/* roulang page: index */
:root {
  --bg-page:#060C17;
  --bg-elevated:#0D1B2D;
  --bg-deep:#030711;
  --bg-soft:#0A1626;
  --card-glass:rgba(255,255,255,.06);
  --card-glass-strong:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.12);
  --primary:#3F8CFF;
  --cyan:#40E6C4;
  --amber:#FFC53D;
  --danger:#FF5C66;
  --text-main:#F2F7FF;
  --text-sub:#A8B9D0;
  --muted:#7B90AA;
  --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.28);
  --shadow-lg:0 18px 44px rgba(0,0,0,.36);
  --section-space:112px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);background:var(--bg-page);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.nav-open{overflow:hidden}
main{display:block}
h1,h2,h3,h4,h5,h6{margin:0 0 14px;color:var(--text-main);line-height:1.3;font-weight:700}
p{margin:0 0 16px}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease}
a:hover{color:#8FF6E3}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer;padding:0}
input,select,textarea{outline:none}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(64,230,196,.32);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
section[id],div[id]{scroll-margin-top:96px}
.c-container{width:min(100%,1280px);margin-inline:auto;padding-left:24px;padding-right:24px}
.section{position:relative;padding:var(--section-space) 0}
.section-alt{background:linear-gradient(180deg,#0A1626 0%,#060C17 100%)}
.section-dark{background:#081421;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.section-head{max-width:820px;margin:0 auto 42px;text-align:center}
.section-tag{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:14px;font-weight:600;margin-bottom:10px;letter-spacing:.03em}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px rgba(64,230,196,.8)}
.section-head h2{font-size:clamp(28px,3.2vw,40px);margin:0 0 14px}
.section-head p{color:var(--text-sub);font-size:16px;max-width:680px;margin-inline:auto}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(63,140,255,.14);border:1px solid rgba(63,140,255,.3);color:#9BC7FF;font-size:13px;font-weight:600;line-height:normal}
.tag-green{background:rgba(64,230,196,.12);border-color:rgba(64,230,196,.3);color:#8CF0DA}
.tag-amber{background:rgba(255,197,61,.14);border-color:rgba(255,197,61,.28);color:#FFDA85}
.card{background:rgba(255,255,255,.06);border:1px solid var(--stroke);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.22);box-shadow:var(--shadow-lg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:11px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:700;line-height:1;text-align:center;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{transform:translateY(-3px)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}
.btn-pill{border-radius:var(--radius-pill)}
.btn-amb{background:linear-gradient(135deg,#FFBC24,#FFC53D);color:#211600;border:1px solid rgba(255,197,61,.6);box-shadow:0 10px 28px rgba(255,197,61,.22)}
.btn-amb:hover{box-shadow:0 14px 32px rgba(255,197,61,.32);color:#211600}
.btn-main{background:linear-gradient(135deg,#2A72FF,#40E6C4);color:#03101C;border:1px solid rgba(64,230,196,.35);box-shadow:0 10px 28px rgba(63,140,255,.2)}
.btn-main:hover{color:#03101C;box-shadow:0 14px 36px rgba(64,230,196,.25)}
.btn-ghost{background:rgba(255,255,255,.07);color:var(--text-main);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.32)}
.btn-outline-cyan{background:transparent;color:var(--cyan);border:1px solid rgba(64,230,196,.5)}
.btn-outline-cyan:hover{background:rgba(64,230,196,.1);color:#a9ffe8}

.site-nav{position:fixed;top:0;left:0;right:0;z-index:130;background:rgba(5,11,20,.72);transition:background .3s ease,border .3s ease,box-shadow .3s ease;border-bottom:1px solid transparent}
.site-nav.is-scrolled{background:rgba(10,22,38,.94);border-bottom-color:rgba(255,255,255,.07);box-shadow:0 12px 34px rgba(0,0,0,.28);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.nav-inner{display:flex;align-items:center;gap:14px;height:76px}
.nav-logo{flex:0 0 auto;display:inline-flex;align-items:center;gap:10px;color:var(--text-main);font-weight:800;font-size:18px;line-height:1.2;white-space:nowrap}
.nav-logo:hover{color:#fff}
.logo-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#3F8CFF,#40E6C4);color:#03101C;box-shadow:0 8px 20px rgba(64,230,196,.25);flex:0 0 auto}
.logo-mark svg{width:22px;height:22px}
.nav-links{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:4px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:5px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:38px;padding:0 18px;border-radius:13px;color:var(--text-sub);font-size:15px;font-weight:600;white-space:nowrap;transition:color .2s,background .2s,box-shadow .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#fff;background:rgba(64,230,196,.13);box-shadow:inset 0 0 0 1px rgba(64,230,196,.24)}
.nav-link.is-active::after{content:"";position:absolute;left:18px;right:18px;bottom:3px;height:2px;border-radius:2px;background:linear-gradient(90deg,#40E6C4,#3F8CFF)}
.nav-meta{margin-left:auto;flex:0 0 auto;display:flex;align-items:center;gap:10px}
.search-open-btn{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text-sub);font-size:14px;transition:background .2s,border-color .2s,color .2s}
.search-open-btn:hover{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(64,230,196,.35)}
.search-open-btn svg{width:17px;height:17px}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-burger span{width:18px;height:2px;border-radius:2px;background:var(--text-main);display:block;transition:transform .2s,opacity .2s}
body.nav-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-burger span:nth-child(2){opacity:0}
body.nav-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.search-overlay{position:fixed;inset:0;z-index:160;background:rgba(3,8,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-panel{width:min(680px,calc(100% - 32px));margin:112px auto 0;background:rgba(13,27,45,.97);border:1px solid rgba(255,255,255,.13);border-radius:24px;box-shadow:var(--shadow-lg);padding:26px}
.search-panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.search-panel-header strong{font-size:18px}
.search-close{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.07);color:var(--text-sub);font-size:22px;line-height:1}
.search-close:hover{background:rgba(255,255,255,.15);color:#fff}
.search-form{display:flex;gap:12px;margin-bottom:18px}
.search-input{flex:1;min-width:0;height:52px;border-radius:14px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);padding:0 16px;font-size:15px;color:#fff}
.search-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(64,230,196,.15)}
.search-submit{flex:0 0 auto;height:52px;padding:0 22px;border-radius:14px;background:linear-gradient(135deg,#2A72FF,#40E6C4);color:#03101C;font-weight:700}
.search-label{color:var(--text-sub);font-size:14px;margin-bottom:10px}
.search-hot{display:flex;flex-wrap:wrap;gap:10px}
.search-hot a{padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);color:var(--text-sub);font-size:14px}
.search-hot a:hover{color:#fff;border-color:rgba(64,230,196,.35);background:rgba(64,230,196,.1)}

