/* roulang page: index */
:root{
 --bg:#071222;--bg-deep:#040b17;--panel:rgba(15, thirty, 58,.72);--panel-2:rgba(19,35,67,.88);
 --line:rgba(137,174,255,.18);--line-strong:rgba(106,177,255,.42);--text:#f3f7ff;--muted:#9eacc4;
 --blue:#68a9ff;--cyan:#72e3e1;--violet:#967bff;--warm:#ffc878;--radius:18px;
 --shadow:0 18px 60px rgba(0,0,0,.32),0 0 34px rgba(49,117,232,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.72;font-size:15px;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(50,119,255,.18),transparent 30%),radial-gradient(circle at 84% 18%,rgba(126,86,255,.13),transparent 28%),linear-gradient(180deg,#08172d 0%,#071222 45%,#040b17 100%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:linear-gradient(rgba(145,181,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(145,181,255,.08) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(to bottom,black,transparent 82%)}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit}
button:focus,a:focus,input:focus,select:focus{outline:2px solid var(--cyan);outline-offset:3px}
.container{width:min(1220px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(5,14,29,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border:1px solid rgba(117,218,255,.75);border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#5fa8ff,#6d6bfa);box-shadow:0 0 20px rgba(81,163,255,.35);font-size:16px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:8px;margin:0;list-style:none}
.main-nav a{display:block;padding:9px 15px;border-radius:10px;color:#aebbd1;font-size:14px}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(93,151,255,.13)}
.nav-action{border:1px solid var(--line-strong);border-radius:11px;padding:10px 16px;color:#dcecff!important;background:rgba(94,157,255,.09)}
.menu-icon{display:none}
.hero{padding:58px 0 42px;position:relative}
.hero-panel{min-height:410px;border:1px solid var(--line);border-radius:26px;overflow:hidden;position:relative;display:flex;align-items:stretch;background:linear-gradient(90deg,rgba(5,15,31,.96) 0%,rgba(7,19,39,.88) 48%,rgba(6,15,31,.3) 100%),url('/assets/images/c5ad59412c536a2c.jpg') center/cover;box-shadow:var(--shadow)}
.hero-copy{width:60%;padding:52px 56px;display:flex;flex-direction:column;justify-content:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:13px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.6vw,64px);line-height:1.15;letter-spacing:-.045em;margin-bottom:20px;max-width:700px}
h2{font-size:clamp(25px,3vw,38px);line-height:1.25;letter-spacing:-.025em;margin-bottom:13px}
h3{font-size:18px;line-height:1.4;margin-bottom:8px}
.hero-copy p{color:#c4d0e5;max-width:670px;font-size:16px;margin-bottom:25px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;font-weight:700;transition:.25s ease}
.btn-primary{color:#061426;background:linear-gradient(120deg,#8dd4ff,#7195ff);box-shadow:0 8px 24px rgba(84,147,255,.3)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 28px rgba(84,147,255,.45)}
.btn-ghost{border-color:var(--line-strong);color:#dcecff;background:rgba(82,142,239,.08)}
.btn-ghost:hover{background:rgba(82,142,239,.18);border-color:#7ac8ff}
.hero-side{width:40%;padding:28px;display:flex;align-items:flex-end;justify-content:flex-end}
.preview-card{width:270px;padding:20px;border-radius:18px;background:rgba(9,23,46,.82);border:1px solid rgba(145,190,255,.3);backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.preview-label{display:flex;justify-content:space-between;color:#c5d5ed;font-size:12px;margin-bottom:12px}
.preview-title{font-size:22px;font-weight:800;margin-bottom:16px}
.progress{height:5px;background:#1b3357;border-radius:10px;overflow:hidden;margin:12px 0}
.progress i{display:block;width:68%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:inherit}
.countdown{display:flex;gap:8px;margin-top:15px}
.countdown span{background:rgba(126,160,222,.12);border:1px solid var(--line);border-radius:9px;padding:7px 10px;color:#e3efff;text-align:center;font-weight:700}
.countdown small{display:block;color:var(--muted);font-size:10px;font-weight:400}
.section{padding:72px 0;border-top:1px solid rgba(122,162,231,.08)}
.section.alt{background:rgba(7,17,34,.38)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}
.section-head p{max-width:650px;color:var(--muted);margin:0}
