-head p { color: var(--muted-text); font-size: 14px; margin: 0; }
.related-list { display: flex; flex-wrap: wrap; margin: -12px; }
.related-item { width: calc(50% - 24px); margin: 12px; background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-card); transition: transform .25s ease, box-shadow .25s ease; }
.related-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-lg); }
.related-thumb { display: block; overflow: hidden; }
.related-thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .4s ease; }
.related-item:hover .related-thumb img { transform: scale(1.04); }
.related-body { padding: 20px 22px 22px; }
.related-body .tag { margin-bottom: 10px; }
.related-body h3 { margin: 0 0 10px; font-size: 19px; line-height: 1.5; font-weight: 900; color: var(--ink); }
.related-body h3 a:hover { color: var(--violet); }
.related-body p { font-size: 14px; color: var(--muted-text); line-height: 1.75; margin: 0 0 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { font-size: 13px; color: var(--muted-text); display: flex; align-items: center; gap: 8px; }
.related-meta i { color: var(--violet); }

/* 返回入口 */
.return-entry {
  background: linear-gradient(120deg, var(--amber-start), var(--amber-end));
  border-radius: var(--radius-md);
  padding: 42px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.return-entry h3 { margin: 0 0 8px; font-size: 22px; font-weight: 900; color: #211A35; }
.return-entry p { margin: 0; font-size: 14px; color: #5D3A0E; max-width: 560px; }
.return-entry .btn-light {
  background: #fff;
  color: #211A35;
  height: 50px;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(33, 26, 53, .08);
  transition: transform .2s ease, box-shadow .2s ease;
}
.return-entry .btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(33, 26, 53, .16); }

/* ===== 未找到文章 ===== */
.notfound-section { padding: 72px 0 88px; }
.notfound-box {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  box-shadow: var(--shadow-card);
}
.nf-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 74px;
  height: 74px;
  border-radius: 26px;
  background: var(--violet-tint);
  color: var(--violet);
  font-size: 28px;
  margin-bottom: 22px;
}
.notfound-box h1 { font-size: 30px; font-weight: 900; color: var(--ink); margin: 0 0 12px; }
.notfound-box > p { color: var(--muted-text); max-width: 480px; margin: 0 auto 30px; font-size: 16px; }
.nf-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark-section);
  color: rgba(255, 255, 255, .78);
  padding-top: 64px;
  background-image: radial-gradient(circle at 15% 30%, rgba(108, 74, 182, .22), transparent 36%), radial-gradient(circle at 80% 0%, rgba(255, 176, 32, .12), transparent 26%);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 42px;
  padding-bottom: 44px;
}
.footer-logo {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  line-height: 1.35;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-logo .brand-mark { box-shadow: none; }
.footer-desc { font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, .68); max-width: 340px; margin: 0; }
.footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: .04em;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; border-radius: 4px; background: linear-gradient(90deg, var(--violet-bright), var(--amber)); }
.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li { margin-bottom: 4px; }
.footer-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}
.footer-list a i { font-size: 11px; color: var(--violet-bright); }
.footer-list a:hover { color: #fff; padding-left: 4px; }
.footer-safe { font-size: 13px; line-height: 1.75; color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); border-radius: 16px; padding: 16px; }
.footer-safe i { color: var(--amber); margin-right: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, .46);
  font-variant-numeric: tabular-nums;
  flex-wrap: wrap;
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .header-inner { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; row-gap: 10px; }
  .main-nav { order: 3; width: 100%; justify-content: center; overflow-x: auto; }
  .nav-chip { flex: 0 0 auto; }
  .article-content-col { margin-bottom: 30px; }
  .article-content { padding: 44px 36px; }
  .post-title { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .header-inner { justify-content: space-between; }
  .brand-word { font-size: 17px; }
  .header-cta { display: none; }
  .main-nav { justify-content: flex-start; padding: 5px; }
  .nav-chip { height: 34px; padding: 0 14px; }
  .article-title-area { padding: 26px 0 28px; }
  .post-title { font-size: 30px; }
  .post-summary { font-size: 16px; }
  .article-cover-wrap { padding: 6px 0 10px; }
  .article-figure img { aspect-ratio: 16 / 9; }
  .article-content { padding: 30px 22px; font-size: 16px; line-height: 1.85; }
  .article-content h2 { font-size: 24px; }
  .article-content h3 { font-size: 20px; }
  .article-main-area { padding-top: 10px; }
  .related-head { flex-direction: column; align-items: flex-start; }
  .related-item { width: calc(100% - 24px); }
  .return-entry { padding: 32px 26px; flex-direction: column; }
  .footer { padding-top: 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .header-inner { gap: 8px; }
  .brand-mark { width: 36px; height: 36px; font-size: 15px; }
  .brand-word { font-size: 15px; }
  .brand-word small { font-size: 10px; }
  .nav-chip { font-size: 13px; padding: 0 10px; }  
  .article-content-col .cell, .article-aside-col .cell { width: 100% !important; margin-left: 0 !important; margin-right: 0 !important; }
}