.hero{position:relative;padding:164px 0 116px;color:var(--text-main);overflow:hidden;background:linear-gradient(100deg,rgba(6,12,23,.95) 0%,rgba(6,12,23,.82) 45%,rgba(6,12,23,.7) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(620px 280px at 82% 16%,rgba(64,230,196,.15),transparent 70%),radial-gradient(760px 300px at 12% 24%,rgba(63,140,255,.22),transparent 70%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;background:linear-gradient(180deg,transparent,#060C17);pointer-events:none}
.hero .c-container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:60px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:rgba(64,230,196,.1);border:1px solid rgba(64,230,196,.25);color:var(--cyan);font-size:13px;font-weight:600;margin-bottom:20px}
.hero-eyebrow svg{width:15px;height:15px}
.hero h1{margin:0 0 20px;font-size:clamp(34px,5vw,56px);line-height:1.22;letter-spacing:-.01em}
.hero-title-brand{display:block;color:var(--cyan)}
.hero-title-sub{display:block;color:var(--text-main);margin-top:10px}
.hero-desc{max-width:600px;color:var(--text-sub);font-size:17px;line-height:1.9;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-actions .btn{min-height:50px;padding:13px 26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;max-width:680px}
.hero-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.11);border-radius:16px;padding:13px 18px;min-width:150px}
.hero-stat strong{display:block;color:#fff;font-size:21px;line-height:1.35}
.hero-stat span{display:block;color:var(--text-sub);font-size:13px;margin-top:2px}
.hero-stage{position:relative}
.login-visual{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.18);border-radius:26px;padding:22px;box-shadow:var(--shadow-lg),0 0 60px rgba(63,140,255,.12);max-width:500px;margin-left:auto;overflow:hidden}
.login-visual::before{content:"";position:absolute;top:-80px;right:-80px;width:180px;height:180px;border-radius:50%;background:rgba(64,230,196,.18);filter:blur(34px)}
.login-window-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px;position:relative;z-index:1}
.window-dots{display:flex;gap:6px}
.window-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.2)}
.window-dots i:first-child{background:#FF5C66}
.window-dots i:nth-child(2){background:#FFC53D}
.window-dots i:nth-child(3){background:#40E6C4}
.login-state{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#7FF0D6;background:rgba(64,230,196,.13);border:1px solid rgba(64,230,196,.24);padding:4px 10px;border-radius:999px}
.login-state i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(64,230,196,.9);animation:statePulse 1.8s infinite}
@keyframes statePulse{0%,100%{opacity:1}50%{opacity:.5}}
.login-visual-brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:800;margin-bottom:18px;position:relative;z-index:1}
.login-visual-brand .logo-mark{width:34px;height:34px}
.login-visual-brand .logo-mark svg{width:19px;height:19px}
.visual-placeholder{height:54px;border-radius:15px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);display:flex;align-items:center;padding:0 16px;font-size:14px;color:rgba(242,247,255,.55);margin-bottom:14px;position:relative;z-index:1;justify-content:space-between}
.visual-placeholder small{color:var(--muted);font-size:12px}
.visual-slider{height:52px;border-radius:14px;background:linear-gradient(90deg,rgba(64,230,196,.14),rgba(64,230,196,.05));border:1px solid rgba(64,230,196,.2);display:flex;align-items:center;justify-content:space-between;padding:0 12px 0 18px;color:#B6FFEB;font-size:13px;margin-bottom:18px;position:relative;z-index:1}
.visual-slider b{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#40E6C4,#3F8CFF);display:grid;place-items:center;color:#03101C;font-size:18px}
.visual-login-btn{height:52px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,#FFBC24,#FFC53D);color:#231700;font-weight:800;font-size:15px;box-shadow:0 10px 24px rgba(255,197,61,.18);margin-bottom:18px;position:relative;z-index:1}
.visual-badges{display:flex;justify-content:space-between;gap:12px;position:relative;z-index:1}
.visual-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;padding:8px 13px;border-radius:999px;color:var(--text-sub);border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06)}
.visual-badge svg{width:14px;height:14px;color:var(--cyan)}
.hero-stage-note{width:min(460px,100%);margin:16px 0 0 auto;font-size:12px;color:var(--muted);text-align:center;position:relative;z-index:1}