.quick-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:12px}
.quick-link{min-height:108px;padding:20px;border:1px solid var(--line);border-radius:15px;background:rgba(15,29,55,.62);display:flex;flex-direction:column;justify-content:space-between}
.quick-link:first-child{background:linear-gradient(135deg,rgba(70,126,237,.28),rgba(18,32,61,.68))}
.quick-link:hover{transform:translateY(-3px);border-color:var(--line-strong);background-color:rgba(33,57,101,.8)}
.quick-link strong{font-size:17px}.quick-link span{font-size:12px;color:var(--muted)}
.feature-layout{display:grid;grid-template-columns:.9fr 1.6fr;gap:20px}
.feature-intro,.feature-card,.filter-panel,.scene-card,.topic-main,.topic-small,.demo-window,.case-card,.plan,.quote,.timeline-item,.article-card,.faq-wrap,.cta-panel{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);backdrop-filter:blur(13px)}
.feature-intro{padding:30px;border-radius:20px;background:linear-gradient(155deg,rgba(53,105,202,.25),rgba(10,24,48,.78))}
.feature-intro p,.feature-card p,.scene-card p,.topic-card p,.case-card p,.quote p,.article-card p,.faq-wrap p{color:var(--muted);font-size:14px}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.feature-card{padding:22px;border-radius:16px;min-height:150px}
.feature-card .icon{color:var(--cyan);font-size:23px;margin-bottom:9px}
.filter-panel{padding:22px;border-radius:18px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.filter-panel input,.filter-panel select{height:44px;border-radius:10px;border:1px solid var(--line);background:#0a1931;color:#e9f2ff;padding:0 13px;min-width:190px}
.filter-panel input::placeholder{color:#7688a5}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:rgba(106,166,255,.11);border:1px solid rgba(107,172,255,.2);color:#bcd9ff;font-size:12px}
.tag.hot{color:#ffd995;border-color:rgba(255,200,120,.3);background:rgba(255,188,83,.09)}
.scenes{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:16px}
.scene-card{padding:25px;border-radius:18px;min-height:190px;position:relative;overflow:hidden}
.scene-card:nth-child(2){transform:translateY(20px);background:linear-gradient(145deg,rgba(91,75,191,.3),rgba(12,27,53,.8))}
.scene-number{font-size:36px;color:rgba(121,205,255,.3);font-weight:800;line-height:1;margin-bottom:20px}
.topic-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}
.topic-main{min-height:310px;border-radius:20px;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(0deg,rgba(3,12,25,.93),rgba(3,12,25,.08)),url('/assets/images/ce3574df29228fa6.jpg') center/cover}
.topic-main p,.topic-small p{margin-bottom:0}.topic-small{padding:24px;border-radius:17px;min-height:147px;background:linear-gradient(145deg,rgba(34,66,119,.48),rgba(11,26,50,.8))}
.topic-stack{display:grid;gap:16px}
.demo-wrap{display:grid;grid-template-columns:1.4fr .7fr;gap:22px;align-items:center}
.demo-window{border-radius:18px;padding:14px;background:#09162b}
.window-bar{height:28px;display:flex;align-items:center;gap:6px;padding:0 8px;border-bottom:1px solid var(--line);margin-bottom:14px}
.dot{width:7px;height:7px;border-radius:50%;background:#6480a8}.dot:nth-child(2){background:#6ec7d0}.dot:nth-child(3){background:#8874e9}
.demo-image{height:230px;border-radius:12px;background:linear-gradient(0deg,rgba(4,12,25,.45),rgba(4,12,25,.04)),url('/assets/images/d3f88cebc09881de.jpg') center/cover}
.demo-side{padding:10px}.demo-side ul{list-style:none;margin:20px 0 0;padding:0}.demo-side li{padding:13px 0;border-bottom:1px solid var(--line);color:#c4d0e2;font-size:14px}
.case-card{padding:30px;border-radius:20px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
.case-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.metric{padding:17px;border-radius:13px;background:rgba(85,137,226,.1);border:1px solid var(--line)}
.metric b{display:block;font-size:25px;color:#eaf5ff}.metric span{font-size:12px;color:var(--muted)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan{padding:27px;border-radius:18px;position:relative}
.plan.featured{border-color:rgba(118,193,255,.65);background:linear-gradient(145deg,rgba(66,117,209,.27),rgba(12,26,50,.85));box-shadow:0 0 35px rgba(73,142,255,.15)}
.plan-mark{position:absolute;right:18px;top:18px;color:var(--cyan);font-size:11px}
