/* roulang page: index */
:root{
  --paper:#F7F3EC;
  --surface:#FFFDF9;
  --ink:#17211D;
  --ink-2:#5B625E;
  --brand:#F0501D;
  --brand-dark:#C43C10;
  --mark:#F2B64A;
  --ok:#0E7C5A;
  --line:#E3D9CD;
  --white:#FFFFFF;
  --r-lg:16px;
  --r-md:10px;
  --r-sm:8px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,20,20,.04);
  --shadow-2:0 8px 24px rgba(30,20,10,.08);
  --shadow-3:0 18px 48px rgba(30,20,10,.12);
  --container:1280px;
  --gap:clamp(64px, 8vw, 120px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
h1,h2,h3,h4{line-height:1.25;font-weight:700}
::selection{background:rgba(242,182,74,.35)}
:focus-visible{outline:3px solid rgba(240,80,29,.45);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin-inline:auto;padding-inline:clamp(16px,3vw,24px)}
.section{padding-block:64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:16px}
.eyebrow::before{content:"";width:20px;height:3px;background:var(--brand);border-radius:99px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:700;border-radius:12px;height:48px;padding:0 24px;font-size:.95rem;transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(240,80,29,.18)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--paper);color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--shadow-1)}
.btn-outline:hover{background:#fff;border-color:#C9BBA6;transform:translateY(-2px)}
.btn-outline:active{transform:none}
.btn-light{background:#fff;color:var(--brand-dark);border:1px solid rgba(255,255,255,.5)}
.btn-light:hover{background:#fff4e8;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:.88rem}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,249,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-block:12px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900;border-radius:12px;font-size:1.35rem;box-shadow:0 6px 14px rgba(240,80,29,.2);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:1.25rem;font-weight:800;letter-spacing:.02em}
.brand-domain{font-size:.68rem;color:var(--ink-2);font-weight:500;letter-spacing:.08em}
.header-actions{display:flex;align-items:center;gap:16px}
.header-link{font-size:.88rem;color:var(--ink-2);font-weight:600;transition:color .2s}
.header-link:hover{color:var(--brand)}
.chip-nav{display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;height:36px;padding:0 18px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-2);font-size:.84rem;font-weight:600;white-space:nowrap;transition:all .2s}
.chip:hover{background:#F1E7DA;color:var(--ink);border-color:#C9BBA6}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:800;box-shadow:0 5px 12px rgba(240,80,29,.2)}
.chip-arrow{margin-left:2px}

/* Hero */
.hero{position:relative;background:var(--paper);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 16px 20px,rgba(23,33,29,.055) 1.5px,transparent 0);background-size:34px 36px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,6vw,72px);align-items:center;padding-block:clamp(52px,7vw,110px)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.mini-tag{display:inline-flex;align-items:center;gap:6px;background:var(--white);border:1px solid var(--line);color:var(--ink-2);font-size:.77rem;font-weight:600;padding:5px 13px;border-radius:999px;box-shadow:var(--shadow-1)}
.mini-tag svg{width:15px;height:15px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.9rem);line-height:1.18;font-weight:900;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 .accent{color:var(--brand);position:relative;white-space:nowrap}
.hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.18em;background:rgba(242,182,74,.45);z-index:-1;border-radius:4px}
.hero-lead{font-size:clamp(15px,1.15vw,17px);color:var(--ink-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:26px}
.hero-note{font-size:.78rem;color:var(--ink-2)}
.hero-mini-list{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:.8rem;color:var(--ink-2);border-top:1px solid var(--line);padding-top:20px}
.hero-mini-list li{display:inline-flex;align-items:center;gap:7px;font-weight:600}
.hero-mini-list .check{color:var(--ok);font-weight:900}
.hero-visual{position:relative;border-radius:var(--r-lg);box-shadow:var(--shadow-3);background:var(--white);padding:14px}
.hero-visual::after{content:"";position:absolute;inset:auto -14px -14px auto;width:90px;height:90px;border:2px dashed rgba(240,80,29,.35);border-radius:20px;z-index:-1}
.hero-photo{position:relative;border-radius:12px;min-height:420px;background:no-repeat center/cover;background-image:linear-gradient(180deg,rgba(23,33,29,.08),rgba(23,33,29,.32)),url('/assets/images/backpic/back-1.jpg')}
.hero-photo::before{content:"";position:absolute;inset:0;border-radius:12px;background-image:radial-gradient(circle at 24px 24px,rgba(255,255,255,.16) 1px,transparent 0);background-size:36px 36px}
.visual-note{font-size:.72rem;font-weight:700;letter-spacing:.1em;background:rgba(23,33,29,.5);color:#fff;padding:8px 14px;border-radius:999px;display:inline-flex;gap:6px;position:absolute;top:16px;left:16px;backdrop-filter:blur(4px)}
.float-card{position:absolute;left:26px;right:26px;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.8);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-2);font-size:.82rem;display:flex;gap:10px;align-items:flex-start}
.float-card strong{display:block;font-size:.86rem;font-weight:800;color:var(--ink)}
.float-card p{color:var(--ink-2);font-size:.77rem;line-height:1.5;margin-top:2px}
.float-card small{color:var(--ok);font-weight:700}
.float-card .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:none;margin-top:7px}
.float-card.fc-1{bottom:104px}
.float-card.fc-2{bottom:20px}
.float-card.fc-2 .dot{background:var(--mark)}