.feed-section{background:linear-gradient(180deg,#0D1B2D 0%,#0A1626 100%);border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.feed-wrap{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.85fr);gap:24px;align-items:start}
.feed-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.feed-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:22px;transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;display:flex;flex-direction:column}
.feed-card:hover{transform:translateY(-5px);border-color:rgba(64,230,196,.3);box-shadow:var(--shadow-lg)}
.feed-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.feed-latest{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--amber);font-weight:600}
.feed-latest::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px rgba(255,197,61,.9)}
.feed-title{font-size:19px;line-height:1.5;margin-bottom:8px}
.feed-title a{color:#F7FAFF;font-weight:700}
.feed-title a:hover{color:var(--cyan)}
.feed-summary{color:var(--text-sub);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.feed-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--muted)}
.feed-card-bottom time{display:inline-flex;align-items:center;gap:6px}
.feed-more-link{color:var(--cyan);font-weight:600}
.feed-more-link:hover{color:#B6FFEB}
.feed-empty{background:transparent;border:1px dashed rgba(255,255,255,.2);border-radius:18px;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:15px;grid-column:1/-1}
.feed-empty svg{width:40px;height:40px;margin-bottom:10px;opacity:.45}
.feed-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:104px}
.feed-side-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.11);border-radius:20px;padding:20px}
.feed-side-card h3{margin:0 0 16px;font-size:18px}
.category-tile{display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;border-radius:16px;padding:20px;min-height:148px;border:1px solid rgba(255,255,255,.14);margin-bottom:14px;transition:transform .25s,border-color .25s;isolation:isolate}
.category-tile:hover{transform:translateY(-4px);border-color:rgba(64,230,196,.45)}
.category-tile::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(200deg,rgba(4,10,18,.25),rgba(4,10,18,.9)),var(--tile-bg,#0D1B2D) center/cover no-repeat;transition:transform .5s}
.category-tile:hover::before{transform:scale(1.05)}
.category-tile strong{position:relative;color:#fff;font-size:18px;font-weight:800}
.category-tile small{position:relative;color:rgba(242,247,255,.8);font-size:13px;margin-top:5px}
.category-tile-web::before{background-image:linear-gradient(200deg,rgba(4,10,18,.2),rgba(4,10,18,.88)),url('/assets/images/coverpic/cover-3.png')}
.category-tile-mobile::before{background-image:linear-gradient(200deg,rgba(4,10,18,.2),rgba(4,10,18,.88)),url('/assets/images/coverpic/cover-5.png')}
.category-tile-arrow{position:absolute;right:17px;bottom:19px;z-index:1;width:30px;height:30px;border-radius:50%;background:rgba(64,230,196,.18);display:grid;place-items:center;color:#fff;font-size:18px;line-height:1}
.side-note{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:16px;font-size:13px;color:var(--text-sub)}
.side-note strong{display:block;color:#fff;margin-bottom:5px}

.feature-section{background:linear-gradient(180deg,#0A1626,#060C17)}
.feature-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:22px}
.feature-card{position:relative;grid-column:span 6;padding:28px;border-radius:var(--radius-lg);background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.11);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(64,230,196,.28);box-shadow:var(--shadow-lg)}
.feature-card.span7{grid-column:span 7}
.feature-card.span5{grid-column:span 5}
.feature-card.feature-scene{background-image:linear-gradient(105deg,rgba(10,22,38,.96) 28%,rgba(10,22,38,.82) 55%,rgba(10,22,38,.45)),url('/assets/images/coverpic/cover-1.webp');background-size:cover;background-position:center}
.feature-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:rgba(63,140,255,.13);color:#8DC3FF;border:1px solid rgba(63,140,255,.22);margin-bottom:18px}
.feature-icon svg{width:25px;height:25px}
.feature-card h3{font-size:20px;margin:0 0 10px}
.feature-card p{color:var(--text-sub);font-size:15px;margin-bottom:16px;line-height:1.75}
.feature-more{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:700;color:var(--cyan)}
.feature-more:hover{color:#B6FFEB}
.feature-points{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.feature-points li{display:flex;gap:11px;align-items:flex-start;color:var(--text-sub);font-size:14px;line-height:1.7}
.feature-points li svg{flex:0 0 auto;width:16px;height:16px;margin-top:5px;color:var(--cyan)}

.steps-section{position:relative;background:linear-gradient(180deg,#081421,#0A1626)}
.steps-section::before{content:"";position:absolute;inset:0;background:radial-gradient(720px 300px at 50% -10%,rgba(63,140,255,.15),transparent 70%);pointer-events:none}
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;margin-top:18px}
.step-card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:28px 24px 24px;box-shadow:var(--shadow)}
.step-card:hover{border-color:rgba(64,230,196,.3);transform:translateY(-4px)}
.step-num{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#3F8CFF,#40E6C4);color:#03101C;font-weight:900;font-size:20px;margin-bottom:18px;box-shadow:0 0 0 5px rgba(64,230,196,.08)}
.step-card h3{font-size:18px;margin-bottom:8px}
.step-card p{color:var(--text-sub);font-size:14px;margin-bottom:16px}
.step-card a{font-size:13px;font-weight:700;color:var(--amber)}
.step-card a:hover{color:#FFDB7D}

.proof-section{background:#0D1B2D;border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.proof-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);gap:24px;align-items:start}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.proof-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:14px}
.proof-card-long{grid-column:1/-1}
.proof-quote{color:#D6E2F5;font-size:15px;line-height:1.9}
.proof-quote::before{content:"“";display:block;font-size:32px;line-height:.6;color:var(--cyan);margin-bottom:12px}
.proof-user{color:var(--muted);font-size:13px}
.proof-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:104px}
.data-block{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:20px}
.data-block-title{font-size:14px;color:var(--text-sub);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.data-block-title svg{width:18px;height:18px;color:var(--cyan)}
.data-number{font-size:36px;font-weight:900;color:#fff;line-height:1.1;letter-spacing:-.02em}
.data-number span{font-size:15px;color:var(--muted);font-weight:600;margin-left:4px}
.data-meta{color:var(--text-sub);font-size:14px;margin-top:5px}
.security-card{border:1px solid rgba(64,230,196,.25);background:rgba(64,230,196,.07);border-radius:18px;padding:20px}
.security-card h3{font-size:16px;margin-bottom:10px}
.security-card p{font-size:13px;color:var(--text-sub);margin:0}
.security-badge{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:14px;font-weight:800;color:#8FF0DA}
.security-badge svg{width:19px;height:19px}

.pricing-section{background:linear-gradient(180deg,#060C17,#0D1B2D)}
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:center}
.price-card{position:relative;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s,border-color .25s,box-shadow .25s}
.price-card:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.25);box-shadow:var(--shadow-lg)}
.price-card.is-popular{background:linear-gradient(180deg,rgba(64,230,196,.1),rgba(13,27,45,.95));border-color:rgba(64,230,196,.35);transform:translateY(-12px);box-shadow:0 18px 46px rgba(0,0,0,.4)}
.price-card.is-popular:hover{transform:translateY(-14px)}
.price-label{display:inline-flex;align-items:center;margin-bottom:10px;color:var(--cyan);font-size:13px;font-weight:700}
.price-label.is-hot{color:var(--amber)}
.price-name{font-size:21px;font-weight:800;color:#fff;margin-bottom:8px}
.price-flex{display:flex;align-items:baseline;gap:6px;margin-bottom:18px}
.price-value{font-size:40px;font-weight:900;color:#fff;letter-spacing:-.02em}
.price-period{font-size:13px;color:var(--muted)}
.price-feature-list{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-bottom:24px}
.price-feature-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text-sub);font-size:14px;margin-bottom:12px;line-height:1.7}
.price-feature-list li svg{width:16px;height:16px;color:var(--cyan);flex:0 0 auto;margin-top:5px}
.price-card .btn{width:100%}
.price-note{text-align:center;color:var(--muted);font-size:13px;margin-top:28px}