/* roulang page: category1 */
:root{
  --violet:#6C4AB6;
  --deep:#39237D;
  --light:#8E6BF0;
  --amber:#FFB020;
  --amber2:#FF8A3D;
  --mint:#2BB8A0;
  --ink:#211A35;
  --body:#3E3656;
  --muted:#6B6484;
  --line:#E6E0F0;
  --page:#F7F5F0;
  --card:#FFFFFF;
  --dark:#221C38;
  --r-lg:24px;
  --r-md:16px;
  --shadow:0 14px 36px rgba(33,26,53,.08);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--body);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:var(--violet);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--deep)}
button,input,textarea{font-family:inherit}
.grid-container{max-width:75rem}
.skip-link{position:absolute;left:-9999px;top:0;z-index:2000;background:#fff;color:var(--deep);padding:12px 20px;border-radius:0 0 12px 0}
.skip-link:focus{left:0;color:var(--deep);display:block}
:focus-visible{outline:3px solid rgba(108,74,182,.55);outline-offset:2px;border-radius:6px}

/* top alert */
.site-alert{background:var(--mint);color:#10332c;font-size:14px;line-height:1.6}
.alert-inner{display:flex;align-items:center;justify-content:center;gap:12px;padding:9px 20px;flex-wrap:wrap;text-align:center}
.alert-icon{width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.45);display:flex;align-items:center;justify-content:center}
.alert-icon i{font-size:13px;color:#065d50}
.site-alert strong{color:#003c32}
.alert-link{margin-left:4px;color:#003c32;font-weight:700;border-bottom:1px solid rgba(0,60,50,.4)}
.alert-link:hover{color:#181a32;border-color:#181a32}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 4px 22px rgba(33,26,53,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;min-height:72px;padding-top:8px;padding-bottom:8px}
.brand-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--violet),var(--deep));color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 8px 18px rgba(57,35,125,.28)}
.brand-mark i{font-size:18px}
.brand-word{font-size:21px;font-weight:900;color:var(--ink);line-height:1.12;letter-spacing:.5px}
.brand-word small{display:block;font-size:12px;font-weight:800;color:var(--muted);letter-spacing:.3em;margin-top:3px;text-transform:uppercase}
.main-nav{display:flex;gap:6px;align-items:center;justify-content:center;flex-wrap:wrap}
.nav-chip{display:inline-flex;align-items:center;justify-content:center;padding:9px 17px;border-radius:999px;background:#ECE6F5;color:var(--body);font-size:14px;font-weight:700;line-height:1.4;border:1px solid transparent;transition:all .25s ease;white-space:nowrap}
.nav-chip:hover{background:#D9D0EB;color:var(--deep)}
.nav-chip.active{background:var(--dark);color:#fff;border-color:var(--dark)}
.header-cta{flex:0 0 auto;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 22px;border:1px solid transparent;font-size:15px;font-weight:800;line-height:1.3;cursor:pointer;text-align:center;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,#FF8A3D,#FFC24B);color:#261b13;box-shadow:0 10px 24px rgba(255,138,61,.3)}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);color:#140e09;box-shadow:0 14px 30px rgba(255,138,61,.38)}
.btn-outline{background:#fff;border:1px solid #D9D0EB;color:var(--deep)}
.btn-outline:hover{border-color:var(--violet);background:#F8F6FF;color:var(--deep);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--deep);box-shadow:0 12px 26px rgba(60,35,90,.2)}
.btn-white:hover{background:#F1ECF8;color:var(--deep);transform:translateY(-2px)}
.btn-dark{background:var(--dark);color:#fff;border-color:rgba(255,255,255,.18)}
.btn-dark:hover{background:#2e2747;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.28);color:#eee8fb}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.7)}

/* section base */
.section{padding:96px 0}
.section-soft{background:#F1ECF8}
.section-white{background:#fff}
.section-label{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#F3EFFF;border:1px solid #D9D0EB;border-radius:999px;color:var(--violet);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:14px}
.section-label i{font-size:12px}
.section-head{margin-bottom:50px}
.section-head.no-bg .section-label{background:#fff}
.section-title{font-size:clamp(28px,4vw,38px);font-weight:900;color:var(--ink);line-height:1.25;margin:10px 0 16px}
.section-desc{max-width:820px;color:var(--body);font-size:17px;line-height:1.85;margin:0}
.section-head.light .section-title{color:#fff}
.section-head.light .section-desc{color:rgba(255,255,255,.74)}