/* Feature */
.feature-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,84px)}
.feature-intro{position:sticky;top:158px;align-self:start;padding-right:10px}
.feature-intro h2{font-size:clamp(1.6rem,2.6vw,2.35rem);line-height:1.28;margin-bottom:20px;letter-spacing:-.01em}
.feature-intro>p{color:var(--ink-2);font-size:.97rem;margin-bottom:22px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);font-size:.92rem;border-bottom:2px solid rgba(240,80,29,.3);padding-bottom:3px;transition:border-color .2s}
.text-link:hover{border-color:var(--brand)}
.feature-list{display:flex;flex-direction:column;gap:20px}
.feature-item{position:relative;display:grid;grid-template-columns:70px 1fr;gap:20px;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:16px;padding:24px 26px;box-shadow:var(--shadow-1);transition:background .2s,box-shadow .2s,transform .2s}
.feature-item:hover{background:#fff8ef;box-shadow:var(--shadow-2);transform:translateY(-3px)}
.feature-num{width:54px;height:54px;background:var(--paper);border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:1.05rem;color:var(--brand)}
.feature-item h3{font-size:1.24rem;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.feature-item p{color:var(--ink-2);font-size:.95rem;line-height:1.75}
.feature-anchor{display:inline-block;margin-top:16px;font-size:.86rem;font-weight:800;color:var(--brand);border-bottom:2px solid rgba(240,80,29,.25);padding-bottom:2px}
.feature-anchor:hover{border-color:var(--brand)}
.feature-corner{position:absolute;top:22px;right:22px;font-size:.72rem;font-weight:800;color:var(--mark);border:1px solid rgba(242,182,74,.5);padding:3px 9px;border-radius:99px}

/* Flow */
.flow-section{background:#1A1F1C;padding-block:clamp(70px,9vw,120px);position:relative;overflow:hidden}
.flow-section .container{position:relative;z-index:2}
.flow-section::after{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-160px;background:radial-gradient(circle,rgba(240,80,29,.22),transparent 70%);pointer-events:none}
.flow-head{max-width:680px;margin-bottom:46px}
.flow-head .eyebrow{color:#FF9E70}
.flow-head .eyebrow::before{background:#FF9E70}
.flow-head h2{color:#F7F3EC;font-size:clamp(1.6rem,2.7vw,2.4rem);margin-bottom:18px}
.flow-head p{color:rgba(247,243,236,.72)}
.flow-track{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
.flow-track::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:rgba(255,255,255,.14)}
.flow-track::after{content:"";position:absolute;left:0;right:0;top:22px;height:3px;width:32%;background:var(--brand);z-index:1}
.flow-node{width:44px;height:44px;border-radius:50%;background:var(--brand);border:5px solid #1A1F1C;display:grid;place-items:center;color:#fff;font-size:.86rem;position:relative;z-index:2;font-weight:800}
.flow-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.11);border-radius:16px;padding:22px;color:#F7F3EC;min-height:280px;position:relative}
.flow-card::before{content:"";position:absolute;top:0;left:0;width:46px;height:4px;background:var(--brand);border-radius:0 0 6px 0}
.flow-card .flow-index{font-size:.72rem;font-weight:800;color:#9B8B7C;letter-spacing:.16em;display:block;margin-bottom:12px}
.flow-card h3{font-size:1.15rem;margin-bottom:10px;color:#fff}
.flow-card>p{font-size:.88rem;color:rgba(247,243,236,.68);line-height:1.7}
.proof-mini{display:grid;grid-template-columns:auto 1fr;gap:12px;margin-top:18px;background:rgba(0,0,0,.18);border-radius:12px;padding:12px}
.proof-thumb{width:92px;height:72px;border-radius:8px;background:no-repeat center/cover;display:block}
.proof-text strong{font-size:.82rem;color:rgba(255,255,255,.92);line-height:1.45;display:block}
.proof-text span{display:inline-block;margin-top:6px;font-size:.7rem;color:#F2B64A;background:rgba(242,182,74,.12);padding:2px 8px;border-radius:99px}
.safe-note{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 22px;border-top:1px solid rgba(255,255,255,.1);padding-top:22px}
.safe-note li{display:inline-flex;align-items:center;gap:8px;color:rgba(247,243,236,.64);font-size:.8rem;font-weight:600}
.safe-note i{color:var(--ok);font-style:normal;font-weight:900;background:rgba(14,124,90,.2);width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:.72rem}