.faq-section{background:#0A1626;border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:44px;align-items:start}
.faq-intro h2{font-size:clamp(28px,3vw,38px);margin:0 0 14px}
.faq-intro p{color:var(--text-sub);margin-bottom:20px}
.faq-contact-link{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;border:1px solid rgba(64,230,196,.35);color:var(--cyan);font-weight:700}
.faq-contact-link:hover{background:rgba(64,230,196,.1);color:#B6FFEB}
.faq-accordion{display:flex;flex-direction:column;gap:14px}
.faq-item{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:18px;overflow:hidden;transition:border-color .25s,background .25s}
.faq-item.is-active{border-color:rgba(64,230,196,.45);background:rgba(64,230,196,.06)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;text-align:left;min-height:64px;color:#EAF2FF;font-weight:700;font-size:16px;line-height:1.5}
.faq-question:hover{color:#fff}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);color:#fff;font-size:18px;line-height:1;transition:transform .3s,background .3s}
.faq-item.is-active .faq-icon{transform:rotate(45deg);background:rgba(64,230,196,.18);color:var(--cyan)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer-inner{padding:0 22px 20px;color:var(--text-sub);font-size:14px;line-height:1.95;border-top:1px solid rgba(255,255,255,.08);padding-top:16px;margin:0 6px}

.cta-section{position:relative;padding:var(--section-space) 0;background:linear-gradient(180deg,#060C17,#0D1B2D)}
.cta-box{position:relative;border-radius:30px;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:44px;padding:52px;border:1px solid rgba(255,255,255,.14);background:linear-gradient(145deg,rgba(13,27,45,.97),rgba(6,12,23,.94)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;box-shadow:var(--shadow-lg);overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-70px;left:-70px;width:200px;height:200px;border-radius:50%;background:rgba(64,230,196,.14);filter:blur(40px)}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(26px,3vw,38px);margin:0 0 16px;line-height:1.3}
.cta-copy>p{color:var(--text-sub);margin-bottom:22px}
.cta-list{display:flex;flex-direction:column;gap:13px;margin-bottom:26px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-sub);font-size:15px}
.cta-list li svg{width:19px;height:19px;color:var(--cyan);flex:0 0 auto;margin-top:5px}
.cta-secure{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.cta-secure svg{width:16px;height:16px;color:var(--cyan)}
.contact-form{position:relative;z-index:1;background:rgba(4,10,18,.45);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:24px;display:flex;flex-direction:column;gap:17px}
.contact-form .form-title{font-size:19px;font-weight:800;color:#fff;margin-bottom:2px}
.contact-form .form-desc{font-size:13px;color:var(--muted);margin-top:-8px;margin-bottom:2px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;color:#CFDCED;font-weight:600}
.form-group label .optional{color:var(--muted);font-weight:400;font-size:12px}
.form-control{width:100%;min-height:46px;border-radius:11px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);padding:0 14px;color:#fff;font-size:14px;transition:border-color .2s,box-shadow .2s}
textarea.form-control{min-height:88px;padding:12px 14px;resize:vertical}
.form-control:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(64,230,196,.12)}
select.form-control option{background:#0D1B2D}
.form-submit{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-error{display:none;color:var(--danger);font-size:13px;margin:0}
.form-success{display:none;color:var(--cyan);font-size:13px;margin:0}
.form-success.is-show,.form-error.is-show{display:inline-block}

.footer-widget{background:linear-gradient(180deg,#081421,#02060C);border-top:1px solid rgba(255,255,255,.08);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:44px;padding-bottom:42px}
.footer-brand img,.footer-brand svg{margin-bottom:14px}
.footer-brand .footer-name{font-size:20px;font-weight:800;color:#fff;display:inline-flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:360px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-sub);font-size:14px}
.footer-col ul a:hover{color:var(--cyan)}
.footer-time{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 16px;color:var(--text-sub);font-size:13px;margin-bottom:14px}
.footer-time strong{display:block;color:#fff;font-size:14px;margin-bottom:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--cyan)}

.float-cta{position:fixed;right:22px;bottom:22px;z-index:95;display:inline-flex;align-items:center;gap:9px;padding:13px 19px;border-radius:999px;background:rgba(13,27,45,.92);border:1px solid rgba(64,230,196,.3);color:#fff;font-size:14px;font-weight:700;box-shadow:var(--shadow-lg);transition:opacity .3s,transform .3s,visibility .3s;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.float-cta svg{width:17px;height:17px;color:var(--cyan)}
.float-cta:hover{transform:translateY(-4px);border-color:rgba(64,230,196,.55);background:rgba(13,27,45,.98)}
.float-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(16px);pointer-events:none}