.price{font-size:27px;font-weight:800;margin:14px 0;color:#fff}.price small{font-size:12px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;margin:22px 0;padding:0;border-top:1px solid var(--line)}.plan li{padding:10px 0;border-bottom:1px solid var(--line);color:#bfcee3;font-size:13px}
.quotes{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px;align-items:start}
.quote{padding:23px;border-radius:16px}.quote:nth-child(2){margin-top:26px}.quote:nth-child(3){margin-top:10px}
.rating{color:var(--warm);letter-spacing:2px;font-size:13px;margin-bottom:10px}.quote cite{display:block;color:#d9e8ff;font-style:normal;font-size:13px;margin-top:16px}
.timeline{position:relative;padding-left:25px;border-left:1px solid var(--line-strong);max-width:900px}.timeline-item{position:relative;padding:19px 22px;margin:0 0 14px;border-radius:14px}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);left:-31px;top:26px;box-shadow:0 0 12px var(--cyan)}.timeline-item time{color:var(--cyan);font-size:12px}.timeline-item h3{margin:5px 0}.timeline-item p{color:var(--muted);margin:0;font-size:13px}
.article-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:15px}.article-card{padding:23px;border-radius:16px}.article-card:first-child{background:linear-gradient(145deg,rgba(69,103,195,.27),rgba(11,25,48,.78))}.article-card time{font-size:12px;color:var(--cyan);display:block;margin-bottom:10px}
.faq-wrap{border-radius:18px;overflow:hidden}.accordion{background:transparent;margin:0}.accordion-title{color:#e7f1ff!important;background:rgba(18,36,67,.52)!important;border-color:var(--line)!important;font-weight:700;padding:19px 22px}.accordion-title:hover{background:rgba(55,92,155,.34)!important}.accordion-content{background:#0b1a33!important;color:var(--muted);border-color:var(--line)!important;padding:17px 22px}.accordion-item.is-active .accordion-title{color:var(--cyan)!important}
.cta-panel{border-radius:22px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:radial-gradient(circle at 80% 30%,rgba(93,131,255,.3),transparent 35%),linear-gradient(120deg,rgba(26,60,123,.76),rgba(8,22,45,.9))}
.cta-panel p{color:#c2d0e5;max-width:660px;margin:0}
.site-footer{border-top:1px solid var(--line);padding:40px 0 25px;background:#040b16}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--muted);max-width:380px;font-size:13px}.footer-title{color:#e8f2ff;font-weight:700;margin-bottom:12px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:6px 0;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:#6f809b;font-size:12px}
@media(max-width:1199px){.hero-copy{padding:42px}.container{width:min(100% - 36px,1100px)}}
@media(max-width:992px){.nav-wrap{gap:15px}.main-nav{margin-left:auto}.main-nav a{padding:8px 10px}.hero-copy{width:65%}.hero-side{width:35%;padding:20px}.preview-card{width:220px}.quick-grid{grid-template-columns:repeat(2,1fr)}.feature-layout,.demo-wrap,.case-card{grid-template-columns:1fr}.topic-layout{grid-template-columns:1fr}.plans{grid-template-columns:repeat(2,1fr)}.quotes{grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-wrap{min-height:68px}.menu-icon{display:block;margin-left:auto;background:transparent;border:1px solid var(--line);color:#dcecff;border-radius:9px;padding:8px 12px}.main-nav{display:none;width:100%;position:absolute;top:68px;left:0;background:#071426;border-bottom:1px solid var(--line);padding:10px 18px}.main-nav.is-open{display:block}.main-nav ul{display:block}.main-nav li{margin:3px 0}.main-nav a{padding:11px 12px}.nav-action{display:none}.nav-wrap{flex-wrap:wrap}.hero{padding-top:28px}.hero-panel{display:block;min-height:0}.hero-copy,.hero-side{width:100%}.hero-copy{padding:38px 27px 25px}.hero-side{padding:0 27px 27px;justify-content:flex-start}.preview-card{width:100%}.section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:10px}.scenes{grid-template-columns:1fr}.scene-card:nth-child(2){transform:none}.feature-list,.plans,.quotes,.article-grid{grid-template-columns:1fr}.case-meta{margin-top:3px}.cta-panel{display:block;padding:32px 26px}.cta-panel .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){body{font-size:14px}.container{width:calc(100% - 28px)}h1{font-size:35px}.hero-copy p{font-size:14px}.quick-grid{grid-template-columns:1fr}.filter-panel{align-items:stretch}.filter-panel input,.filter-panel select,.filter-panel .btn{width:100%}.demo-image{height:180px}.footer-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}.case-meta{grid-template-columns:1fr 1fr}}