/* Social */
.social-badge-line{display:flex;flex-wrap:wrap;align-items:center;gap:18px;border:1px solid var(--line);background:var(--white);border-radius:14px;padding:14px 20px;margin-bottom:14px;box-shadow:var(--shadow-1)}
.social-badge-line span{font-size:.76rem;font-weight:700;color:var(--ink-2);letter-spacing:.08em}
.social-badge-line i{font-style:normal;width:8px;height:8px;background:var(--mark);border-radius:50%}
.social-badge-line small{color:#9C9C94}
.social-section h2{font-size:clamp(1.5rem,2.5vw,2.1rem);letter-spacing:-.01em;margin-bottom:12px}
.social-desc{color:var(--ink-2);max-width:640px;margin-bottom:32px}
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:var(--white);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-1);padding:24px;transition:box-shadow .25s,transform .25s}
.review-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.review-card:nth-child(2){transform:translateY(24px)}
.review-card:nth-child(2):hover{transform:translateY(24px)}
.review-card:nth-child(3){margin-top:34px}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.avatar{width:42px;height:42px;border-radius:50%;background:#E9D8C3;color:#8A5A2B;display:grid;place-items:center;font-size:.9rem;font-weight:900;flex:none}
.reviewer{font-size:.78rem;color:var(--ink-2)}
.reviewer strong{display:block;color:var(--ink);font-size:.93rem}
.stars{color:var(--mark);letter-spacing:2px;font-size:.86rem;margin-left:auto}
.review-card p{font-size:.91rem;color:var(--ink);line-height:1.75}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:52px;background:#1A1F1C;border-radius:20px;padding:26px 28px;color:#F7F3EC;box-shadow:var(--shadow-2)}
.stat-item .num{font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:clamp(1.6rem,2vw,2.2rem);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;display:block;letter-spacing:-.02em}
.stat-item .label{display:block;font-size:.76rem;color:rgba(247,243,236,.62);margin-top:4px}
.stat-item small{margin-left:4px;font-size:.68rem;color:rgba(242,182,74,.8);font-weight:700}

/* FAQ */
.faq-section{background:linear-gradient(180deg,var(--paper) 0,var(--white) 100%)}
.faq-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(30px,5vw,76px)}
.faq-intro h2{font-size:clamp(1.65rem,2.6vw,2.3rem);line-height:1.3;margin-bottom:18px;letter-spacing:-.01em}
.faq-intro p{color:var(--ink-2);font-size:.95rem;margin-bottom:24px}
.faq-intro-sticky{position:sticky;top:160px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-1);transition:box-shadow .2s,border-color .2s}
.faq-item:hover{border-color:#D6C6B2;box-shadow:var(--shadow-2)}
.faq-item[open]{border-color:rgba(240,80,29,.4)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;cursor:pointer;list-style:none;font-weight:800;font-size:.98rem;line-height:1.5}
.faq-item summary::-webkit-details-marker{display:none}
.faq-marker{width:24px;height:24px;flex:none;border-radius:50%;background:var(--paper);display:grid;place-items:center;color:var(--brand);font-weight:700;font-size:1.05rem;border:1px solid var(--line)}
.faq-item[open] .faq-marker::before{content:"−"} 
.faq-marker::before{content:"+"}
.faq-body{border-top:1px solid var(--line);padding:16px 20px 20px}
.faq-body p{font-size:.92rem;color:var(--ink-2);line-height:1.8}