@media (max-width:1100px){
  .nav-links{justify-content:flex-start}
  .nav-links .nav-link{padding:0 13px;font-size:14px}
  .hero-grid{gap:40px;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr)}
  .feature-card.span5,.feature-card.span7{grid-column:span 6}
  .price-grid{gap:18px}
}
@media (max-width:1023px){
  :root{--section-space:78px}
  .nav-links{position:fixed;top:74px;left:12px;right:12px;background:rgba(10,22,38,.98);border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:12px;flex-direction:column;align-items:stretch;gap:4px;display:none;box-shadow:var(--shadow-lg);z-index:118;max-height:calc(100vh - 100px);overflow:auto}
  body.nav-open .nav-links{display:flex}
  .nav-link{min-height:46px;padding:0 16px}
  .nav-link::after,.nav-link.is-active::after{display:none}
  .nav-burger{display:inline-flex}
  .nav-meta .btn{display:none}
  .hero{background:linear-gradient(0deg,rgba(6,12,23,.72),rgba(6,12,23,.92)),url('/assets/images/backpic/back-1.webp') center/cover}
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .login-visual{margin-left:0;max-width:100%}
  .hero-stage-note{margin-left:0}
  .feed-wrap{grid-template-columns:1fr}
  .feed-side{position:static}
  .proof-grid{grid-template-columns:1fr}
  .proof-side{position:static}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .cta-box{padding:36px;grid-template-columns:1fr}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .nav-logo{font-size:16px;gap:7px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .logo-mark svg{width:19px;height:19px}
  .search-open-btn{width:40px;padding:0;justify-content:center}
  .search-open-btn .search-text{display:none}
  .hero{padding:130px 0 70px}
  .hero h1{font-size:31px}
  .hero-actions .btn,.hero-actions{width:100%}
  .hero-actions .btn{justify-content:center}
  .hero-stats{flex-direction:column}
  .hero-stat{min-width:0}
  .c-container{padding-left:18px;padding-right:18px}
  .feed-cards{grid-template-columns:1fr}
  .proof-cards{grid-template-columns:1fr}
  .proof-card-long{grid-column:auto}
  .feature-grid{grid-template-columns:1fr}
  .feature-card,.feature-card.span5,.feature-card.span7{grid-column:span 1}
  .step-list{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .price-card.is-popular{transform:translateY(0)}
  .price-card.is-popular:hover{transform:translateY(-5px)}
  .cta-actions .btn{width:100%}
  .cta-box{padding:26px}
  .contact-form{padding:20px}
  .form-row{grid-template-columns:1fr}
  .cta-secure{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{right:12px;bottom:12px;padding:11px 15px}
}
@media (max-width:520px){
  .c-container{padding-left:14px;padding-right:14px}
  .nav-inner{gap:8px;height:70px}
  .nav-logo .logo-text{max-width:170px;overflow:hidden;text-overflow:ellipsis}
  .hero-actions .btn{width:100%;justify-content:center}
  .cta-list li{font-size:14px}
  .form-submit .btn{width:100%}
  .search-panel{padding:20px}
  .search-form{flex-direction:column}
  .search-submit{width:100%}
}

