/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-deep:#111530;
  --ink-soft:#262d55;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --gold-deep:#c98d00;
  --bg:#f5f7fc;
  --surface:#ffffff;
  --surface-alt:#eef1f9;
  --text:#1a1f3d;
  --muted:#5f6784;
  --line:#e2e7f2;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 24px 64px rgba(26,31,61,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px;}
.container{width:min(100% - 40px, var(--container));margin-inline:auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn--gold{background:linear-gradient(135deg,#ffc93c,#ffb400 55%,#f0a000);color:#1a1f3d;box-shadow:0 10px 26px rgba(255,180,0,.35);}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);}
.btn--gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3);}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow);}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:14px 0;background:rgba(17,21,48,.26);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:background .3s ease,box-shadow .3s ease,padding .3s ease;}
.site-header.is-solid{background:rgba(17,21,48,.95);box-shadow:0 12px 34px rgba(0,0,0,.32);padding:8px 0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:.02em;}
.logo__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(255,180,0,.42);}
.logo__text small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.5);line-height:1.2;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{display:block;padding:9px 16px;border-radius:999px;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav__link.is-active{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 6px 18px rgba(255,180,0,.35);}
.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;transition:background .2s ease;}
.nav__toggle:hover{background:rgba(255,255,255,.18);}
.nav__toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;}

/* hero */
.hero{position:relative;overflow:hidden;padding:172px 0 96px;color:#fff;background:linear-gradient(160deg,rgba(17,21,48,.96) 0%,rgba(26,31,61,.91) 46%,rgba(38,45,85,.88) 100%),url('/assets/images/8ada6686258fd930.webp') center/cover no-repeat;}
.hero::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-45%;height:70%;background:radial-gradient(circle at 50% 0,rgba(255,180,0,.24),transparent 66%);pointer-events:none;}
.hero__inner{position:relative;z-index:2;max-width:940px;margin-inline:auto;text-align:center;}
.hero__badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px 7px 8px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.45);color:#ffd166;font-size:14px;font-weight:700;}
.hero__badge b{background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:900;letter-spacing:.04em;}
.hero__title{font-size:clamp(28px,4.4vw,50px);line-height:1.26;letter-spacing:-.01em;margin:26px 0 0;font-weight:800;}
.hero__title .hl{color:var(--gold);}
.hero__lead{margin:22px auto 0;max-width:770px;font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.82);}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px;}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:54px;max-width:740px;margin-inline:auto;}
.hero__stat{padding:20px 14px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px);transition:background .25s ease,transform .25s ease;}
.hero__stat:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);}
.hero__stat strong{display:block;font-size:26px;color:var(--gold);font-weight:900;line-height:1.3;}
.hero__stat span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* sections */
.section{padding:88px 0;position:relative;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:linear-gradient(160deg,#161c3c,#1a1f3d 58%,#242b57);color:#fff;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.section--dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.9vw,34px);line-height:1.36;margin-top:14px;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.92;}
.section--dark .section-head p{color:rgba(255,255,255,.76);}

/* grids & cards */
.grid{display:grid;gap:22px;}
.grid--2{grid-template-columns:repeat(2,1fr);}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--4{grid-template-columns:repeat(4,1fr);}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d7ddee;}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.card__num{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(255,180,0,.14);color:var(--gold-deep);font-weight:900;font-size:16px;margin-bottom:14px;}

/* pain list */
.pain-list{display:grid;gap:14px;}
.pain-item{display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:start;padding:22px 26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.pain-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#ffd88a;}
.pain-item__num{font-size:22px;font-weight:900;color:var(--gold);line-height:1.25;font-family:Georgia,serif;}
.pain-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px;}
.pain-item p{color:var(--muted);font-size:14.5px;line-height:1.8;}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split__media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#dfe4f2;}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s ease;}
.split__media:hover img{transform:scale(1.04);}
.split__list{display:grid;gap:16px;margin-top:26px;}
.split__list li{padding-left:26px;position:relative;color:var(--muted);font-size:15px;line-height:1.85;}
.split__list li::before{content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,#ffc93c,#ffb400);}
.split__list li strong{color:var(--text);font-weight:800;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;margin-top:52px;}
.step{position:relative;background:var(--surface);border-radius:var(--radius-lg);padding:38px 26px 26px;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-16px;left:26px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;font-weight:900;font-size:13.5px;padding:6px 15px;border-radius:999px;box-shadow:0 8px 20px rgba(255,180,0,.36);letter-spacing:.06em;}
.step h3{font-size:17px;font-weight:800;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.85;}

/* progress */
.progress-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm);}
.progress-row{margin-top:24px;}
.progress-row:first-child{margin-top:0;}
.progress-row__top{display:flex;justify-content:space-between;align-items:baseline;font-size:14.5px;font-weight:700;margin-bottom:9px;gap:12px;}
.progress-row__top span:last-child{color:var(--gold-deep);font-weight:900;}
.bar{height:10px;border-radius:999px;background:#e9edf7;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffd166,#ffb400);}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;margin-top:8px;}
.metric{padding:18px 10px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:background .25s ease,transform .25s ease;}
.metric:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);}
.metric strong{display:block;font-size:32px;color:var(--gold);font-weight:900;line-height:1.3;}
.metric span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;transition:transform .25s ease,box-shadow .25s ease;}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote::before{content:"\201C";position:absolute;top:2px;right:22px;font-size:58px;color:#ffe3a3;font-family:Georgia,serif;line-height:1;}
.quote p{font-size:15px;color:#333a58;line-height:1.9;position:relative;z-index:1;}
.quote__author{display:flex;align-items:center;gap:12px;margin-top:20px;}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#2b3468,#1a1f3d);color:#ffb400;display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;}
.quote__author strong{display:block;font-size:14px;font-weight:800;}
.quote__author small{color:var(--muted);font-size:12.5px;}

/* updates */
.update-list{display:grid;gap:16px;}
.update-item{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:22px 26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.update-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ffd88a;}
.update-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px;}
.update-item p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.badge{display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:800;background:#eef1fb;color:#3b4480;white-space:nowrap;height:fit-content;}
.badge--gold{background:rgba(255,180,0,.16);color:#b37900;}