/* CTA band */
.cta-band{position:relative;background:var(--brand);color:#fff;padding-block:70px;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 0);background-size:26px 26px;opacity:.6}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.65rem,2.5vw,2.25rem);line-height:1.3;letter-spacing:-.01em}
.cta-band p{color:rgba(255,255,255,.85);margin-top:6px;font-size:.95rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* Footer */
.site-footer{background:#1A1F1C;color:#BFC6C2;font-size:.86rem}
.footer-main{padding-block:clamp(48px,7vw,76px);display:grid;grid-template-columns:2.2fr 1fr 1.3fr 1.4fr;gap:44px}
.footer-brand .brand-mark{background:var(--brand);box-shadow:none}
.footer-brand .brand-text strong{color:#F7F3EC}
.footer-brand p{font-size:.86rem;line-height:1.8;color:#A9B2AE;margin-top:14px;max-width:280px}
.footer-col h3{color:rgba(247,243,236,.6);font-size:.76rem;font-weight:800;letter-spacing:.16em;margin-bottom:18px;text-transform:uppercase}
.footer-col li a{display:inline-flex;padding-block:5px;color:#BFC6C2;font-size:.88rem;transition:color .2s,padding-left .2s}
.footer-col li a:hover{color:#fff;padding-left:5px}
.footer-note{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);border-radius:14px;padding:16px 18px;color:#93A09A;font-size:.78rem;line-height:1.8}
.footer-note strong{color:#E3E9E6;display:block;margin-bottom:4px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;align-items:center;gap:12px;padding-block:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.75rem;color:#7F8985}
.footer-bottom a{color:#BFC6C2}
.footer-bottom a:hover{color:#fff}

/* Fixed bottom bar */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(32,38,35,.86);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.14);color:#fff;box-shadow:0 -10px 26px rgba(20,20,20,.14);transform:translateY(120%);transition:transform .36s ease;padding-bottom:env(safe-area-inset-bottom)}
.fixed-bar.is-visible{transform:translateY(0)}
.fixed-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:10px}
.fixed-bar p{font-size:.84rem;color:rgba(255,255,255,.9)}
.fixed-bar .btn{height:36px;padding:0 20px}
body.has-bar{padding-bottom:58px}

/* Modal */
.modal{position:fixed;inset:0;z-index:160;display:none;align-items:center;justify-content:center;background:rgba(20,20,20,.63);padding:16px;backdrop-filter:blur(4px)}
.modal.is-open{display:flex}
.modal-card{background:#fff;width:100%;max-width:580px;border-radius:18px;box-shadow:var(--shadow-3);overflow:hidden;max-height:92vh;overflow-y:auto}
.modal-accent{height:4px;background:var(--brand)}
.modal-head{padding:24px 28px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.modal-head h2{font-size:1.45rem}
.modal-head p{color:var(--ink-2);font-size:.82rem;margin-top:4px}
.modal-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--paper);font-size:1.2rem;cursor:pointer;display:grid;place-items:center;color:var(--ink);transition:all .2s;flex:none}
.modal-close:hover{background:#eadfd0;border-color:#c9b9a6}
.modal-body{padding:18px 28px 28px}
.form-row{margin-bottom:18px}
.form-label{display:block;font-size:.84rem;font-weight:700;margin-bottom:7px}
.form-label .req{color:var(--brand);margin-left:3px}
.form-input,.form-select,.form-textarea{width:100%;border:1.5px solid var(--line);border-radius:11px;padding:11px 14px;font-size:.95rem;background:var(--surface);color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,80,29,.1)}
.form-textarea{min-height:116px;resize:vertical}
.form-check{display:flex;gap:10px;align-items:flex-start;background:#FBF8F1;border:1px solid var(--line);padding:12px 14px;border-radius:11px;font-size:.84rem;color:var(--ink-2)}
.form-check input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand)}
.form-note{font-size:.76rem;color:#7C847F;line-height:1.7;margin:14px 0 18px;border-top:1px solid var(--line);padding-top:14px}
.form-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:6px}