/* roulang page: category1 */
:root {
  --bg-page: #060C17;
  --bg-elevated: #0D1B2D;
  --bg-deep: #040914;
  --card-glass: rgba(255,255,255,0.06);
  --stroke: rgba(255,255,255,0.12);
  --primary: #3F8CFF;
  --cyan: #40E6C4;
  --amber: #FFC53D;
  --text-main: #F2F7FF;
  --text-sub: #A8B9D0;
  --danger: #FF5C66;
  --radius-card: 18px;
  --radius-btn: 12px;
  --shadow-card: 0 12px 32px rgba(0,0,0,.28);
  --shadow-hov: 0 18px 44px rgba(0,0,0,.36);
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  background: var(--bg-page);
  color: var(--text-main);
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  line-height: 1.75;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.c-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; position: relative; }
.site-nav {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(6, 12, 23, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-nav.is-scrolled {
  background: rgba(10, 22, 38, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(64, 230, 196, 0.22);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.nav-inner { display: flex; align-items: center; height: 72px; gap: 20px; }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(64,230,196,.18), rgba(63,140,255,.18));
  border: 1px solid rgba(64,230,196,.4);
  color: var(--cyan);
  flex-shrink: 0;
  box-shadow: 0 0 18px rgba(64,230,196,.12);
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text { font-size: 17px; font-weight: 700; color: var(--text-main); white-space: nowrap; letter-spacing: .2px; }
.nav-links { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-sub);
  border-radius: 10px;
  transition: color .2s ease, background .2s ease;
  position: relative;
  white-space: nowrap;
}
.nav-link:hover, .nav-link:focus-visible { color: var(--text-main); background: rgba(255,255,255,.06); }
.nav-link.is-active { color: var(--cyan); font-weight: 600; }
.nav-link.is-active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(64,230,196,.5);
}
.nav-link.is-active:hover { background: rgba(64,230,196,.08); }
.nav-meta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text-sub);
  transition: all .2s ease;
  height: 40px;
}
.search-open-btn:hover { border-color: rgba(64,230,196,.4); color: var(--text-main); background: rgba(255,255,255,.09); }
.search-open-btn svg { width: 15px; height: 15px; }
.search-text { white-space: nowrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 600; line-height: 1; border-radius: var(--radius-btn); transition: all .25s ease; }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-md { height: 46px; padding: 0 28px; font-size: 15px; }
.btn-lg { height: 54px; padding: 0 38px; font-size: 16px; }
.btn-ghost { background: transparent; color: var(--text-main); border: 1px solid var(--stroke); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.06); }
.btn-amb { background: linear-gradient(135deg, var(--amber) 0%, #F0A830 100%); color: #0A1626; border: none; box-shadow: 0 4px 22px rgba(255,197,61,.25); }
.btn-amb:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,197,61,.35); color: #0A1626; }
.btn-amb:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.btn-cy { background: linear-gradient(135deg, rgba(64,230,196,.2), rgba(63,140,255,.22)); color: var(--cyan); border: 1px solid rgba(64,230,196,.5); }
.btn-cy:hover { background: linear-gradient(135deg, rgba(64,230,196,.3), rgba(63,140,255,.34)); color: #fff; box-shadow: 0 0 24px rgba(64,230,196,.18); }
.nav-burger { display: none; width: 44px; height: 44px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-burger span { width: 18px; height: 2px; background: var(--text-main); border-radius: 2px; transition: all .3s ease; }
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(4,9,20,.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: flex-start;
  justify-content: center;
}
.search-overlay.is-open { display: flex; padding-top: 140px; }
.search-panel { width: 560px; max-width: 92vw; background: rgba(13,27,45,.96); border: 1px solid rgba(255,255,255,.14); border-radius: 24px; padding: 28px; }
.search-panel-close { position: absolute; top: 24px; right: 24px; width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: rgba(13,27,45,.88); color: var(--text-main); border: 1px solid rgba(255,255,255,.16); border-radius: 50%; font-size: 18px; }
.search-panel-close:hover { color: var(--cyan); border-color: var(--cyan); }
.search-panel h3 { margin: 0 0 6px; font-size: 16px; color: var(--text-main); }
.search-panel p { margin: 0 0 18px; font-size: 13px; color: var(--text-sub); }
.search-input-row { display: flex; gap: 10px; }
.search-input-row input { border-radius: 14px; background: rgba(255,255,255,.04); }
.cat-banner {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  padding: 80px 0 70px;
  background-image: linear-gradient(85deg, rgba(4,9,20,.9) 10%, rgba(6,12,23,.72) 50%, rgba(10,30,50,.58) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-attachment: fixed;
  background-position: center 40%;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.cat-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 180px;
  height: 180px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(64,230,196,.2), transparent 70%);
}
.cat-banner::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 260px;
  height: 260px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(56,128,255,.16), transparent 72%);
}
.breadcrumb { font-size: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--text-sub); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-sub); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { color: rgba(255,255,255,.28); }
.cat-h1 {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 18px;
  color: #fff;
  position: relative;
  z-index: 1;
}
.cat-h1 em { color: var(--cyan); font-style: normal; }
.cat-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #C7D6E5;
  max-width: 720px;
  position: relative;
  z-index: 1;
}
.banner-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; position: relative; z-index: 1; }
.banner-tags .tag-item { display: inline-flex; align-items: center; gap: 6px; background: rgba(64,230,196,.1); border: 1px solid rgba(64,230,196,.25); padding: 8px 14px; border-radius: 999px; font-size: 13px; color: #CFFAEF; }
.section { padding: 96px 0; position: relative; }
.section-sub { padding: 40px 0 120px; position: relative; }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--cyan); font-weight: 600; letter-spacing: .2px; margin-bottom: 12px; }
.section-label::before { content: ''; width: 16px; height: 2px; background: var(--cyan); border-radius: 2px; }
.sec-title {
  background: linear-gradient(120deg, #fff 10%, #8CC5FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 20px;
}
.sec-lead { color: var(--text-sub); font-size: 15px; line-height: 1.8; max-width: 720px; }
.twocol-head { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
.lead-tip { background: rgba(165,180,252,0.04); border: 1px solid rgba(165,180,252,.15); border-radius: 16px; padding: 18px 20px; display: flex; gap: 12px; }
.lead-tip i { color: var(--cyan); font-size: 18px; margin-top: 4px; }
.lead-tip p { font-size: 13px; color: var(--text-sub); margin: 0; line-height: 1.65; }
.section--alt { background: rgba(10, 20, 35, .45); border-top: 1px solid rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.05); }
.content-article { max-width: 860px; margin: 0 auto; }
.article-block { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 24px; padding: 44px 52px; box-shadow: var(--shadow-card); }
.article-block h3 { font-size: 22px; font-weight: 700; color: #fff; margin: 0 0 16px; line-height: 1.45; }
.article-block h3 i { color: var(--cyan); font-style: normal; margin-right: 6px; }
.article-block p { font-size: 15px; line-height: 1.85; color: #C9D9E8; margin: 0 0 16px; }
.article-block p:last-child { margin-bottom: 0; }
.article-block figure { margin: 30px 0; }
.article-block figcaption { text-align: center; font-size: 13px; color: var(--text-sub); padding-top: 8px; margin-top: 12px; border-top: 1px solid rgba(255,255,255,.06); }
.flow-steps { margin-top: 42px; display: flex; flex-direction: column; gap: 0; }
.flow-row { display: grid; grid-template-columns: 52px 1fr 120px; gap: 20px; padding: 18px 0; position: relative; }
.flow-row:not(:last-child)::before { content: ''; position: absolute; left: 25px; top: 62px; bottom: -2px; width: 2px; background: linear-gradient(to bottom, rgba(64,230,196,.35), rgba(63,140,255,.15)); }
.step-dot { width: 52px; height: 52px; border-radius: 50%; background: rgba(13,27,45,.9); border: 1px solid rgba(64,230,196,.45); color: var(--cyan); font-size: 18px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 0 14px rgba(64,230,196,.15); position: relative; z-index: 1; }
.flow-content h4 { margin: 0 0 5px; font-size: 16px; color: #fff; line-height: 1.5; }
.flow-content p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--text-sub); }
.flow-btn { justify-self: center; align-self: start; margin-top: 8px; }
.note-list { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-direction: column; gap: 44px; }
.note-list li { display: flex; align-items: flex-start; gap: 14px; position: relative; padding-left: 0; }
.note-list li dt { width: 180px; min-width: 180px; font-weight: 600; color: var(--cyan); font-size: 15px; display: flex; flex-direction: column; gap: 4px; }
.note-list li dt small { color: var(--text-sub); font-weight: 400; font-size: 12px; }
.note-list dl { margin: 16px 0 0; }
.note-group { display: grid; grid-template-columns: repeat(auto-fit, minmax(256px, 1fr)); gap: 20px; }
.deep-card { background: rgba(13,27,45,.75); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 28px 24px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; position: relative; overflow: hidden; }
.deep-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hov); border-color: rgba(255,255,255,.22); }
.deep-card::before { content: ''; position: absolute; right: -30px; top: -30px; width: 100px; height: 100px; background: radial-gradient(circle, rgba(64,230,196,.08), transparent 75%); border-radius: 40% 60% 50% 50%; }
.nc-icon { color: var(--cyan); font-size: 35px; margin-bottom: 16px; display: block; }
.nc-title { font-size: 20px; font-weight: 700; color: #fff; margin: 0 0 8px; }
.nc-desc { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin: 0; }
.cta-block { display: flex; justify-content: space-between; gap: 24px; }
.cta-content { display: flex; flex: 1; align-items: center; gap: 24px; }
.cta-content p { margin: 0; }
.step-item { display: flex; gap: 12px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-widget { background: #040913; border-top: 1px solid rgba(255,255,255,.08); padding: 72px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-name { display: flex; align-items: center; gap: 8px; font-size: 18px; color: #fff; font-weight: 700; }
.footer-name .logo-mark { width: 28px; height: 28px; border-radius: 8px; }
.footer-name .logo-mark svg { width: 16px; height: 16px; }
.footer-brand p { font-size: 14px; margin-top: 12px; color: var(--text-sub); line-height: 1.85; }
.footer-col h4 { font-size: 16px; color: #fff; font-weight: 600; margin: 0 0 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-sub); transition: all .2s ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul a:hover { color: var(--cyan); }
.footer-col ul a::before { content: '›'; color: rgba(255,255,255,.3); }
.footer-time { font-size: 13px; color: var(--text-sub); padding: 14px 16px; background: rgba(255,255,255,.03); border-radius: 14px; margin-bottom: 14px; }
.footer-time strong { display: block; color: var(--cyan); font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; margin-top: 36px; border-top: 1px solid rgba(255,255,255,.05); font-size: 13px; color: #8397B0; }
.footer-bottom span:last-child { color: #647A95; }
.float-cta { position: fixed; right: 28px; bottom: 28px; z-index: 120; display: flex; align-items: center; gap: 10px; transition: all .5s ease; }
.float-cta a { height: 48px; border-radius: 999px; padding: 0 26px; font-size: 14px; }
.float-cta .to-top { width: 48px; height: 48px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: rgba(13,27,45,.9); border: 1px solid rgba(255,255,255,.16); color: var(--text-sub); font-size: 18px; transition: all .2s ease; }
.back-btn { display: inline-flex; align-items: center; gap: 12px; margin-top: 58px; color: var(--text-main); background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 999px; padding: 12px 24px; font-size: 16px; transition: all .3s ease; }
.back-btn:hover { border-color: rgba(64,230,196,.4); color: var(--cyan); background: rgba(64,230,196,.08); transform: translateX(-4px); }
@media screen and (max-width: 1023px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10,22,38,.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,.1);
    padding: 16px 24px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    transform-origin: top;
    transition: all .3s ease;
  }
  .nav-links.is-open { display: flex; }
  .nav-link { width: 100%; padding: 13px 16px; font-size: 16px; }
  .nav-link.is-active::after { left: 16px; right: auto; width: 42px; border-radius: 4px; }
  .nav-burger { display: inline-flex; }
  .search-text { display: none; }
  .search-open-btn { width: 40px; padding: 0; justify-content: center; border-radius: 12px; }
  .article-block { padding: 28px 20px; }
  .flow-row { grid-template-columns: 44px 1fr; grid-template-rows: auto auto; }
  .flow-btn { justify-self: start; margin-left: 64px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-block { flex-direction: column; }
}
@media screen and (max-width: 639px) {
  .c-container { padding: 0 18px; }
  .nav-inner { height: 64px; gap: 12px; }
  .nav-links { top: 64px; padding: 14px 18px; }
  .nav-logo { min-width: 0; flex: 1; }
  .logo-text { font-size: 15px; white-space: normal; line-height: 1.2; }
  .logo-text { max-width: 160px; }
  .nav-meta .btn-ghost { display: none; }
  .cat-banner { min-height: 300px; padding: 60px 0 40px; background-attachment: scroll; }
  .cat-banner .btn.md { margin-top: 18px; }
  .page-title { font-size: 28px; line-height: 1.3; }
  .page-title em { color: var(--cyan); }
  .banner-sub { font-size: 15px; line-height: 1.7; }
  .section { padding: 56px 0; }
  .twocol-head { display: block; }
  .article-block { padding: 26px 18px; }
  .article-block h3 { font-size: 20px; }
  .deep-card { padding: 24px 18px; }
  .footer { padding: 56px 0 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand p { font-size: 13px; }
  .footer-bottom { display: block; gap: 0; padding-top: 12px; }
  .footer-bottom span { display: block; margin-bottom: 8px; }
  .btn-lg { width: 100%; }
}