/* roulang page: category1 */
:root{
 --bg:#071222;--bg-deep:#040b17;--panel:rgba(15,30,58,.72);--panel-2:rgba(19,35,67,.88);
 --line:rgba(137,174,255,.18);--line-strong:rgba(106,177,255,.42);--text:#f3f7ff;--muted:#9eacc4;
 --blue:#68a9ff;--cyan:#72e3e1;--violet:#967bff;--warm:#ffc878;--radius:18px;
 --shadow:0 18px 60px rgba(0,0,0,.32),0 0 34px rgba(49,117,232,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.72;font-size:15px;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(50,119,255,.18),transparent 30%),radial-gradient(circle at 84% 18%,rgba(126,86,255,.13),transparent 28%),linear-gradient(180deg,#08172d 0%,#071222 45%,#040b17 100%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:linear-gradient(rgba(145,181,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(145,181,255,.08) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(to bottom,black,transparent 82%)}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit}
button:focus,a:focus,input:focus,select:focus{outline:2px solid var(--cyan);outline-offset:3px}
.container{width:min(1220px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(5,14,29,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border:1px solid rgba(117,218,255,.75);border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#5fa8ff,#6d6bfa);box-shadow:0 0 20px rgba(81,163,255,.35);font-size:16px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:8px;margin:0;list-style:none}
.main-nav a{display:block;padding:9px 15px;border-radius:10px;color:#aebbd1;font-size:14px}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(93,151,255,.13)}
.nav-action{border:1px solid var(--line-strong);border-radius:11px;padding:10px 16px!important;color:#dcecff!important;background:rgba(94,157,255,.09)}
.menu-icon{display:none;margin-left:auto;border:1px solid var(--line-strong);background:transparent;color:var(--text);padding:8px 13px;border-radius:9px}
.page-intro{padding:70px 0 42px;border-bottom:1px solid rgba(122,162,231,.1)}
.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:end}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--cyan);margin-bottom:12px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,64px);line-height:1.14;letter-spacing:-.04em;margin-bottom:20px}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin-bottom:12px}
h3{font-size:20px;line-height:1.35;margin-bottom:9px}
.intro-copy p{color:#c4d0e5;font-size:17px;max-width:700px;margin-bottom:0}
.intro-side{padding:24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(49,101,201,.24),rgba(10,24,48,.78));box-shadow:var(--shadow)}
.mini-stat{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.mini-stat:last-child{border-bottom:0}
.mini-stat strong{color:var(--text);font-size:20px}
.section{padding:68px 0;border-top:1px solid rgba(122,162,231,.08)}
.section.alt{background:rgba(7,17,34,.42)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:26px}
.section-head p{max-width:650px;color:var(--muted);margin-bottom:0}
.filter-panel{padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow);backdrop-filter:blur(13px)}
.filter-form{display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:12px;align-items:end}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.filter-panel input,.filter-panel select{width:100%;height:46px;border-radius:10px;border:1px solid var(--line);background:#0a1931;color:#e9f2ff;padding:0 13px}
.filter-panel input::placeholder{color:#7688a5}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;font-weight:700;transition:.25s ease}
.btn-primary{color:#061426;background:linear-gradient(120deg,#8dd4ff,#7195ff);box-shadow:0 8px 24px rgba(84,147,255,.3)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 28px rgba(84,147,255,.45)}
.btn-ghost{border-color:var(--line-strong);color:#dcecff;background:rgba(82,142,239,.08)}
.btn-ghost:hover{background:rgba(82,142,239,.18);border-color:#7ac8ff}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:rgba(106,166,255,.11);border:1px solid rgba(107,172,255,.2);color:#bcd9ff;font-size:12px}
.tag.hot{color:#ffd995;border-color:rgba(255,200,120,.3);background:rgba(255,188,83,.09)}