/* Utility / Responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;padding-block:56px}
  .hero-visual{max-width:640px}
  .feature-layout{grid-template-columns:1fr}
  .feature-intro{position:static}
  .flow-track{grid-template-columns:1fr}
  .flow-track::before,.flow-track::after{display:none}
  .flow-card{min-height:0}
  .faq-layout{grid-template-columns:1fr}
  .faq-intro-sticky{position:static}
  .footer-main{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media (max-width:768px){
  .header-top{padding-block:10px}
  .brand-text strong{font-size:1.05rem}
  .btn-switch{display:none}
  .header-link{display:none}
  .chip-nav{padding-bottom:10px}
  .chip{height:33px;font-size:.78rem;padding:0 15px}
  .hero-actions .btn{flex:1;min-width:0}
  .review-grid{grid-template-columns:1fr}
  .review-card:nth-child(2){transform:none}
  .review-card:nth-child(2):hover{transform:none}
  .review-card:nth-child(3){margin-top:0}
  .footer-bottom{flex-direction:column;text-align:center}
  .modal-body,.modal-head{padding-inline:18px}
}
@media (max-width:520px){
  .section{padding-block:48px}
  .feature-item{grid-template-columns:1fr;padding:20px}
  .footer-main{grid-template-columns:1fr}
  .footer-bottom{font-size:.72rem}
  .fixed-bar-inner{flex-wrap:wrap;gap:8px;padding-block:10px}
  .fixed-bar-inner .btn{padding:0 14px}
  .hero-photo{min-height:300px}
  .float-card{left:16px;right:16px;padding:11px 12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --paper:#F7F3EC;
  --surface:#FFFDF9;
  --ink:#17211D;
  --ink-2:#5B625E;
  --brand:#F0501D;
  --brand-dark:#C43C10;
  --mark:#F2B64A;
  --ok:#0E7C5A;
  --line:#E3D9CD;
  --white:#FFFFFF;
  --r-lg:16px;
  --r-md:10px;
  --r-sm:8px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,20,20,.04);
  --shadow-2:0 8px 24px rgba(30,20,10,.08);
  --shadow-3:0 18px 48px rgba(30,20,10,.12);
  --container:1280px;
  --gap:clamp(64px, 8vw, 120px);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem;outline:none}
.container{max-width:var(--container);margin-inline:auto;padding-inline:clamp(16px,3vw,24px)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}

/* design system */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,249,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-block:12px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900;border-radius:12px;font-size:1.35rem;box-shadow:0 6px 14px rgba(240,80,29,.2);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:1.25rem;font-weight:800;letter-spacing:.02em}
.brand-domain{font-size:.68rem;color:var(--ink-2);font-weight:500;letter-spacing:.08em}
.header-actions{display:flex;align-items:center;gap:16px}
.header-link{font-size:.88rem;color:var(--ink-2);font-weight:600;transition:color .2s}
.header-link:hover{color:var(--brand)}
.chip-nav{display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;height:36px;padding:0 18px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink-2);font-size:.84rem;font-weight:600;white-space:nowrap;transition:all .2s}
.chip:hover{background:#F1E7DA;color:var(--ink);border-color:#C9BBA6}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:800;box-shadow:0 5px 12px rgba(240,80,29,.2)}
.chip.is-active .arrow{display:inline-block}
.chip .arrow{display:none;font-size:.7rem}
.header-cta{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;background:var(--brand);color:#fff;font-weight:700;height:38px;padding:0 18px;font-size:.88rem;border-radius:12px;transition:background .2s,transform .2s,box-shadow .2s;box-shadow:0 4px 12px rgba(240,80,29,.18);white-space:nowrap}
.header-cta:hover{background:var(--brand-dark);transform:translateY(-2px);color:#fff}
.header-cta:active{transform:translateY(0)}