/* channels */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel{display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.channel:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#ffd88a;}
.channel__img{aspect-ratio:16/10;overflow:hidden;background:#dfe4f2;}
.channel__img img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.channel:hover .channel__img img{transform:scale(1.07);}
.channel__body{padding:26px 24px;flex:1;display:flex;flex-direction:column;}
.channel__body h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.channel__body p{color:var(--muted);font-size:14.5px;line-height:1.85;flex:1;}
.channel__more{margin-top:18px;font-weight:800;font-size:14px;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px;}
.channel:hover .channel__more{color:var(--gold);}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#ffd88a;}
.post-card h3{font-size:16.5px;line-height:1.6;margin:14px 0 10px;font-weight:800;}
.post-card p{color:var(--muted);font-size:14px;line-height:1.82;flex:1;}
.post-card time{display:block;margin-top:16px;font-size:12.5px;color:#8a91ab;}
.tag{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:999px;background:#f0f3fb;color:#3b4480;font-size:12.5px;font-weight:700;}
.empty-state{padding:36px;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.25);color:rgba(255,255,255,.7);text-align:center;font-size:15px;}

/* picks */
.picks{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pick{display:block;padding:24px 22px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:background .25s ease,transform .25s ease,border-color .25s ease;}
.pick:hover{background:rgba(255,255,255,.13);transform:translateY(-4px);border-color:rgba(255,180,0,.5);}
.pick h3{font-size:15.5px;line-height:1.6;color:#fff;margin-bottom:12px;font-weight:700;}
.pick time{font-size:12.5px;color:rgba(255,255,255,.6);}

/* faq */
.faq{display:grid;gap:14px;max-width:880px;margin-inline:auto;}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq details[open]{border-color:#ffd88a;box-shadow:var(--shadow);}
.faq summary{list-style:none;cursor:pointer;padding:20px 58px 20px 26px;font-weight:800;font-size:16px;position:relative;transition:color .2s ease;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--gold-deep);transition:transform .25s ease;line-height:1;}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq summary:hover{color:var(--gold-deep);}
.faq__a{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.92;}

/* cta */
.cta{position:relative;overflow:hidden;border-radius:26px;padding:58px 48px;background:linear-gradient(135deg,#1a1f3d,#2a3160);color:#fff;text-align:center;box-shadow:var(--shadow-lg);}
.cta::before{content:"";position:absolute;left:-15%;right:-15%;top:-60%;height:150%;background:radial-gradient(circle at 50% 0,rgba(255,180,0,.28),transparent 62%);pointer-events:none;}
.cta > *{position:relative;z-index:1;}
.cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.35;}
.cta p{margin:16px auto 0;max-width:640px;color:rgba(255,255,255,.8);line-height:1.92;font-size:15.5px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}

/* footer */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.7);padding-top:66px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.6);max-width:400px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);transition:color .2s ease;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);}

/* responsive */
@media (max-width:1024px){
  .grid--4,.metrics{grid-template-columns:repeat(2,1fr);}
  .grid--3,.steps,.quotes,.channel-grid,.post-grid,.picks{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:74px 0;}
}
@media (max-width:900px){
  .nav__toggle{display:flex;}
  .nav__list{position:absolute;top:calc(100% + 12px);left:0;right:0;flex-direction:column;align-items:stretch;background:rgba(17,21,48,.98);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:12px;gap:4px;box-shadow:var(--shadow-lg);display:none;}
  .nav__list.is-open{display:flex;}
  .nav__link{padding:13px 16px;text-align:left;}
}
@media (max-width:768px){
  .section{padding:62px 0;}
  .hero{padding:140px 0 74px;}
  .grid--2,.grid--3,.grid--4,.steps,.quotes,.channel-grid,.post-grid,.picks,.metrics{grid-template-columns:1fr;}
  .hero__stats{grid-template-columns:1fr;margin-top:40px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta{padding:42px 24px;border-radius:20px;}
  .progress-card{padding:26px;}
  .pain-item{grid-template-columns:1fr;gap:8px;}
  .update-item{grid-template-columns:1fr;gap:10px;}
  .section-head{margin-bottom:34px;}
}
@media (max-width:520px){
  .container{width:calc(100% - 32px);}
  .hero__title{font-size:26px;}
  .hero__lead{font-size:15.5px;}
  .btn{width:100%;}
  .cta__actions{gap:10px;}
  .logo{font-size:17px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --ink:#1a1f3d;
  --ink-deep:#111530;
  --ink-soft:#262d55;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --gold-deep:#c98d00;
  --bg:#f5f7fc;
  --surface:#ffffff;
  --surface-alt:#eef1f9;
  --text:#1a1f3d;
  --muted:#5f6784;
  --line:#e2e7f2;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 24px 64px rgba(26,31,61,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15em;}
::selection{background:rgba(255,180,0,.32);}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.container{width:min(100% - 40px, var(--container));margin-inline:auto;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn--gold{background:linear-gradient(135deg,#ffc93c,#ffb400 55%,#f0a000);color:#1a1f3d;box-shadow:0 10px 26px rgba(255,180,0,.35);}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);}
.btn--gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3);}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn--sm{padding:10px 20px;font-size:14px;}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:14px 0;background:rgba(17,21,48,.26);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:background .3s ease,box-shadow .3s ease,padding .3s ease;}
.site-header.is-solid{background:rgba(17,21,48,.95);box-shadow:0 12px 34px rgba(0,0,0,.32);padding:8px 0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:.02em;}
.logo__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(255,180,0,.42);}
.logo__text small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.5);line-height:1.2;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{display:block;padding:9px 16px;border-radius:999px;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav__link.is-active{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 6px 18px rgba(255,180,0,.35);}
.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;transition:background .2s ease;}
.nav__toggle:hover{background:rgba(255,255,255,.18);}
.nav__toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;}