/* hero */
.category-hero{position:relative;background-size:cover;background-position:center;overflow:hidden;min-height:520px;display:flex;align-items:center}
.category-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.94) 15%,rgba(244,239,255,.84) 55%,rgba(108,74,182,.25) 100%)}
.category-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--violet),transparent)}
.category-hero .grid-container{position:relative;z-index:2;padding-top:48px;padding-bottom:48px;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(108,74,182,.1);border:1px solid rgba(108,74,182,.2);padding:6px 16px;border-radius:999px;color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:22px}
.hero-tag i{color:var(--violet)}
.category-hero h1{font-size:clamp(34px,5.6vw,56px);line-height:1.2;font-weight:900;color:var(--ink);max-width:940px;margin:0 0 22px}
.hero-lead{max-width:780px;font-size:17px;line-height:1.9;color:#332a46;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 38px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;margin-top:8px}
.metric-item{border-left:1px solid #D9D0EB;padding:0 20px;flex:0 0 auto}
.metric-item:first-child{border-left:0;padding-left:0}
.metric-num{display:block;font-size:24px;font-weight:900;color:var(--deep);line-height:1.2}
.metric-label{display:block;font-size:13px;color:var(--muted)}

/* quick index / steps */
.steps-shell{padding:96px 0;background:#fff}
.section-anchor-id{position:relative;top:-120px}
.steps-card{height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.steps-card-head{display:flex;align-items:center;gap:14px;padding:28px 30px 8px;border-bottom:1px dashed var(--line)}
.steps-card-head i{width:42px;height:42px;flex:0 0 auto;border-radius:14px;background:linear-gradient(135deg,var(--violet),var(--deep));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.steps-card h3{font-size:22px;font-weight:900;color:var(--ink);margin:0;line-height:1.4}
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:18px 26px 24px;flex:1}
.step-unit{position:relative;padding:16px 16px 12px;border-right:1px dashed var(--line)}
.step-unit:last-child{border-right:0}
.step-num{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:30px;padding:0 12px;background:#F3EFFF;border:1px solid #D9D0EB;border-radius:999px;color:var(--violet);font-size:14px;font-weight:900;margin-bottom:12px}
.step-unit h4{font-size:16px;font-weight:900;color:var(--ink);margin:0 0 8px;line-height:1.45}
.step-unit p{color:var(--muted);font-size:13.5px;line-height:1.75;margin:0}
.handy-card{height:100%;display:flex;flex-direction:column;background:linear-gradient(180deg,#FBF9FF,#F3EEFB);border:1px solid #D9D0EB;border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow)}
.handy-hint{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#7c58c2;letter-spacing:.05em;margin-bottom:18px}
.handy-card h3{font-size:24px;font-weight:900;color:var(--ink);line-height:1.35;margin:0 0 12px}
.handy-card>p{font-size:14.5px;line-height:1.8;color:var(--body);margin-bottom:20px}
.rescue-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.rescue-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border-radius:16px;padding:14px 15px;border:1px solid var(--line);transition:box-shadow .25s ease,transform .25s ease}
.rescue-list li:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(33,26,53,.06)}
.rescue-list .rescue-icon{width:30px;height:30px;flex:0 0 auto;border-radius:10px;background:#E5F8F4;color:#0e8a70;display:flex;align-items:center;justify-content:center;font-size:14px}
.rescue-list strong{display:block;font-size:15px;font-weight:800;color:var(--ink);line-height:1.4}
.rescue-list span{color:var(--muted);font-size:13px;line-height:1.7}

/* safety section */
.safety-section{background:#F7F4EE}
.security-main-card{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);padding:28px;height:100%}
.security-main-card .section-label{margin-bottom:18px}
.security-title{font-size:26px;font-weight:900;color:var(--ink);line-height:1.35;margin:0 0 8px}
.security-sub{font-size:15px;color:var(--muted);margin-bottom:26px}
.check-list{display:flex;flex-direction:column;gap:16px}
.check-item{display:flex;align-items:flex-start;gap:16px;background:#FAF8FF;border:1px solid var(--line);border-radius:18px;padding:18px 18px;transition:box-shadow .25s ease,background .25s ease}
.check-item:hover{background:#fff;box-shadow:0 8px 24px rgba(33,26,53,.06)}
.check-icon{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,#6C4AB6,#39237D);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:18px;margin-top:2px}
.check-content h4{margin:4px 0 6px;font-size:17px;font-weight:900;color:var(--ink)}
.check-content p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}
.safe-aside{height:100%;border-radius:var(--r-lg);background:linear-gradient(150deg,#ffffff,#F1FBF8);border:1px dashed #8fd2c4;padding:28px;box-shadow:0 12px 28px rgba(33,26,53,.05)}
.safe-aside i.safe-ico{width:48px;height:48px;border-radius:14px;background:#E5F8F4;color:#0f9480;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.safe-aside h4{font-size:21px;font-weight:900;color:var(--ink);margin-top:8px;margin-bottom:12px;line-height:1.4}
.safe-aside p{color:var(--body);font-size:15px;line-height:1.85;margin-bottom:14px}
.safe-aside .warn-paper{background:#fffcf2;border-left:3px solid var(--amber);border-radius:8px;padding:12px 16px;color:#5e4d22;font-size:14px}
.safe-aside .warn-paper strong{color:#3f3215}
.safe-add-action{display:inline-flex;align-items:center;gap:8px;background:var(--mint);color:#fff;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:800;border:0;cursor:pointer;box-shadow:0 8px 20px rgba(43,184,160,.25);margin-top:6px;transition:all .25s ease}
.safe-add-action:hover{background:#1fa28b;color:#fff;transform:translateY(-2px)}