/* page head */
.page-head{position:relative;background:var(--paper);overflow:hidden;border-bottom:1px solid var(--line)}
.page-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 16px 20px,rgba(23,33,29,.05) 1.5px,transparent 0);background-size:34px 36px;pointer-events:none}
.cat-head{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(28px,5vw,64px);align-items:end;padding-block:52px 44px}
.breadcrumb{grid-column:1/-1;font-size:.82rem;color:var(--ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px}
.breadcrumb a{color:var(--ink-2);transition:color .2s;border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--brand);border-color:var(--brand)}
.cat-heading h1{font-size:clamp(1.75rem, 3.6vw, 2.9rem);line-height:1.22;font-weight:900;letter-spacing:-.01em;margin-bottom:10px}
.cat-heading h1 .accent{color:var(--brand);position:relative}
.cat-heading .cat-lead{color:var(--ink-2);font-size:.95rem;max-width:600px}
.cat-side-info{display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.cat-side-btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:700;border-radius:12px;height:48px;padding:0 24px;font-size:.95rem;transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(240,80,29,.18)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--paper);color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--shadow-1)}
.btn-outline:hover{background:#fff;border-color:#C9BBA6;transform:translateY(-2px)}
.btn-outline:active{transform:none}

/* layout */
.main-col-wrap{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(28px, 4vw, 56px);padding-block:48px 88px;align-items:start}
.list-col{min-width:0}
.side-col{min-width:0}
/* filter chip */
.filter-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:28px}
.filter-label{font-size:.8rem;font-weight:700;color:var(--ink-2);margin-right:4px;letter-spacing:.05em}
.f-chip{display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink-2);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .22s;white-space:nowrap}
.f-chip:hover{background:#F1E7DA;color:var(--ink);border-color:#C9BBA6}
.f-chip.active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}
/* timeline entries */
.timeline-list{position:relative;padding-left:30px}
.timeline-list::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--line),rgba(227,217,205,.1))}
.tl-item{position:relative;margin-bottom:30px}
.tl-item::before{content:"";position:absolute;left:-30px;top:18px;width:16px;height:16px;border-radius:50%;background:var(--brand);border:4px solid #FFE4D6;box-shadow:0 0 0 2px rgba(240,80,29,.15),var(--shadow-1);z-index:1}
.tl-item.fl-verify::before{background:var(--ok);border-color:#D1E8DF}
.tl-item.fl-follow::before{background:var(--mark);border-color:#FBE8C6}
.tl-item.fl-mute::before{background:#B5AAA0;border-color:#E3DBD3}
.tl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);transition:box-shadow .25s,transform .25s,border-color .25s;overflow:hidden;display:block;width:100%;text-align:left}
.tl-card:hover{box-shadow:var(--shadow-2);border-color:#D4C6B8;transform:translateY(-2px)}
.tl-card-inner{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:0}
.tl-body{padding:22px 24px}
.entry-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.cat-badge{display:inline-flex;align-items:center;background:rgba(242,182,74,.18);color:#8A630D;border:1px solid rgba(242,182,74,.4);font-size:.72rem;font-weight:800;padding:2px 10px;border-radius:999px;letter-spacing:.05em}
.status{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;line-height:1.4}
.status .dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.status.ok{background:rgba(14,124,90,.1);color:var(--ok)}
.status.ok .dot{background:var(--ok)}
.status.follow{background:rgba(242,182,74,.12);color:#936B0D}
.status.follow .dot{background:var(--mark)}
.status.info{background:#EFEBE5;color:#6A6F6C}
.status.info .dot{background:#A09A94}
.entry-title{font-size:1.08rem;line-height:1.45;font-weight:700;margin-bottom:8px;color:var(--ink)}
.entry-title a{color:inherit}
.entry-title a:hover{color:var(--brand)}
.entry-desc{color:var(--ink-2);font-size:.88rem;line-height:1.7;margin-bottom:12px}
.entry-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;color:#9A9F9B;font-size:.78rem;font-weight:500}
.entry-foot span{display:inline-flex;align-items:center;gap:5px}
.entry-foot .view-icon,.entry-foot .clock-icon{width:15px;height:15px}
.tl-thumb{position:relative;min-height:150px;background:no-repeat center/cover}
.tl-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(0,0,0,.03))}
/* pagination */
.pagination-row{display:flex;justify-content:center;gap:8px;margin-top:48px}
.page-num{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:.86rem;font-weight:600;transition:all .2s;cursor:pointer}
.page-num:hover{background:#F1E7DA;color:var(--ink);border-color:#C9BBA6}
.page-num.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 10px rgba(240,80,29,.15)}
.page-dots{border:none;background:transparent;color:var(--ink-2)}
/* side */
.side-sticky{position:sticky;top:150px;display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px;box-shadow:var(--shadow-1)}
.side-title{font-size:.95rem;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:15px;background:var(--brand);border-radius:99px}
.trend-list{counter-reset:trend}
.trend-item{counter-increment:trend;display:flex;align-items:baseline;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.85rem}
.trend-item:last-child{border-bottom:none}
.trend-item::before{content:counter(trend,decimal-leading-zero);font-size:.72rem;font-weight:800;color:var(--brand);letter-spacing:.05em;font-variant-numeric:tabular-nums}
.trend-rank{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-weight:600;color:var(--ink)}
.trend-rank small{font-size:.7rem;font-weight:600;color:var(--ok);background:rgba(14,124,90,.06);border-radius:999px;padding:0 6px}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:12px;align-items:flex-start;position:relative}
.news-item::before{content:"";position:absolute;left:4px;top:8px;width:7px;height:7px;background:var(--mark);border-radius:50%;flex:none;margin-top:5px}
.news-body{margin-left:20px}
.news-body p{font-size:.82rem;line-height:1.55;color:var(--ink-2)}
.news-time{display:block;font-size:.72rem;color:#A9A6A2;margin-top:2px;font-weight:500}
.badge-new{display:inline-block;font-size:.62rem;font-weight:800;background:var(--brand);color:#fff;border-radius:999px;padding:0 6px;line-height:1.6;margin-left:6px;vertical-align:middle}
.cta-ticket{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;overflow:hidden;box-shadow:var(--shadow-2)}
.cta-ticket::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand)}
.cta-ticket::after{content:"";position:absolute;bottom:-32px;right:-32px;width:110px;height:110px;background-image:radial-gradient(rgba(240,80,29,.13) 2px,transparent 0);background-size:20px 20px;border-radius:50%;pointer-events:none}
.cta-ticket .cta-title{font-size:1.05rem;font-weight:900;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.cta-ticket .cta-title svg{width:22px;height:22px;flex:none}
.cta-ticket p{font-size:.8rem;color:var(--ink-2);margin-bottom:14px;line-height:1.65}
.cta-ticket .btn{width:100%}
.help-link{font-size:.78rem;color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;display:inline-flex;align-items:center;gap:4px}
.compliance-soft{background:#F1EDE4;border-radius:10px;padding:12px 16px;font-size:.75rem;color:#6E6E6A;line-height:1.7;display:flex;gap:8px;align-items:flex-start}
.compliance-soft svg{width:15px;height:15px;flex:none;color:var(--brand);margin-top:3px}
.side-footer-overt{font-size:.72rem;color:#9A9F9B;margin-top:2px}