/* ---------- article head ---------- */
.article-head{position:relative;overflow:hidden;padding:150px 0 72px;color:#fff;background:linear-gradient(155deg,rgba(17,21,48,.96) 0%,rgba(26,31,61,.93) 48%,rgba(38,45,85,.9) 100%),url('/assets/images/8ada6686258fd930.webp') center/cover no-repeat;}
.article-head::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-52%;height:72%;background:radial-gradient(circle at 50% 0,rgba(255,180,0,.22),transparent 66%);pointer-events:none;}
.article-head__inner{position:relative;z-index:2;max-width:900px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.crumb span{color:rgba(255,255,255,.38);}
.crumb b{color:var(--gold-light);font-weight:700;}
.article-head h1{font-size:clamp(24px,3.5vw,40px);line-height:1.34;font-weight:800;letter-spacing:-.01em;margin-top:20px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;color:rgba(255,255,255,.82);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);}
.chip--gold{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);border-color:transparent;font-weight:800;}
.article-lead{margin-top:26px;padding:22px 26px;border-radius:var(--radius);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-left:4px solid var(--gold);font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.86);backdrop-filter:blur(6px);}

/* ---------- sections ---------- */
.section{padding:80px 0;position:relative;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:linear-gradient(160deg,#161c3c,#1a1f3d 58%,#242b57);color:#fff;}
.section--tight{padding:56px 0;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.section--dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(22px,2.7vw,32px);line-height:1.4;margin-top:14px;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9;}
.section--dark .section-head p{color:rgba(255,255,255,.74);}

/* ---------- article layout ---------- */
.article-body{padding:64px 0 80px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.paper{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px 44px;}
.prose{font-size:16.5px;line-height:1.98;color:#333a5c;}
.prose > * + *{margin-top:18px;}
.prose h2{font-size:23px;line-height:1.5;font-weight:800;color:var(--ink);margin-top:38px;padding-left:14px;position:relative;}
.prose h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;background:linear-gradient(180deg,#ffc93c,#ffb400);}
.prose h3{font-size:19px;line-height:1.55;font-weight:800;color:var(--ink-soft);margin-top:30px;}
.prose h4{font-size:17px;font-weight:800;color:var(--ink-soft);margin-top:24px;}
.prose p{margin-top:16px;}
.prose a{color:var(--gold-deep);font-weight:600;border-bottom:1px dashed rgba(201,141,0,.5);transition:color .2s ease,border-color .2s ease;}
.prose a:hover{color:#8e6500;border-bottom-color:#8e6500;}
.prose strong{color:var(--ink);font-weight:800;}
.prose ul,.prose ol{margin-top:16px;padding-left:1.3em;}
.prose li{margin-top:9px;}
.prose li::marker{color:var(--gold-deep);font-weight:800;}
.prose img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-top:22px;}
.prose blockquote{margin-top:24px;padding:18px 22px;border-left:4px solid var(--gold);background:var(--surface-alt);border-radius:0 var(--radius) var(--radius) 0;color:#3d4569;font-size:15.5px;}
.prose table{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.prose th{background:var(--ink);color:#fff;font-weight:700;text-align:left;padding:12px 14px;}
.prose td{padding:12px 14px;border-bottom:1px solid var(--line);background:#fff;}
.prose tr:last-child td{border-bottom:0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.empty-state{text-align:center;padding:60px 24px;}
.empty-state h3{font-size:21px;font-weight:800;color:var(--ink);}
.empty-state p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.empty-state .btn{margin-top:26px;}

/* ---------- sidebar ---------- */
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:26px;transition:box-shadow .25s ease,transform .25s ease;}
.side-card + .side-card{margin-top:22px;}
.side-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.side-card__title{font-size:15.5px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.side-card__title::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,#ffc93c,#ffb400);}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#414a6b;line-height:1.7;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li::before{content:"◆";color:var(--gold);font-size:10px;margin-right:8px;vertical-align:2px;}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li{border-bottom:1px solid var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:block;padding:12px 0;font-size:14.5px;font-weight:600;color:#333a5c;line-height:1.65;transition:color .2s ease,padding-left .2s ease;}
.side-links a:hover{color:var(--gold-deep);padding-left:6px;}
.side-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:800;color:var(--gold-deep);transition:gap .2s ease;}
.side-more:hover{gap:11px;}