/* scene section */
.scene-section{background:#fff;overflow:hidden}
.scene-card{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);margin-bottom:48px;overflow:hidden}
.scene-card.flip .scene-media{order:2}
.scene-media{min-height:340px;background:#F1ECF8;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .8s ease}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-copy{padding:40px 42px}
.scene-tag{display:inline-flex;align-items:center;gap:8px;background:#FFF3DF;border-radius:999px;color:#a06200;font-size:13px;font-weight:800;padding:6px 14px;border:0;margin-bottom:18px}
.scene-copy h3{font-size:24px;font-weight:900;color:var(--ink);line-height:1.4;margin:0 0 14px}
.scene-copy p{color:var(--body);font-size:15px;line-height:1.85;margin-bottom:20px}
.scene-link{display:inline-flex;align-items:center;gap:9px;font-weight:800;color:var(--violet);font-size:15px;border-bottom:2px solid transparent;padding-bottom:3px}
.scene-link i{transition:transform .25s ease}
.scene-link:hover{color:var(--deep);border-color:var(--violet)}
.scene-link:hover i{transform:translateX(5px)}

/* stats */
.stats-section{position:relative;background:linear-gradient(135deg,#241e3d,#39237D 62%,#4b3b9c);color:#fff;overflow:hidden}
.stats-section::before{content:"";position:absolute;top:-100px;right:-80px;width:360px;height:360px;background:rgba(255,255,255,.05);transform:rotate(18deg);border-radius:80px}
.stats-section::after{content:"◎";position:absolute;left:-40px;bottom:-60px;font-size:260px;opacity:.05;color:#fff;line-height:1}
.stats-section .grid-container{position:relative;z-index:2}
.stats-title-block{margin-bottom:54px;max-width:680px}
.stats-stitle{font-size:clamp(25px,3.5vw,36px);font-weight:900;color:#fff;line-height:1.4;margin:16px 0 14px}
.stats-desc-text{color:rgba(255,255,255,.72);font-size:16px;line-height:1.9;margin:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:26px 20px 24px;position:relative;backdrop-filter:blur(6px);transition:transform .3s ease,background .3s ease}
.stat-badge:hover{transform:translateY(-4px);background:rgba(255,255,255,.14)}
.stat-badge::after{content:"";display:block;width:38px;height:3px;border-radius:6px;background:linear-gradient(90deg,#FFB020,#FFC24B);margin-top:12px}
.stat-badge .stat-ico{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#FFC24B;margin-bottom:16px}
.stat-badge .stat-num{display:block;font-size:clamp(34px,5vw,52px);font-weight:900;line-height:1;color:#fff;letter-spacing:-2px}
.stat-badge .stat-num small{font-size:20px;font-weight:700;margin-left:4px;letter-spacing:-.5px}
.stat-badge .stat-label-text{display:block;margin-top:14px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.65)}

/* faq */
.faq-section{background:#fff;padding-top:100px;padding-bottom:96px}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{background:#fff;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:22px;width:100%;background:none;border:0;padding:25px 6px;color:var(--ink);cursor:pointer;text-align:left}
.faq-q-text{font-size:18px;font-weight:900;line-height:1.55;color:inherit}
.faq-q-icon{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:#F1ECF8;color:var(--violet);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;transition:transform .35s ease,background .35s ease,color .35s ease}
.faq-q:hover .faq-q-text{color:var(--violet)}
.faq-q:hover .faq-q-icon{background:var(--violet);color:#fff}
.faq-item.is-open .faq-q-icon{transform:rotate(45deg);background:var(--dark);color:#fff}
.faq-a{display:none;padding:0 42px 26px 6px;color:var(--body);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{display:block}
.faq-a p{margin:0 0 8px}
.faq-a p:last-child{margin-bottom:0}
.faq-a .faq-tip{background:#F7F5F0;border-left:3px solid var(--amber);border-radius:8px;padding:10px 16px;font-size:14px;color:#594b22;margin-top:10px}

/* CTA */
.cta-section{padding:80px 0}
.cta-banner{background:linear-gradient(135deg,#FFC24B,#FF8A3D);border-radius:32px;padding:44px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:0 18px 42px rgba(255,138,61,.3);position:relative;overflow:hidden}
.cta-banner::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:-30px;top:-40px;font-size:170px;opacity:.12;color:#fff;transform:rotate(10deg)}
.cta-copy{max-width:600px;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(22px,3.2vw,32px);font-weight:900;color:#2c2016;line-height:1.35;margin:0 0 12px}
.cta-copy p{font-size:15px;line-height:1.8;color:#59401a;margin:0}