.content-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.content-list{display:grid;gap:14px}
.content-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:16px;border:1px solid var(--line);border-radius:17px;background:var(--panel);box-shadow:var(--shadow);transition:.25s ease}
.content-item:hover,.topic-card:hover,.article-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(22,45,84,.82)}
.cover{height:145px;border-radius:12px;overflow:hidden;background:#102342}
.cover img{width:100%;height:100%;object-fit:cover}
.item-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:9px}
.status{font-size:12px;color:#9ee9e3}
.date{color:var(--muted);font-size:12px}
.content-item p{color:var(--muted);font-size:14px;margin:12px 0}
.rank-panel{padding:24px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(160deg,rgba(37,72,140,.34),rgba(10,24,48,.75));box-shadow:var(--shadow)}
.rank-row{display:flex;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
.rank-row:last-child{border-bottom:0}
.rank-no{font-size:23px;font-weight:800;color:var(--cyan);width:28px}
.rank-row p{color:var(--muted);font-size:13px;margin:3px 0 0}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.timeline-item{padding:22px;border-radius:16px;position:relative}
.timeline-item:before{content:"";display:block;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 15px var(--cyan);margin-bottom:17px}
.timeline-item p{color:var(--muted);font-size:14px;margin-bottom:0}
.topic-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:14px}
.topic-card{min-height:190px;padding:23px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(0deg,rgba(4,14,29,.92),rgba(19,45,86,.5)),url('/assets/images/91a48adebd377abe.jpg') center/cover;transition:.25s ease}
.topic-card:nth-child(2){background-image:linear-gradient(0deg,rgba(4,14,29,.92),rgba(19,45,86,.4)),url('/assets/images/bb31dd34ceb0930a.jpg')}
.topic-card:nth-child(3){background-image:linear-gradient(0deg,rgba(4,14,29,.92),rgba(19,45,86,.4)),url('/assets/images/651361d00539ce47.jpg')}
.topic-card p{color:#bac7dc;font-size:13px;margin-bottom:0}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice{padding:25px;border-left:3px solid var(--blue);border-radius:0 16px 16px 0;background:rgba(15,30,58,.72);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.notice p{color:var(--muted);margin-bottom:0}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.article-card{padding:22px;border-radius:17px;transition:.25s ease}
.article-card .date{display:block;margin-bottom:13px}
.article-card p{margin-bottom:0}
.more-box{text-align:center;padding:38px 20px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(120deg,rgba(58,101,185,.24),rgba(10,23,46,.85))}
.site-footer{padding:56px 0 25px;background:rgba(3,10,21,.9);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--muted);max-width:370px;margin-top:16px}
.footer-title{font-weight:800;margin-bottom:14px}
.footer-links{margin:0;list-style:none}
.footer-links li{margin:8px 0}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--cyan)}
.copyright{margin-top:38px;padding-top:18px;border-top:1px solid var(--line);color:#7788a5;font-size:12px}
@media(max-width:992px){
 .intro-grid,.content-layout{grid-template-columns:1fr}
 .filter-form{grid-template-columns:1fr 1fr}
 .topic-grid{grid-template-columns:1fr 1fr}
 .topic-card:first-child{grid-column:span 2}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .nav-wrap{min-height:68px}
 .menu-icon{display:block}
 .main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px;background:#071629;border-bottom:1px solid var(--line)}
 .main-nav.open{display:block}
 .main-nav ul{display:block}
 .main-nav a{padding:12px 14px}
 .page-intro{padding:48px 0 30px}
 h1{font-size:40px}
 .section{padding:48px 0}
 .section-head{display:block}
 .section-head p{margin-top:10px}
 .timeline,.article-list{grid-template-columns:1fr}
 .notice-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
}
@media(max-width:576px){
 .container{width:calc(100% - 28px)}
 .brand{font-size:18px}
 .filter-form{grid-template-columns:1fr}
 .content-item{grid-template-columns:100px 1fr;gap:13px}
 .cover{height:112px}
 .content-item h3{font-size:17px}
 .content-item p{font-size:13px;line-height:1.55}
 .item-top{display:block}