/* ---------- key points ---------- */
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.point-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5);}
.point-card__no{font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--gold-deep);}
.point-card h3{font-size:17px;font-weight:800;margin-top:10px;color:var(--ink);line-height:1.5;}
.point-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ---------- steps ---------- */
.step-list{display:grid;gap:18px;}
.step-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;align-items:start;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.step-item:hover{transform:translateX(4px);box-shadow:var(--shadow);}
.step-item__num{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:20px;font-weight:900;color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 8px 22px rgba(255,180,0,.35);}
.step-item h3{font-size:18px;font-weight:800;color:var(--ink);}
.step-item p{margin-top:9px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ---------- stat band ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-box{padding:26px 22px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);transition:background .25s ease,transform .25s ease;}
.stat-box:hover{background:rgba(255,255,255,.13);transform:translateY(-4px);}
.stat-box strong{display:block;font-size:29px;font-weight:900;color:var(--gold);line-height:1.3;}
.stat-box span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin-inline:auto;display:grid;gap:14px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow);}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:800;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:700;color:var(--gold-deep);line-height:1;transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 24px 22px;font-size:15px;line-height:1.95;color:var(--muted);}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;background:linear-gradient(135deg,#1a1f3d,#242b57 60%,#2f3872);color:#fff;box-shadow:var(--shadow-lg);}
.cta-band::after{content:"";position:absolute;right:-8%;top:-40%;width:420px;height:420px;background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);pointer-events:none;}
.cta-band__inner{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:clamp(22px,2.7vw,31px);font-weight:800;line-height:1.4;}
.cta-band p{margin-top:16px;font-size:15.5px;line-height:1.92;color:rgba(255,255,255,.8);}
.cta-band .btn{margin-top:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-actions .btn{margin-top:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.6);max-width:380px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold-light);padding-left:5px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:26px;font-size:13.5px;color:rgba(255,255,255,.48);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:30px;}
  .paper{padding:32px 28px;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:860px){
  .nav__toggle{display:flex;}
  .nav__list{display:none;position:absolute;top:calc(100% + 12px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:12px;border-radius:var(--radius);background:rgba(17,21,48,.98);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-lg);}
  .nav__list.is-open{display:flex;}
  .nav__link{text-align:left;padding:11px 14px;}
  .article-head{padding:130px 0 58px;}
  .section{padding:64px 0;}
  .step-item{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:40px 26px;}
}
@media (max-width:560px){
  .container{width:min(100% - 28px, var(--container));}
  .logo{font-size:17px;}
  .logo__mark{width:32px;height:32px;font-size:15px;border-radius:10px;}
  .article-head{padding:118px 0 48px;}
  .article-lead{padding:18px 20px;font-size:14.5px;}
  .paper{padding:24px 20px;border-radius:var(--radius);}
  .prose{font-size:16px;}
  .prose h2{font-size:20px;}
  .point-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .cta-actions{flex-direction:column;}
  .footer-bottom{justify-content:center;text-align:center;}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-deep:#111530;
 --ink-soft:#262d55;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#c98d00;
 --bg:#f5f7fc;
 --surface:#ffffff;
 --surface-alt:#eef1f9;
 --text:#1a1f3d;
 --muted:#5f6784;
 --line:#e2e7f2;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 64px rgba(26,31,61,.18);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:6px;}
.container{width:min(100% - 40px, var(--container));margin-inline:auto;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn--gold{background:linear-gradient(135deg,#ffc93c,#ffb400 55%,#f0a000);color:#1a1f3d;box-shadow:0 10px 26px rgba(255,180,0,.35);}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);}
.btn--gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3);}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn--line{border-color:var(--line);color:var(--ink);background:#fff;}
.btn--line:hover{border-color:var(--gold);color:var(--gold-deep);box-shadow:var(--shadow-sm);transform:translateY(-2px);}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:14px 0;background:rgba(17,21,48,.26);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:background .3s ease,box-shadow .3s ease,padding .3s ease;}
.site-header.is-solid{background:rgba(17,21,48,.95);box-shadow:0 12px 34px rgba(0,0,0,.32);padding:8px 0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:.02em;}
.logo__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(255,180,0,.42);}
.logo__text{display:block;line-height:1.2;}
.logo__text small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.5);line-height:1.2;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{display:block;padding:9px 16px;border-radius:999px;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;white-space:nowrap;}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav__link.is-active{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 6px 18px rgba(255,180,0,.35);}
.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;transition:background .2s ease;}
.nav__toggle:hover{background:rgba(255,255,255,.18);}
.nav__toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* sections */
.section{padding:88px 0;position:relative;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:linear-gradient(160deg,#161c3c,#1a1f3d 58%,#242b57);color:#fff;}
.section--tight{padding:60px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.section--dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.9vw,34px);line-height:1.36;margin-top:14px;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.92;}
.section--dark .section-head p{color:rgba(255,255,255,.74);}

/* category hero */
.cat-hero{position:relative;overflow:hidden;padding:164px 0 92px;color:#fff;background:linear-gradient(150deg,rgba(17,21,48,.97) 0%,rgba(26,31,61,.93) 52%,rgba(38,45,85,.88) 100%),url('/assets/images/31831a0212a47064.webp') center/cover no-repeat;}
.cat-hero::after{content:"";position:absolute;right:-14%;top:-30%;width:62%;height:120%;background:radial-gradient(circle at 60% 40%,rgba(255,180,0,.22),transparent 62%);pointer-events:none;}
.cat-hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.cat-hero__badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px 7px 8px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.45);color:#ffd166;font-size:14px;font-weight:700;}
.cat-hero__badge b{background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:900;letter-spacing:.04em;}
.cat-hero h1{font-size:clamp(28px,4vw,46px);line-height:1.28;margin-top:24px;font-weight:800;letter-spacing:-.01em;}
.cat-hero h1 .hl{color:var(--gold);}
.cat-hero__lead{margin-top:22px;max-width:600px;font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.82);}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:600;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.84);}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}

/* rank card */
.rank-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);backdrop-filter:blur(10px);}
.rank-card__head{position:relative;}
.rank-card__head img{width:100%;height:186px;object-fit:cover;}
.rank-card__badge{position:absolute;left:16px;bottom:-14px;padding:7px 16px;border-radius:999px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;font-size:12.5px;font-weight:900;letter-spacing:.08em;box-shadow:0 8px 22px rgba(255,180,0,.42);}
.rank-card__body{padding:32px 24px 24px;}
.rank-card__body h2{font-size:18px;font-weight:800;color:#fff;letter-spacing:.01em;}
.rank-list{margin-top:18px;display:grid;gap:14px;}
.rank-list li{display:flex;gap:12px;align-items:flex-start;}
.rank-list__lv{flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:900;background:rgba(255,180,0,.16);color:var(--gold-light);border:1px solid rgba(255,180,0,.4);}
.rank-list b{display:block;font-size:14.5px;color:#fff;font-weight:700;}
.rank-list p{margin-top:3px;font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7;}
.rank-card__cta{width:100%;margin-top:24px;}

/* pain / solution */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.pain-list{display:grid;gap:16px;}
.pain-item{display:flex;gap:16px;padding:20px 22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.4);}
.pain-item__ico{flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:16px;font-weight:900;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);}
.pain-item h3{font-size:16px;font-weight:800;letter-spacing:.01em;}
.pain-item p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.fix-panel{padding:30px;border-radius:var(--radius-lg);background:linear-gradient(165deg,#1a1f3d,#262d55);color:#fff;box-shadow:var(--shadow);}
.fix-panel h3{font-size:19px;font-weight:800;color:#fff;}
.fix-panel > p{margin-top:12px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);}
.fix-panel ul{margin-top:22px;display:grid;gap:14px;}
.fix-panel li{display:flex;gap:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.86);}
.fix-panel li::before{content:"✓";flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:900;background:rgba(255,180,0,.2);color:var(--gold-light);}

/* card grid */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45);}
.card__tag{display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);}
.card h3{margin-top:16px;font-size:18px;font-weight:800;letter-spacing:.01em;}
.card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.9;}
.card__foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);}
.card__foot b{color:var(--ink);font-weight:800;}