/* footer */
.footer{background:var(--dark);color:#c8c0dd;position:relative;overflow:hidden;padding-top:74px}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--violet),var(--amber));border-radius:0 0 12px 12px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1.25fr 1.5fr;gap:38px;padding-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:900;color:#fff;line-height:1.25}
.footer-logo .brand-mark{background:linear-gradient(135deg,var(--violet),var(--light))}
.footer-desc{font-size:14px;line-height:1.9;color:#a79acb;margin:18px 0 0}
.footer h4{color:#fff;font-size:16px;font-weight:800;letter-spacing:.02em;margin:8px 0 18px;position:relative;padding-bottom:10px}
.footer h4::after{content:"";display:block;width:28px;height:3px;border-radius:6px;background:linear-gradient(90deg,var(--amber),var(--amber2));margin-top:9px}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#bfb5dd;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:color .25s ease,padding-left .25s ease}
.footer-list a i{font-size:10px;color:#6b628e}
.footer-list a:hover{color:#fff;padding-left:5px}
.footer-safe{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:16px 16px}
.footer-safe p{font-size:13px;color:#a79acb;line-height:1.7}
.footer-safe p i{color:#FFB020;margin-right:4px}
.footer-safe .btn-ghost{font-size:13px;height:38px;padding:0 18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#8e83ad}

/* responsive */
@media screen and (max-width:1023.98px){
  .stat-badge .stat-num{font-size:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps-flow{grid-template-columns:1fr 1fr;gap:18px;padding:24px}
  .step-unit{border-right:0;border-bottom:1px dashed var(--line)}
  .step-unit:nth-child(3),.step-unit:nth-child(4){border-bottom:0}
  .scene-card{grid-template-columns:1fr}
  .scene-media{min-height:280px}
  .scene-media img{min-height:280px}
  .scene-card.flip .scene-media{order:0}
  .header-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
  .brand-logo{flex:1}
  .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:5px}
  .header-cta{margin-left:0;margin-right:0}
}
@media screen and (max-width:639.98px){
  .section{padding:64px 0}
  .category-hero{min-height:0}
  .category-hero .grid-container{padding-top:30px;padding-bottom:30px}
  .hero-tag{padding:5px 12px;font-size:12px}
  .category-hero h1{font-size:31px;line-height:1.35}
  .hero-lead{font-size:15px}
  .hero-metrics{flex-wrap:wrap;gap:8px}
  .metric-item{padding:0 12px;margin-top:6px}
  .metric-num{font-size:20px}
  .metric-label{font-size:12px}
  .btn{padding:13px 18px;font-size:14px}
  .site-alert .alert-inner{padding:8px 14px;text-align:left;justify-content:flex-start}
  .brand-mark{width:36px;height:36px;border-radius:12px}
  .brand-word{font-size:18px}
  .brand-word small{font-size:10px;letter-spacing:.18em}
  .header-cta{padding:11px 14px;font-size:13px}
  .main-nav .nav-chip{font-size:13px;padding:8px 12px}
  .steps-flow{grid-template-columns:1fr;gap:0;padding:18px}
  .step-unit{border-right:0;border-bottom:1px dashed var(--line);padding:14px 4px 16px}
  .step-unit:last-child{border-bottom:0}
  .steps-card-head{padding:22px 22px 6px}
  .handy-card{padding:22px}
  .security-main-card{padding:22px;height:auto}
  .safe-aside{margin-top:22px}
  .scene-copy{padding:26px 24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-badge{padding:20px 16px;border-radius:16px}
  .stat-badge .stat-num{font-size:30px;letter-spacing:-1px}
  .stat-badge .stat-label-text{font-size:12px}
  .cta-section{padding:48px 0}
  .cta-banner{padding:28px 24px;border-radius:24px}
  .faq-section{padding-top:64px;padding-bottom:64px}
  .faq-q-text{font-size:16px}
  .footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:20px}
  .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category2 */
:root{
  --violet:#6C4AB6;
  --deep:#39237D;
  --violet-light:#8E6BF0;
  --amber:#FFB020;
  --amber-deep:#FF8A3D;
  --amber-light:#FFC24B;
  --mint:#2BB8A0;
  --ink:#211A35;
  --body:#3E3656;
  --muted:#6B6484;
  --line:#E6E0F0;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#221C38;
  --purple-soft:#F1ECF8;
  --radius-large:24px;
  --radius-med:16px;
  --shadow:0 14px 36px rgba(33,26,53,.08);
  --shadow-hover:0 18px 44px rgba(33,26,53,.14);
  --space:96px;
}
html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--body);
}
*,*:before,*:after{box-sizing:border-box;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:inline-block;}
button,input,select,textarea{font-family:inherit;}
.grid-container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
#app,body{overflow-x:hidden;}

.top-alert{
  background:var(--mint);
  color:#083C35;
  font-size:14px;
  line-height:1.5;
  padding:8px 0;
}
.top-alert .grid-container{
  display:flex;
  align-items:center;
  gap:10px;
}
.top-alert-icon{flex:0 0 auto;}
.top-alert strong{color:#07352F;}
.top-alert span.top-alert-icon{width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.7);display:inline-flex;align-items:center;justify-content:center;}
.top-alert i{font-size:12px;}