 .item-top .date{display:block;margin-top:5px}
 .topic-grid{grid-template-columns:1fr}
 .topic-card:first-child{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{--bg:#071222;--deep:#040b17;--panel:rgba(15,30,58,.72);--panel2:rgba(19,35,67,.9);--line:rgba(137,174,255,.18);--strong:rgba(106,177,255,.48);--text:#f3f7ff;--muted:#9eacc4;--blue:#68a9ff;--cyan:#72e3e1;--violet:#967bff;--warm:#ffc878;--radius:18px;--shadow:0 18px 60px rgba(0,0,0,.32),0 0 34px rgba(49,117,232,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.72 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(50,119,255,.18),transparent 30%),radial-gradient(circle at 84% 18%,rgba(126,86,255,.13),transparent 28%),linear-gradient(180deg,#08172d,#071222 45%,#040b17)}body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.14;pointer-events:none;background-image:linear-gradient(rgba(145,181,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(145,181,255,.08) 1px,transparent 1px);background-size:68px 68px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;height:auto}button,input,select{font:inherit}button:focus,a:focus,input:focus,select:focus{outline:2px solid var(--cyan);outline-offset:3px}.container{width:min(1220px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(5,14,29,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}.brand-mark{width:34px;height:34px;border:1px solid rgba(117,218,255,.75);border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,#5fa8ff,#6d6bfa);box-shadow:0 0 20px rgba(81,163,255,.35);font-size:16px}.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:8px;margin:0;list-style:none}.main-nav a{display:block;padding:9px 15px;border-radius:10px;color:#aebbd1;font-size:14px}.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(93,151,255,.13)}.nav-action{border:1px solid var(--strong);color:#dcecff!important;background:rgba(94,157,255,.09)}.menu-icon{display:none;background:none;color:var(--text);border:1px solid var(--line);border-radius:9px;padding:7px 12px}
.page-head{padding:68px 0 42px}.head-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:end}.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--cyan);margin-bottom:12px}.page-head h1{font-size:clamp(34px,5vw,62px);line-height:1.12;margin:0 0 18px;letter-spacing:-.04em}.page-head p{max-width:720px;color:#c2cee1;font-size:17px;margin:0}.head-note{padding:24px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(70,117,214,.25),rgba(10,24,48,.78));box-shadow:var(--shadow)}.head-note strong{display:block;font-size:28px;color:var(--cyan);margin-bottom:5px}.section{padding:62px 0;border-top:1px solid rgba(122,162,231,.1)}.section.alt{background:rgba(7,17,34,.4)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.section-head h2{font-size:28px;margin:0}.section-head p{color:var(--muted);margin:0;max-width:640px}.filter-panel{padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow);display:flex;gap:12px;align-items:center;flex-wrap:wrap}.filter-panel input,.filter-panel select{height:45px;border-radius:10px;border:1px solid var(--line);background:#0a1931;color:#e9f2ff;padding:0 13px;min-width:190px}.filter-panel input::placeholder{color:#7688a5}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;padding:5px 11px;border-radius:7px;background:rgba(106,166,255,.11);border:1px solid rgba(107,172,255,.2);color:#bcd9ff;font-size:12px}.tag.hot{color:#ffd995;border-color:rgba(255,200,120,.3);background:rgba(255,188,83,.09)}
.topic-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:18px}.topic-main,.topic-card{border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;position:relative}.topic-main{min-height:390px;border-radius:21px;padding:30px;display:flex;align-items:end;background:linear-gradient(0deg,rgba(3,12,25,.96),rgba(3,12,25,.12)),url('/assets/images/ce3574df29228fa6.jpg') center/cover}.topic-main h3{font-size:31px;margin:8px 0}.topic-main p,.topic-card p{color:#bdcbe0;margin:0}.topic-stack{display:grid;gap:18px}.topic-card{min-height:186px;border-radius:18px;padding:23px;background:linear-gradient(145deg,rgba(40,77,145,.58),rgba(10,23,47,.9))}.topic-card:nth-child(2){background:linear-gradient(145deg,rgba(85,69,164,.5),rgba(10,23,47,.9))}.topic-card h3{font-size:20px;margin:8px 0}.topic-card small,.meta{color:var(--muted);font-size:13px}.btn{min-height:45px;display:inline-flex;align-items:center;justify-content:center;padding:10px 19px;border-radius:11px;border:1px solid transparent;font-weight:700}.btn-primary{color:#061426;background:linear-gradient(120deg,#8dd4ff,#7195ff);box-shadow:0 8px 24px rgba(84,147,255,.3)}.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}.btn-ghost{border-color:var(--strong);color:#dcecff;background:rgba(82,142,239,.08)}.btn-ghost:hover{background:rgba(82,142,239,.18)}