/* steps */
.steps{display:grid;gap:18px;}
.step{display:grid;grid-template-columns:76px 1fr;gap:24px;align-items:flex-start;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow);}
.step__num{font-size:30px;font-weight:900;line-height:1;color:transparent;background:linear-gradient(135deg,#ffc93c,#ffb400);-webkit-background-clip:text;background-clip:text;letter-spacing:-.02em;}
.step h3{font-size:18px;font-weight:800;}
.step p{margin-top:8px;font-size:14.8px;color:var(--muted);line-height:1.9;}

/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-band .stat{padding:28px 22px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:background .25s ease,transform .25s ease;}
.stat-band .stat:hover{background:rgba(255,255,255,.12);transform:translateY(-3px);}
.stat strong{display:block;font-size:30px;font-weight:900;color:var(--gold);line-height:1.2;}
.stat span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.7);}

/* case */
.case{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center;}
.case__media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.case__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease;}
.case__media:hover img{transform:scale(1.04);}
.case__body h2{font-size:clamp(23px,2.8vw,32px);line-height:1.36;font-weight:800;letter-spacing:-.01em;}
.case__body > p{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.95;}
.case-list{margin-top:24px;display:grid;gap:12px;}
.case-list li{display:flex;gap:12px;font-size:15px;line-height:1.85;color:var(--ink-soft);}
.case-list li span{flex:0 0 auto;width:8px;height:8px;margin-top:11px;border-radius:50%;background:linear-gradient(135deg,#ffc93c,#ffb400);}

/* audience */
.aud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.aud{display:flex;gap:18px;padding:26px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.aud:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.4);}
.aud__ico{flex:0 0 auto;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(150deg,#262d55,#1a1f3d);color:var(--gold-light);font-size:18px;font-weight:900;}
.aud h3{font-size:17px;font-weight:800;}
.aud p{margin-top:7px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;padding:26px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45);}
.news-card__cat{align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);}
.news-card h3{margin-top:15px;font-size:16.5px;font-weight:800;line-height:1.6;}
.news-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;flex:1;}
.news-card__time{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:#8a91ab;}
.news-empty{padding:34px;border-radius:var(--radius);border:1px dashed var(--line);background:var(--surface);color:var(--muted);text-align:center;font-size:15px;}

/* faq */
.faq{display:grid;gap:14px;max-width:900px;margin-inline:auto;}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;}
.faq details[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);}
.faq summary{cursor:pointer;list-style:none;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";flex:0 0 auto;font-size:20px;font-weight:700;color:var(--gold-deep);line-height:1;transition:transform .2s ease;}
.faq details[open] summary::after{content:"−";}
.faq__body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.95;}

/* cta */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;background:linear-gradient(150deg,#161c3c,#1a1f3d 55%,#2a3263);color:#fff;box-shadow:var(--shadow-lg);text-align:center;}
.cta-band::after{content:"";position:absolute;left:50%;top:-60%;width:70%;height:200%;transform:translateX(-50%);background:radial-gradient(circle,rgba(255,180,0,.18),transparent 62%);pointer-events:none;}
.cta-band h2{position:relative;z-index:2;font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.36;}
.cta-band p{position:relative;z-index:2;margin:16px auto 0;max-width:640px;font-size:15.5px;line-height:1.95;color:rgba(255,255,255,.78);}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px;}

/* footer */
.site-footer{background:linear-gradient(160deg,#111530,#1a1f3d 60%,#20264a);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:42px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5);}