.site-header{
  background:#fff;
  position:sticky;
  top:0;
  z-index:80;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(33,26,53,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  min-height:72px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:12px;
  background:var(--violet);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(108,74,182,.28);
}
.brand-mark i{font-size:15px;}
.brand-word{
  display:block;
  font-size:22px;
  line-height:1.1;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand-word small{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--violet);
  margin-top:2px;
}
.main-nav{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-left:auto;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  background:var(--purple-soft);
  color:var(--body);
  font-size:14px;
  font-weight:600;
  gap:7px;
  transition:background .2s,color .2s,box-shadow .2s,transform .2s;
  white-space:nowrap;
}
.nav-chip:hover{
  background:#D9D0EB;
  color:var(--ink);
  transform:translateY(-1px);
}
.nav-chip.active{
  background:var(--dark);
  color:#fff;
  box-shadow:0 10px 20px rgba(33,26,53,.18);
}
.nav-chip.active i{color:var(--amber);}
.header-cta{
  margin-left:2px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:0;
  cursor:pointer;
  transition:all .2s ease;
  text-decoration:none;
  letter-spacing:.02em;
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(120deg,var(--amber-deep),var(--amber-light));
  color:#271A00;
  box-shadow:0 10px 24px rgba(255,138,61,.24);
}
.btn-primary:hover{
  color:#201500;
  transform:scale(1.02) translateY(-2px);
  box-shadow:0 14px 30px rgba(255,138,61,.32);
}
.btn-secondary{
  background:#fff;
  color:var(--violet);
  border:1.5px solid var(--violet);
}
.btn-secondary:hover{
  background:var(--purple-soft);
  border-color:var(--deep);
  color:var(--deep);
  transform:translateY(-1px);
}
.btn-ghost{
  background:var(--dark);
  color:#fff;
  border:1px solid rgba(255,255,255,.12);
}
.btn-ghost:hover{
  background:#332A50;
  color:var(--amber);
  transform:translateY(-1px);
}
.btn-light{
  background:#fff;
  color:var(--ink);
  box-shadow:0 8px 20px rgba(33,26,53,.12);
}
.btn-light:hover{
  transform:scale(1.02) translateY(-2px);
}

.category-hero{
  position:relative;
  background:
    linear-gradient(120deg, rgba(247,245,240,.95) 25%, rgba(241,236,248,.85) 68%, rgba(255,255,255,.88) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
}
.hero-breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:13px;
  margin-bottom:14px;
}
.hero-breadcrumb a{color:var(--muted);}
.hero-breadcrumb a:hover{color:var(--violet);}
.hero-breadcrumb i{font-size:10px;color:#A49BC0;}
.category-hero h1{
  font-size:clamp(34px, 5vw, 50px);
  line-height:1.2;
  color:var(--ink);
  margin:0 0 16px;
  max-width:900px;
  font-weight:800;
  letter-spacing:.01em;
}
.hero-sub{
  max-width:860px;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  margin:0 0 28px;
}
.hero-status{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(43,184,160,.12);
  border:1px solid rgba(43,184,160,.25);
  color:#087767;
  font-size:14px;
  font-weight:600;
  border-radius:999px;
  padding:8px 16px;
  margin-bottom:26px;
}
.hero-metrics{
  max-width:920px;
  margin-top:12px;
}
.metric-cell{
  padding-bottom:8px;
}
.metric-card{
  background:rgba(255,255,255,.9);
  border:1px solid var(--line);
  border-radius:var(--radius-med);
  padding:20px 20px 17px;
  height:100%;
  box-shadow:0 10px 24px rgba(33,26,53,.05);
  transition:transform .2s,box-shadow .2s;
}
.metric-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.metric-value{
  display:block;
  font-size:38px;
  line-height:1.1;
  font-weight:800;
  color:var(--deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  margin-bottom:4px;
}
.metric-label{
  font-size:14px;
  color:var(--muted);
  display:block;
  font-weight:500;
}
.metric-card::after{
  content:'';
  display:block;
  width:28px;
  height:3px;
  border-radius:3px;
  background:var(--amber);
  margin-top:12px;
}