/* roulang page: article */
:root{
  --bg-page:#060C17;
  --bg-alternate:#081120;
  --bg-elevated:#0D1B2D;
  --card-glass:rgba(255,255,255,0.055);
  --card-glass-hover:rgba(255,255,255,0.09);
  --stroke:rgba(255,255,255,0.12);
  --stroke-hover:rgba(255,255,255,0.24);
  --primary:#3F8CFF;
  --cyan:#40E6C4;
  --amber:#FFC53D;
  --amber-strong:#F0B72E;
  --danger:#FF5C66;
  --text-main:#F2F7FF;
  --text-sub:#A8B9D0;
  --text-soft:#7E91AC;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,0.28);
  --shadow-hover:0 18px 44px rgba(0,0,0,0.38);
  --font-main:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-main);
  background:var(--bg-page);
  color:var(--text-main);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color .2s,border-color .2s,background .2s;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(64,230,196,.22);color:#fff;}

.c-container{max-width:1280px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:96px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-md);
  font-weight:700;
  font-size:14px;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-amb{
  background:linear-gradient(135deg,var(--amber),var(--amber-strong));
  color:#152033;
  box-shadow:0 6px 18px rgba(255,197,61,.25);
}
.btn-amb:hover{box-shadow:0 10px 28px rgba(255,197,61,.36);}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#2D6FE0);
  color:#fff;
  box-shadow:0 6px 18px rgba(63,140,255,.24);
}
.btn-primary:hover{box-shadow:0 10px 26px rgba(63,140,255,.35);}
.btn-ghost{
  background:transparent;
  border-color:var(--stroke);
  color:var(--text-main);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:var(--stroke-hover);}
.btn-sm{min-height:40px;padding:0 18px;font-size:13px;}
.btn-block{width:100%;}