/* responsive */
@media (max-width:1024px){
 .cat-hero__grid{grid-template-columns:1fr;gap:38px;}
 .cat-hero__lead{max-width:100%;}
 .rank-card{max-width:520px;}
 .split{grid-template-columns:1fr;gap:34px;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .stat-band{grid-template-columns:repeat(2,1fr);}
 .case{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
 .nav__toggle{display:flex;}
 .nav__list{position:absolute;top:calc(100% + 14px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:14px;border-radius:var(--radius);background:rgba(17,21,48,.98);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-lg);display:none;}
 .nav__list.is-open{display:flex;}
 .nav__link{padding:12px 16px;text-align:left;}
}
@media (max-width:768px){
 .section{padding:64px 0;}
 .cat-hero{padding:132px 0 68px;}
 .aud-grid{grid-template-columns:1fr;}
 .card-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .step{grid-template-columns:1fr;gap:10px;padding:22px;}
 .cta-band{padding:40px 24px;}
 .section-head{margin-bottom:32px;}
}
@media (max-width:520px){
 .stat-band{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .logo{font-size:17px;}
 .logo__mark{width:32px;height:32px;font-size:15px;}
 .cat-hero__actions .btn,.cta-band__actions .btn{width:100%;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .container{width:min(100% - 28px, var(--container));}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-deep:#111530;
 --ink-soft:#262d55;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#c98d00;
 --bg:#f5f7fc;
 --surface:#ffffff;
 --surface-alt:#eef1f9;
 --text:#1a1f3d;
 --muted:#5f6784;
 --line:#e2e7f2;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 12px 32px rgba(26,31,61,.10);
 --shadow-lg:0 24px 64px rgba(26,31,61,.18);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:min(100% - 40px, var(--container));margin-inline:auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;}
.btn--gold{background:linear-gradient(135deg,#ffc93c,#ffb400 55%,#f0a000);color:#1a1f3d;box-shadow:0 10px 26px rgba(255,180,0,.35);}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);}
.btn--gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3);}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn:focus-visible,.nav__link:focus-visible,.nav__toggle:focus-visible,.news-card:focus-visible,.footer-col a:focus-visible{outline:3px solid var(--gold);outline-offset:3px;}
/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:14px 0;background:rgba(17,21,48,.26);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:background .3s ease,box-shadow .3s ease,padding .3s ease;}
.site-header.is-solid{background:rgba(17,21,48,.95);box-shadow:0 12px 34px rgba(0,0,0,.32);padding:8px 0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:.02em;}
.logo__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(255,180,0,.42);}
.logo__text small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.5);line-height:1.2;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{display:block;padding:9px 16px;border-radius:999px;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav__link.is-active{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 6px 18px rgba(255,180,0,.35);}
.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;transition:background .2s ease;}
.nav__toggle:hover{background:rgba(255,255,255,.18);}
.nav__toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav__toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav__toggle.is-open i:nth-child(2){opacity:0;}
.nav__toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* hero */
.hero{position:relative;overflow:hidden;padding:168px 0 92px;color:#fff;background:linear-gradient(160deg,rgba(17,21,48,.96) 0%,rgba(26,31,61,.92) 44%,rgba(38,45,85,.88) 100%),url('/assets/images/8ada6686258fd930.webp') center/cover no-repeat;}
.hero::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-45%;height:70%;background:radial-gradient(circle at 50% 0,rgba(255,180,0,.24),transparent 66%);pointer-events:none;}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero__badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px 7px 8px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.45);color:#ffd166;font-size:14px;font-weight:700;}
.hero__badge b{background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:900;letter-spacing:.04em;}
.hero__title{font-size:clamp(27px,3.6vw,44px);line-height:1.28;margin:22px 0 0;}
.hero__title .hl{color:var(--gold);}
.hero__lead{margin-top:20px;max-width:620px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero__meta span{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:rgba(255,255,255,.78);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);}
/* group panel */
.group-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:28px 26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 24px 60px rgba(0,0,0,.28);}
.group-panel__label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;font-weight:700;color:rgba(255,255,255,.66);letter-spacing:.08em;}
.group-panel__label em{font-style:normal;color:var(--gold-light);background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.4);padding:3px 10px;border-radius:999px;font-size:12px;letter-spacing:0;}
.group-panel__count{display:flex;align-items:baseline;gap:8px;margin-top:16px;}
.group-panel__count strong{font-size:40px;line-height:1;font-weight:900;color:var(--gold);}
.group-panel__count span{font-size:14px;color:rgba(255,255,255,.7);}
.group-panel__avatars{display:flex;align-items:center;margin-top:18px;}
.group-panel__avatars i{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:800;color:#1a1f3d;background:linear-gradient(135deg,#ffe08a,#ffb400);border:2px solid rgba(17,21,48,.75);margin-left:-9px;}
.group-panel__avatars i:first-child{margin-left:0;}
.group-panel__avatars i:last-child{background:rgba(255,255,255,.16);color:#fff;font-size:11px;font-weight:700;}
.group-panel__bar{height:9px;border-radius:999px;background:rgba(255,255,255,.15);margin-top:20px;overflow:hidden;}
.group-panel__bar em{display:block;height:100%;width:85%;border-radius:999px;background:linear-gradient(90deg,#ffd166,#ffb400);}
.group-panel__note{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.74);line-height:1.8;}
.group-panel__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.group-panel__btns .btn{flex:1 1 140px;padding:12px 18px;font-size:14.5px;}
/* sections */
.section{padding:88px 0;position:relative;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:linear-gradient(160deg,#161c3c,#1a1f3d 58%,#242b57);color:#fff;}
.section--tight{padding:64px 0;}
.section-head{max-width:800px;margin-bottom:44px;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.section--dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.9vw,34px);line-height:1.36;margin-top:14px;}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.92;}
.section--dark .section-head p{color:rgba(255,255,255,.76);}
/* pain cards */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.pain-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55);}
.pain-card__no{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(26,31,61,.06);color:var(--ink);font-weight:900;font-size:15px;}
.pain-card h3{font-size:18px;margin-top:16px;line-height:1.5;}
.pain-card p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85;}
/* solution split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split__media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease;}
.split__media:hover img{transform:scale(1.04);}
.split__media figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 22px 18px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(180deg,transparent,rgba(17,21,48,.88));}
.split__body h2{font-size:clamp(23px,2.8vw,32px);line-height:1.38;}
.split__body p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.95;}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text);line-height:1.8;}
.check-list li b{flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:rgba(255,180,0,.18);color:var(--gold-deep);font-size:13px;font-weight:900;margin-top:2px;}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px;}
.step{position:relative;padding:28px 22px 26px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:background .25s ease,transform .25s ease;}
.step:hover{background:rgba(255,255,255,.11);transform:translateY(-4px);}
.step__no{font-size:13px;font-weight:900;letter-spacing:.14em;color:var(--gold);}
.step h3{font-size:17.5px;margin-top:12px;line-height:1.5;}
.step p{margin-top:10px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.74);}
/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.stat-card strong{display:block;font-size:32px;font-weight:900;color:var(--ink);line-height:1.2;}
.stat-card strong em{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:2px;}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;}
/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.voice{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;transition:transform .25s ease,box-shadow .25s ease;}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.voice__text{font-size:15.5px;line-height:1.9;color:var(--text);}
.voice__who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.voice__avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:15px;color:#1a1f3d;background:linear-gradient(135deg,#ffe08a,#ffb400);}
.voice__who strong{display:block;font-size:14.5px;font-weight:800;}
.voice__who span{display:block;font-size:12.5px;color:var(--muted);}
/* crowd */
.crowd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.crowd-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;}
.crowd-card:hover{border-color:rgba(255,180,0,.6);transform:translateY(-4px);box-shadow:var(--shadow);}
.crowd-card h3{font-size:18px;}
.crowd-card p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag{padding:8px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-soft);box-shadow:var(--shadow-sm);transition:background .2s ease,color .2s ease,border-color .2s ease;}
.tag:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55);}
.news-card__tag{align-self:flex-start;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;color:var(--gold-deep);background:rgba(255,180,0,.14);}
.news-card__title{font-size:17.5px;line-height:1.55;}
.news-card__desc{font-size:14.5px;color:var(--muted);line-height:1.85;}
.news-card__time{margin-top:auto;font-size:13px;color:#8b93ac;font-weight:600;}
.news-empty{padding:36px 24px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);font-size:15px;}
.news-more{display:flex;justify-content:center;margin-top:40px;}
/* metrics */
.metric-list{display:grid;gap:22px;margin-top:8px;}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px 24px;}
.metric__top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;}
.metric__top h3{font-size:16.5px;font-weight:700;}
.metric__top b{font-size:20px;font-weight:900;color:var(--gold);}
.metric__bar{height:8px;border-radius:999px;background:rgba(255,255,255,.14);margin-top:14px;overflow:hidden;}
.metric__bar em{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffd166,#ffb400);}
.metric p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
/* cta */
.cta-box{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;background:linear-gradient(150deg,rgba(26,31,61,.97),rgba(38,45,85,.95)),url('/assets/images/036eed8508678d4a.webp') center/cover no-repeat;color:#fff;box-shadow:var(--shadow-lg);}
.cta-box__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;position:relative;z-index:2;}
.cta-box h2{font-size:clamp(23px,2.9vw,32px);line-height:1.4;}
.cta-box p{margin-top:14px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.78);}
.cta-box__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-box__actions .btn{flex:1 1 160px;}
/* footer */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:66px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.6);max-width:420px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.65);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px;color:rgba(255,255,255,.5);}
/* responsive */
@media (max-width:1024px){
 .hero__grid{grid-template-columns:1fr;gap:40px;}
 .hero__lead{max-width:none;}
 .split{grid-template-columns:1fr;gap:36px;}
 .steps{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .voice-grid{grid-template-columns:repeat(2,1fr);}
 .crowd-grid{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
 .cta-box__grid{grid-template-columns:1fr;}
 .section{padding:72px 0;}
}
@media (max-width:900px){
 .nav__toggle{display:flex;}
 .nav__list{position:absolute;top:calc(100% + 14px);left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;padding:14px;border-radius:16px;background:rgba(17,21,48,.98);border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 50px rgba(0,0,0,.42);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;}
 .nav__list.is-open{opacity:1;visibility:visible;transform:translateY(0);}
 .nav__link{padding:12px 16px;border-radius:12px;}
}
@media (max-width:768px){
 .hero{padding:140px 0 72px;}
 .pain-grid{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .voice-grid{grid-template-columns:1fr;}
 .crowd-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-box{padding:40px 26px;}
 .section{padding:60px 0;}
 .section-head{margin-bottom:32px;}
}
@media (max-width:520px){
 .container{width:min(100% - 28px, var(--container));}
 .hero{padding:128px 0 60px;}
 .hero__actions{gap:10px;}
 .hero__actions .btn{flex:1 1 100%;}
 .hero__meta span{font-size:12px;padding:5px 11px;}
 .steps{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr;}
 .group-panel{padding:22px 20px;}
 .group-panel__count strong{font-size:34px;}
 .btn{padding:13px 22px;font-size:14.5px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
  --ink:#1a1f3d;
  --ink-deep:#111530;
  --ink-soft:#262d55;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --gold-deep:#c98d00;
  --bg:#f5f7fc;
  --surface:#ffffff;
  --surface-alt:#eef1f9;
  --text:#1a1f3d;
  --muted:#5f6784;
  --line:#e2e7f2;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 12px 32px rgba(26,31,61,.10);
  --shadow-lg:0 24px 64px rgba(26,31,61,.18);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:6px;}
.container{width:min(100% - 40px, var(--container));margin-inline:auto;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn--gold{background:linear-gradient(135deg,#ffc93c,#ffb400 55%,#f0a000);color:#1a1f3d;box-shadow:0 10px 26px rgba(255,180,0,.35);}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);}
.btn--gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,180,0,.3);}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn--ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.btn--dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn--dark:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn--sm{padding:11px 24px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:14px 0;background:rgba(17,21,48,.26);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.12);transition:background .3s ease,box-shadow .3s ease,padding .3s ease;}
.site-header.is-solid{background:rgba(17,21,48,.95);box-shadow:0 12px 34px rgba(0,0,0,.32);padding:8px 0;border-bottom-color:rgba(255,255,255,.08);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:.02em;}
.logo__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-size:17px;font-weight:900;box-shadow:0 6px 18px rgba(255,180,0,.42);flex:none;}
.logo__text{line-height:1.15;}
.logo__text small{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.5);line-height:1.2;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{display:block;padding:9px 16px;border-radius:999px;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;}
.nav__link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav__link.is-active{color:#1a1f3d;background:linear-gradient(135deg,#ffc93c,#ffb400);box-shadow:0 6px 18px rgba(255,180,0,.35);}
.nav__toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;transition:background .2s ease;}
.nav__toggle:hover{background:rgba(255,255,255,.18);}
.nav__toggle i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;}