.problem-index{
  padding:clamp(56px, 7vw, 80px) 0;
  background:#fff;
}
.section-head{
  margin-bottom:30px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--violet);
  font-weight:700;
  font-size:14px;
  letter-spacing:.14em;
  margin-bottom:8px;
}
.section-head .eyebrow::before{
  content:'';
  width:22px;
  height:2px;
  background:var(--amber);
  border-radius:2px;
  display:inline-block;
}
.section-head h2{
  font-size:clamp(26px,3.6vw,36px);
  line-height:1.3;
  color:var(--ink);
  margin:0;
  font-weight:800;
}
.section-head p{
  color:var(--muted);
  font-size:16px;
  margin:10px 0 0;
  max-width:760px;
}
.index-card{
  background:var(--purple-soft);
  border-radius:var(--radius-med);
  padding:22px 20px;
  display:block;
  color:var(--body);
  border:1px solid transparent;
  transition:all .22s ease;
  height:100%;
  position:relative;
}
.index-card:hover{
  background:#fff;
  border-color:var(--violet);
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.index-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:10px;
}
.index-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--violet);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
}
.index-arrow{
  color:var(--violet);
  opacity:.55;
  transition:opacity .2s,transform .2s;
}
.index-card:hover .index-arrow{
  opacity:1;
  transform:translateX(4px);
}
.index-card h3{
  font-size:17px;
  margin:0 0 6px;
  color:var(--ink);
  font-weight:700;
}
.index-card p{
  font-size:14px;
  color:var(--muted);
  margin:0;
  line-height:1.7;
}

.order-section{
  background:var(--purple-soft);
  padding:clamp(56px,7vw,80px) 0;
}
.order-left{
  padding-right:18px;
}
.order-right{
  padding-left:18px;
}
.visual-frame{
  border-radius:var(--radius-large);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:#fff;
  line-height:0;
}
.visual-frame img{
  width:100%;
  height:auto;
  aspect-ratio:16/10;
  object-fit:cover;
}
.step-list{
  list-style:none;
  margin:20px 0 0;
  padding:0;
}
.step-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid rgba(108,74,182,.15);
}
.step-list li:last-child{border-bottom:0;}
.step-num{
  flex:0 0 40px;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--violet);
  color:#fff;
  font-weight:800;
  font-size:17px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.step-content h3{
  font-size:17px;
  margin:0 0 4px;
  color:var(--ink);
}
.step-content p{
  margin:0;
  font-size:15px;
  color:var(--muted);
}

.answer-main{
  background:var(--bg);
  padding:clamp(56px,7vw,82px) 0;
}
.main-answer-wrap{
  padding-right:10px;
}
.answer-intro{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:16px;
  margin-bottom:20px;
  flex-wrap:wrap;
}
.answer-intro .section-head{margin-bottom:10px;}
.answer-intro p{
  font-size:15px;
  color:var(--muted);
  margin:0;
}
.answer-list{
  border-top:1px solid var(--line);
}
.answer-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-med);
  margin-top:14px;
  overflow:hidden;
  transition:box-shadow .22s ease;
}
.answer-item[open]{
  box-shadow:var(--shadow);
  border-color:#CEC4E5;
}
.answer-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 20px;
  cursor:pointer;
}
.answer-item summary::-webkit-details-marker{display:none;}
.answer-item summary:hover{
  background:#FAF7FF;
}
.answer-no{
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:50%;
  background:var(--purple-soft);
  color:var(--violet);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:14px;
}
.answer-item[open] .answer-no{
  background:var(--violet);
  color:#fff;
}
.q-title{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin:0;
  flex:1;
}
.answer-plus{
  color:var(--violet);
  transition:transform .2s ease;
}
.answer-item[open] .answer-plus{
  transform:rotate(45deg);
  color:var(--amber-deep);
}
.answer-body{
  padding:0 22px 22px 70px;
  color:var(--body);
  font-size:15px;
}
.answer-body p{
  margin:0 0 12px;
}
.answer-body ul{
  margin:0 0 4px;
  padding-left:18px;
}
.answer-body li{
  margin-bottom:6px;
  font-size:15px;
}

.qa-sidebar{
  padding-left:8px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-large);
  padding:24px;
  margin-bottom:20px;
  box-shadow:0 10px 24px rgba(33,26,53,.04);
}
.side-card.light-mint{
  background:linear-gradient(145deg,#FFFFFF,#E9FAF6);
  border-color:#C1EBE2;
}
.side-card.dark-purple{
  background:var(--dark);
  border-color:var(--dark);
  color:#fff;
}
.side-card-head{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:10px;
}
.dark-purple .side-card-head{color:#fff;}
.side-card-head i{
  color:var(--mint);
}
.side-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:0 0 16px;
}
.dark-purple p{color:rgba(255,255,255,.76);}
.side-safe-list{
  list-style:none;
  margin:0 0 18px;
  padding:0;
}
.side-safe-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:8px;
  font-size:14px;
  color:var(--body);
}
.dark-purple .side-safe-list li{color:rgba(255,255,255,.82);}
.side-safe-list li::before{
  content:'';
  position:absolute;
  left:0;
  top:10px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--mint);
}
.dark-purple .side-safe-list li::before{background:var(--amber);}
.side-list{
  list-style:none;
  margin:0 0 18px;
  padding:0;
}
.side-list li{
  display:flex;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  align-items:flex-start;
  font-size:14px;
  color:var(--body);
}
.side-list li:last-child{border-bottom:0;}
.side-list i{
  color:var(--violet);
  margin-top:5px;
}
.domain-check{
  background:var(--purple-soft);
  border-radius:14px;
  padding:14px 14px;
  margin:14px 0 16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.domain-check code{
  background:#fff;
  padding:5px 10px;
  border-radius:9px;
  color:var(--deep);
  font-weight:800;
  font-size:14px;
  border:1px solid #D3C7EC;
  overflow-wrap:anywhere;
}
.side-card .btn{
  width:100%;
  margin-top:4px;
}
.side-cta-wrap{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.qa-cta{
  background:linear-gradient(125deg,#39237D,#6C4AB6);
  color:#fff;
  padding:clamp(48px,6vw,70px) 0;
  position:relative;
  overflow:hidden;
}
.qa-cta::before{
  content:'';
  position:absolute;
  right:-60px;
  top:-60px;
  width:220px;
  height:220px;
  background:rgba(255,176,32,.18);
  border-radius:50%;
}
.qa-cta .cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  position:relative;
  z-index:2;
}
.cta-title{
  font-size:clamp(23px,3vw,31px);
  font-weight:800;
  line-height:1.35;
  max-width:760px;
  margin:0;
}
.cta-copy{
  color:rgba(255,255,255,.78);
  margin:10px 0 0;
  font-size:15px;
  max-width:760px;
  line-height:1.8;
}
.cta-inner .btn{
  flex:0 0 auto;
}