/* footer */
.site-footer{background:var(--ink);color:#C9D1CD;margin-top:0}
.site-footer .container{padding-block:64px 28px}
.footer-main{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.2fr;gap:40px;margin-bottom:48px}
.footer-brand p{max-width:340px;margin-top:16px;font-size:.85rem;color:#8E9B96;line-height:1.75}
.footer-col h3{color:var(--white);font-size:.9rem;font-weight:800;letter-spacing:.1em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:8px}
.footer-col li a{font-size:.85rem;color:#9BA6A1;transition:color .2s,padding-left .2s}
.footer-col li a:hover{color:var(--white);padding-left:5px}
.footer-note{font-size:.78rem;color:#8E9B96;line-height:1.8}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:.78rem;color:#7C8783}
.footer-bottom a{color:#A7B0AC;transition:color .2s}
.footer-bottom a:hover{color:var(--brand)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;display:none;padding:24px 16px;overflow-y:auto}
.modal.is-open{display:flex;align-items:center;justify-content:center}
.modal-panel{background:var(--surface);border-radius:16px;max-width:560px;width:100%;margin:auto;position:relative;overflow:hidden;box-shadow:var(--shadow-3);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal-panel::before{content:"";display:block;height:4px;background:var(--brand)}
.modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;border:none;background:#EFEBE5;color:var(--ink);font-size:1rem;cursor:pointer;transition:background .2s;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--brand);color:#fff}
.modal-body{padding:32px 30px 28px}
.modal-body h2{font-size:1.4rem;font-weight:800;margin-bottom:6px}
.modal-sub{color:var(--ink-2);font-size:.86rem;margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.8rem;font-weight:700;color:var(--ink);margin-bottom:7px}
.form-label .req{color:var(--brand);margin-left:2px}
.form-control{width:100%;background:var(--white);border:1.5px solid var(--line);border-radius:10px;padding:10px 14px;font-size:.9rem;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,80,29,.12)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath stroke='%235B625E' stroke-linecap='round' stroke-width='1.5' d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:38px}
textarea.form-control{min-height:88px;resize:vertical}
.radio-inline{display:flex;flex-wrap:wrap;gap:10px}
.radio-box{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.82rem;cursor:pointer;transition:border-color .2s,background .2s;background:var(--white)}
.radio-box input{accent-color:var(--brand);margin:0}
.radio-box:has(input:checked){border-color:var(--brand);background:rgba(240,80,29,.05)}
.form-error{display:flex;align-items:flex-start;gap:6px;background:#FBEDE7;border:1px solid #F2B8A6;border-radius:8px;padding:10px 13px;font-size:.76rem;color:#B24A22;margin:6px 0 16px}
.form-agree{display:flex;align-items:flex-start;gap:8px;font-size:.76rem;color:var(--ink-2);margin-bottom:20px;cursor:pointer}
.form-agree input{accent-color:var(--brand);margin-top:4px}
.modal-submit{width:100%;margin-top:4px}