/* ---------- 内页首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:152px 0 88px;color:#fff;background:linear-gradient(150deg,rgba(17,21,48,.97) 0%,rgba(26,31,61,.93) 48%,rgba(38,45,85,.88) 100%),url('/assets/images/31831a0212a47064.webp') center/cover no-repeat;}
.page-hero::after{content:"";position:absolute;left:-10%;right:-10%;bottom:-52%;height:74%;background:radial-gradient(circle at 50% 0,rgba(255,180,0,.22),transparent 66%);pointer-events:none;}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px;}
.crumb a{transition:color .2s ease;}
.crumb a:hover{color:var(--gold-light);}
.crumb em{font-style:normal;color:rgba(255,255,255,.9);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 18px 7px 8px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.45);color:#ffd166;font-size:14px;font-weight:700;}
.hero-badge b{background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:900;letter-spacing:.04em;}
.page-hero h1{font-size:clamp(27px,3.5vw,43px);line-height:1.32;font-weight:800;letter-spacing:-.01em;margin-top:22px;}
.page-hero h1 .hl{color:var(--gold);}
.hero-pain{margin-top:20px;font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.82);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

.demo-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-lg);}
.demo-card__head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em;}
.demo-card__head b{color:#ffd166;font-size:13px;font-weight:800;letter-spacing:0;}
.tiles{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 4px;}
.tile{width:48px;height:60px;border-radius:9px;background:#fbfcff;color:#1a1f3d;display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 8px 18px rgba(0,0,0,.28);border-bottom:3px solid #dfe4f2;transition:transform .2s ease;}
.tile:hover{transform:translateY(-4px);}
.tile--gold{background:linear-gradient(135deg,#ffd166,#ffb400);border-bottom-color:#c98d00;}
.tile--ghost{background:rgba(255,255,255,.08);color:rgba(255,255,255,.45);border:1px dashed rgba(255,255,255,.32);box-shadow:none;}
.demo-note{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:16px;margin-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;color:rgba(255,255,255,.78);}
.demo-note b{color:#ffd166;}