.footer{
  background:var(--dark);
  color:rgba(255,255,255,.7);
  padding:60px 0 0;
  border-top:4px solid var(--violet-light);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1.5fr 1.6fr;
  gap:28px;
}
.footer-logo{
  color:#fff;
  font-size:22px;
  font-weight:800;
  line-height:1.4;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.6);
  max-width:330px;
  line-height:1.8;
}
.footer h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin:0 0 14px;
}
.footer-list{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-list li{
  margin-bottom:9px;
}
.footer-list a{
  color:rgba(255,255,255,.7);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s,transform .2s;
}
.footer-list a:hover{
  color:var(--amber);
  transform:translateX(3px);
}
.footer-list i{
  font-size:10px;
  color:rgba(255,255,255,.35);
}
.footer-safe{
  background:rgba(255,255,255,.05);
  border-radius:16px;
  padding:16px;
  font-size:14px;
}
.footer-bottom{
  margin-top:40px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

@media(max-width:1024px){
  .main-nav{order:3;width:100%;margin-left:0;justify-content:flex-start;overflow-x:auto;padding-bottom:2px;}
  .header-inner{
    gap:10px;
    padding-top:14px;
  }
  .header-cta{margin-left:auto;}
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .answer-body{
    padding-left:42px;
  }
}
@media(max-width:768px){
  :root{--space:64px;}
  .header-inner{
    display:flex;
    flex-wrap:wrap;
  }
  .brand-logo{
    width:100%;
  }
  .brand-logo .brand-word{
    font-size:20px;
  }
  .header-cta{
    margin-left:auto;
    min-height:38px;
    padding:0 16px;
    font-size:14px;
  }
  .nav-chip{
    padding:0 12px;
    height:36px;
    font-size:13px;
  }
  .category-hero{
    padding:42px 0 40px;
  }
  .category-hero h1{
    font-size:31px;
  }
  .hero-sub{
    font-size:15px;
  }
  .metric-card{
    padding:16px 13px;
  }
  .metric-value{
    font-size:30px;
  }
  .problem-index,
  .order-section,
  .answer-main,
  .qa-cta{
    padding:52px 0;
  }
  .main-answer-wrap{
    padding-right:0;
  }
  .qa-sidebar{
    padding-left:0;
    margin-top:24px;
  }
  .answer-body{
    padding-left:16px;
    padding-right:16px;
  }
  .order-left{
    padding-right:0;
    margin-bottom:24px;
  }
  .order-right{
    padding-left:0;
  }
  .footer{
    padding-top:46px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media(max-width:520px){
  .grid-container{
    padding-left:16px;
    padding-right:16px;
  }
  .brand-logo .brand-mark{
    width:32px;
    height:32px;
    font-size:13px;
  }
  .brand-word{
    font-size:18px;
  }
  .nav-chip{
    flex:0 0 auto;
  }
  .category-hero h1{
    font-size:26px;
    line-height:1.3;
  }
  .hero-sub{
    font-size:14px;
  }
  .hero-status{
    font-size:12px;
    padding:5px 12px;
  }
  .metric-value{
    font-size:26px;
  }
  .index-card h3{
    font-size:15px;
  }
  .index-card p{
    font-size:13px;
  }
  .q-title{
    font-size:15px;
  }
  .answer-item summary{
    padding:16px 14px;
    gap:10px;
  }
  .answer-no{
    flex-basis:28px;
    width:28px;
    height:28px;
    font-size:13px;
  }
  .cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .cta-inner .btn{
    width:100%;
  }
  .side-card{
    padding:18px;
  }
  .footer-bottom{
    font-size:12px;
  }
}