/* bottom bar */
.bottom-bar{position:fixed;bottom:0;left:0;right:0;z-index:150;background:rgba(255,253,249,.92);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:10px 0;transform:translateY(110%);transition:transform .4s ease}
.bottom-bar.show{transform:translateY(0)}
.bottom-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px}
.bottom-tip{font-size:.82rem;color:var(--ink-2);font-weight:500}
.bottom-bar .btn{height:40px;font-size:.86rem;padding:0 18px}

/* scroll top helper */
.back-top{position:fixed;right:18px;bottom:84px;width:42px;height:42px;border-radius:50%;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-2);font-size:.7rem;font-weight:700;color:var(--ink-2);cursor:pointer;z-index:140;display:none;place-items:center}
.back-top.show{display:grid}
.back-top:hover{background:var(--white);color:var(--brand);transform:translateY(-3px)}

/* motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* responsive */
@media (min-width:640px){}
@media (max-width:1024px){
  .main-col-wrap{grid-template-columns:1fr}
  .side-sticky{position:static;flex-direction:row;align-items:stretch;flex-wrap:wrap}
  .side-sticky > *{flex:1 1 calc(50% - 12px);min-width:250px}
  .cat-head{grid-template-columns:1fr}
  .cat-side-info{align-items:flex-start}
  .tl-card-inner{grid-template-columns:1fr}
  .tl-thumb{min-height:180px}
  .tl-thumb{order:-1}
}
@media (max-width:768px){
  .header-top{padding-block:10px}
  .brand-mark{width:38px;height:38px;font-size:1.15rem;border-radius:10px}
  .brand-text strong{font-size:1.1rem}
  .header-link{display:none}
  .header-cta{height:36px;padding:0 14px;font-size:.82rem}
  .cat-head{padding-block:32px 28px}
  .pagination-row{gap:6px}
  .page-num{width:34px;height:34px;font-size:.82rem}
  .site-footer .container{padding-block:48px 20px}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px 20px}
  .footer-brand{grid-column:1/-1}
  .tl-item::before{left:-26px}
  .timeline-list{padding-left:26px}
  .side-sticky > *{flex:1 1 100%}
}
@media (max-width:520px){
  .chip-nav{padding-bottom:10px}
  .actions-row{width:100%}
  .entry-foot{gap:10px}
  .footer-main{grid-template-columns:1fr}
  .brand-domain{display:none}
  .hero-actions .btn{width:100%}
  .bottom-bar{left:0;right:0}
  .modal-body{padding:24px 18px 20px}
  .back-top{bottom:74px}
}

/* JS helpers */
.js-open-modal{cursor:pointer}
.mobile-menu-trigger{display:none}
@media (max-width:640px){
  .mobile-menu-trigger{display:inline-flex}
  .header-link.mobile-head-link{display:inline-flex;background:transparent;border:1px solid var(--line);border-radius:8px;font-size:.8rem;color:var(--ink-2);padding:6px 10px}
}