.timeline{position:relative;margin-left:12px;border-left:1px solid var(--strong);padding-left:28px;display:grid;gap:16px}.timeline-item{padding:19px 22px;border-radius:15px;position:relative}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 15px var(--cyan);left:-34px;top:28px}.timeline-item h3{font-size:18px;margin:4px 0}.timeline-item p{color:var(--muted);margin:0}.date{color:var(--warm);font-size:12px;letter-spacing:.08em}
.featured-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:20px}.feature-image{min-height:320px;border-radius:20px;background:linear-gradient(0deg,rgba(3,12,25,.85),transparent),url('/assets/images/91a48adebd377abe.jpg') center/cover;border:1px solid var(--line)}.feature-copy{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:var(--shadow)}.feature-copy h3{font-size:28px;margin:8px 0 14px}.feature-copy p{color:var(--muted)}.number-list{display:grid;gap:12px;margin-top:22px}.number-list div{display:flex;gap:13px;align-items:flex-start}.number-list b{color:var(--cyan);font-size:18px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.info-card{padding:23px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow)}.info-card h3{font-size:18px;margin:0 0 8px}.info-card p{color:var(--muted);font-size:14px;margin:0}.article-list{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}.article-card{padding:21px;border-radius:16px;background:var(--panel);border:1px solid var(--line)}.article-card:first-child{grid-row:span 2;background:linear-gradient(145deg,rgba(47,91,177,.34),rgba(10,24,48,.8))}.article-card h3{font-size:18px;margin:8px 0}.article-card p{margin:0;color:var(--muted);font-size:14px}.faq-wrap{border-radius:18px;background:var(--panel);border:1px solid var(--line);overflow:hidden}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:0}.faq-item button{width:100%;padding:19px 22px;background:none;border:0;color:var(--text);text-align:left;font-weight:700;display:flex;justify-content:space-between;cursor:pointer}.faq-item button:after{content:"+";color:var(--cyan);font-size:22px}.faq-item button[aria-expanded=true]:after{content:"−"}.faq-answer{display:none;padding:0 22px 18px;color:var(--muted)}.faq-answer.open{display:block}.more-panel{padding:30px;border-radius:20px;border:1px solid var(--strong);background:linear-gradient(120deg,rgba(45,103,205,.3),rgba(22,32,77,.56));display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow)}.more-panel h2{margin:0 0 5px;font-size:25px}.more-panel p{margin:0;color:#c5d3e8}.site-footer{padding:55px 0 25px;background:rgba(3,9,20,.82);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:40px}.footer-brand p{max-width:390px;color:var(--muted);margin-top:15px}.footer-title{font-weight:800;margin-bottom:14px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0;color:var(--muted)}.footer-links a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;color:#71829e;font-size:13px}
@media(max-width:992px){.head-grid,.topic-layout,.featured-wrap{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 30px,650px)}.nav-wrap{min-height:68px}.menu-icon{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px;background:#071426;border-bottom:1px solid var(--line)}.main-nav.open{display:block}.main-nav ul{display:block}.main-nav a{padding:12px 14px}.page-head{padding:46px 0 30px}.page-head h1{font-size:39px}.section{padding:46px 0}.topic-main{min-height:310px}.article-list{grid-template-columns:1fr}.article-card:first-child{grid-row:auto}.more-panel{display:block}.more-panel .btn{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.info-grid,.footer-grid{grid-template-columns:1fr}.filter-panel input,.filter-panel select{width:100%;min-width:0}.section-head{display:block}.section-head p{margin-top:8px}.topic-main h3{font-size:25px}.hero-actions{display:grid}.btn{width:100%}}