/* ---------- 板块 ---------- */
.section{padding:86px 0;position:relative;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:linear-gradient(160deg,#161c3c,#1a1f3d 58%,#242b57);color:#fff;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-inline:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gold-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px;}
.section--dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.38;margin-top:14px;font-weight:800;letter-spacing:-.01em;}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.92;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}

/* ---------- 痛点 ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.split__lead{position:sticky;top:110px;}
.split__lead h2{font-size:clamp(23px,2.8vw,33px);line-height:1.38;font-weight:800;margin-top:14px;}
.split__lead p{margin-top:16px;color:var(--muted);line-height:1.95;}
.lead-quote{margin-top:24px;padding:18px 22px;border-left:4px solid var(--gold);background:linear-gradient(90deg,rgba(255,180,0,.12),rgba(255,180,0,0));border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-weight:700;color:var(--ink);line-height:1.85;font-size:15.5px;}
.pain-list{display:grid;gap:16px;}
.pain-item{display:flex;gap:16px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfd8ee;}
.pain-item__num{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--surface-alt);color:var(--ink);font-weight:900;font-size:15px;}
.pain-item h3{font-size:17px;font-weight:800;margin-bottom:6px;}
.pain-item p{color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- 步骤 ---------- */
.steps-intro{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step;}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfd8ee;}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:13px;font-weight:900;color:var(--gold-deep);letter-spacing:.14em;margin-bottom:12px;}
.step h3{font-size:16.5px;font-weight:800;margin-bottom:10px;line-height:1.5;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- 技巧要点卡片 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;display:flex;flex-direction:column;}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfd8ee;}
.topic-card__media{position:relative;overflow:hidden;}
.topic-card__media img{width:100%;height:168px;object-fit:cover;transition:transform .5s ease;}
.topic-card:hover .topic-card__media img{transform:scale(1.06);}
.topic-card__tag{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;background:rgba(17,21,48,.82);color:var(--gold-light);font-size:12.5px;font-weight:700;letter-spacing:.04em;backdrop-filter:blur(6px);}
.topic-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-card__body h3{font-size:17.5px;font-weight:800;line-height:1.5;}
.topic-card__body p{font-size:14.5px;color:var(--muted);line-height:1.88;}
.topic-card__meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--gold-deep);font-weight:700;letter-spacing:.02em;}

/* ---------- 数据指标 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{padding:28px 22px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:background .25s ease,transform .25s ease;}
.metric:hover{background:rgba(255,255,255,.12);transform:translateY(-4px);}
.metric strong{display:block;font-size:32px;font-weight:900;color:var(--gold);line-height:1.25;letter-spacing:-.01em;}
.metric span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease;}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.quote__mark{font-size:34px;line-height:1;color:var(--gold);font-weight:900;font-family:Georgia,serif;}
.quote p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.92;flex:1;}
.quote__by{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.quote__avatar{width:40px;height:40px;border-radius:12px;flex:none;background:linear-gradient(135deg,#ffc93c,#ffb400);color:#1a1f3d;display:grid;place-items:center;font-weight:900;font-size:15px;}
.quote__by strong{display:block;font-size:14.5px;font-weight:800;}
.quote__by em{font-style:normal;font-size:13px;color:var(--muted);}

/* ---------- 适用人群 ---------- */
.who-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{padding:9px 17px;border-radius:999px;background:var(--surface-alt);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-soft);transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;}
.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.who-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.who-visual img{width:100%;height:340px;object-fit:cover;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;overflow:hidden;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd8ee;}
.news-card__link{display:flex;flex-direction:column;height:100%;padding:24px;}
.news-card__tag{align-self:flex-start;padding:4px 12px;border-radius:999px;background:rgba(255,180,0,.16);color:var(--gold-deep);font-size:12.5px;font-weight:800;letter-spacing:.03em;}
.news-card h3{font-size:17px;font-weight:800;line-height:1.55;margin-top:14px;transition:color .2s ease;}
.news-card:hover h3{color:var(--gold-deep);}
.news-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85;flex:1;}
.news-card__date{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);letter-spacing:.02em;}
.empty-note{padding:32px;border-radius:var(--radius);border:1px dashed #c8d1e6;background:var(--surface);color:var(--muted);text-align:center;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin-inline:auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease,border-color .25s ease;}
.faq-item:hover{box-shadow:var(--shadow);border-color:#cfd8ee;}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 24px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:14px;transition:color .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";flex:none;font-size:21px;line-height:1;color:var(--gold-deep);font-weight:800;transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{color:var(--gold-deep);}
.faq-a{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.92;}

/* ---------- 收口 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,#ffc93c,#ffb400 58%,#ef9f00);border-radius:var(--radius-lg);padding:46px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;color:#1a1f3d;box-shadow:0 22px 52px rgba(255,180,0,.3);}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.28);pointer-events:none;}
.cta-band h2{font-size:clamp(21px,2.5vw,29px);font-weight:900;letter-spacing:-.01em;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15.5px;line-height:1.85;color:rgba(26,31,61,.78);max-width:640px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.7);padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:44px;padding-bottom:44px;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.6);max-width:380px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin:0 0 18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--gold);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13.5px;color:rgba(255,255,255,.45);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split__lead{position:static;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .topic-grid,.quote-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .who-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:70px 0;}
}
@media (max-width:900px){
  .nav__toggle{display:flex;}
  .nav__list{position:absolute;top:calc(100% + 14px);left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:12px;border-radius:var(--radius);background:rgba(17,21,48,.98);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-lg);display:none;}
  .nav__list.is-open{display:flex;}
  .nav__link{padding:12px 16px;text-align:left;}
}
@media (max-width:768px){
  .page-hero{padding:126px 0 66px;}
  .hero-pain{font-size:15.5px;}
  .section{padding:58px 0;}
  .topic-grid,.quote-grid,.news-grid,.steps{grid-template-columns:1fr;}
  .cta-band{padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:34px;}
  .who-visual img{height:260px;}
  .tile{width:44px;height:56px;font-size:14px;}
}
@media (max-width:520px){
  .container{width:min(100% - 28px, var(--container));}
  .logo{font-size:17px;}
  .logo__mark{width:32px;height:32px;font-size:15px;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .pain-item{padding:18px;}
  .foote

r-bottom{flex-direction:column;align-items:flex-start;}
}