/* ===== Header / Nav ===== */
.site-nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  padding:0;
  background:rgba(6,12,23,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 10px 30px rgba(0,0,0,.16);
}
.site-nav.is-scrolled{
  background:rgba(6,12,23,.94);
  border-bottom-color:rgba(255,255,255,.1);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:76px;
  position:relative;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#123356,#0F2C4C);
  border:1px solid rgba(64,230,196,.4);
  border-radius:11px;
  color:var(--cyan);
  box-shadow:0 6px 18px rgba(64,230,196,.18);
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{
  font-size:18px;
  font-weight:800;
  white-space:nowrap;
  color:var(--text-main);
  letter-spacing:.2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:12px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 15px;
  font-size:14px;
  font-weight:600;
  color:var(--text-sub);
  border-radius:10px;
  position:relative;
  transition:color .2s,background .2s;
}
.nav-link:hover{
  color:var(--text-main);
  background:rgba(255,255,255,.07);
}
.nav-link.is-active{
  color:var(--cyan);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:-2px;
  height:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(64,230,196,.5);
}
.nav-meta{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.search-open-btn{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:40px;
  padding:0 14px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);
  border-radius:var(--radius-pill);
  color:var(--text-sub);
  font-size:13px;
  transition:border-color .2s,background .2s,color .2s;
}
.search-open-btn svg{width:16px;height:16px;flex-shrink:0;}
.search-open-btn:hover{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);}
.search-text{white-space:nowrap;}
.nav-burger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--stroke);
  border-radius:10px;
  background:rgba(255,255,255,.05);
  color:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:0;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s,opacity .25s;}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* mobile nav */
@media (max-width:840px){
  .nav-links{
    position:absolute;
    top:64px;
    left:24px;
    right:24px;
    z-index:95;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:rgba(8,17,32,.97);
    border:1px solid var(--stroke);
    border-radius:16px;
    padding:12px;
    box-shadow:0 24px 50px rgba(0,0,0,.45);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .25s,transform .25s,visibility .25s;
    margin-left:0;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links .nav-link{padding:12px 16px;border-radius:10px;border-bottom:1px solid rgba(255,255,255,.06);}
  .nav-links .nav-link.is-active::after{display:none;}
  .nav-meta{gap:6px;}
  .search-text{display:none;}
  .btn-ghost.btn-sm{display:none;}
  .nav-burger{display:inline-flex;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;max-width:190px;white-space:normal;line-height:1.25;}
  .logo-mark{width:34px;height:34px;}
  .nav-inner{min-height:68px;gap:8px;}
  .search-open-btn{width:40px;padding:0;justify-content:center;border-radius:10px;}
}

/* ===== Search Layer ===== */
.search-layer{
  position:fixed;
  inset:0;
  z-index:130;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(4,8,16,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.search-layer.is-open{display:flex;}
.search-layer-card{
  width:100%;
  max-width:680px;
  background:rgba(13,27,45,.96);
  border:1px solid rgba(255,255,255,.14);
  border-radius:22px;
  padding:20px;
  box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(64,230,196,.1);
}
.search-layer-form{display:flex;gap:10px;}
.search-input{
  flex:1;
  min-height:52px;
  background:#081120;
  border:1px solid var(--stroke);
  border-radius:13px;
  color:var(--text-main);
  padding:0 18px;
  font-size:15px;
  transition:border-color .2s,box-shadow .2s;
}
.search-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(64,230,196,.16);}
.search-layer-close{
  position:absolute;
  top:26px;right:26px;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.06);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.search-layer-close svg{width:18px;height:18px;}
@media(max-width:640px){
  .search-layer-card{padding:16px;}
  .search-layer-form{flex-direction:column;}
}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;
  padding-top:128px;
  padding-bottom:52px;
  background:
    radial-gradient(560px 280px at 80% 10%,rgba(64,230,196,.13),transparent 70%),
    radial-gradient(700px 380px at 15% 20%,rgba(63,140,255,.12),transparent 65%),
    linear-gradient(180deg,rgba(6,12,23,.72),rgba(6,12,23,.96)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:80px;
  background:linear-gradient(180deg,transparent,var(--bg-page));
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--text-sub);
  margin-bottom:26px;
  position:relative;z-index:2;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb .sep{color:var(--text-soft);opacity:.6;}
.breadcrumb .current{
  color:var(--text-main);
  white-space:nowrap;
  max-width:300px;
  overflow:hidden;
  text-overflow:ellipsis;
}
.article-head{
  max-width:960px;
  position:relative;z-index:2;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:rgba(64,230,196,.12);
  border:1px solid rgba(64,230,196,.32);
  color:var(--cyan);
  font-size:13px;
  font-weight:700;
}
.article-head h1{
  font-size:clamp(30px,4.3vw,50px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--text-main);
  margin:18px 0 16px;
}
.article-meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 26px;
  color:var(--text-sub);
  font-size:14px;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.meta-item svg{width:16px;height:16px;opacity:.75;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.24);}

/* ===== Article Body ===== */
.article-section{
  padding:54px 0 86px;
  background:var(--bg-page);
}
.grid-x.grid-margin-x{
  margin-left:-14px;
  margin-right:-14px;
}
.grid-x.grid-margin-x>.cell{
  margin-left:0;
  margin-right:0;
}
.article-main-col{
  padding:0 14px;
  min-width:0;
}
.article-body{
  background:rgba(13,27,45,.56);
  border:1px solid var(--stroke);
  border-radius:24px;
  padding:clamp(24px,4vw,54px);
  box-shadow:var(--shadow);
}
.article-hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
  margin:38px 0;
}
.cms-body{
  font-size:16px;
  line-height:1.9;
  color:#D6E1F0;
  overflow-wrap:break-word;
}
.cms-body>p{
  margin:0 0 1.75em;
}
.cms-body p{
  max-width:75ch;
}
.cms-body h2{
  font-size:clamp(22px,3vw,28px);
  font-weight:800;
  color:var(--text-main);
  line-height:1.4;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--cyan);
}
.cms-body h3{
  font-size:20px;
  font-weight:700;
  color:var(--text-main);
  margin:1.8em 0 .8em;
}
.cms-body h4{
  font-size:17px;
  font-weight:700;
  color:var(--text-main);
  margin:1.6em 0 .7em;
}
.cms-body a{
  color:var(--cyan);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(64,230,196,.4);
}
.cms-body a:hover{color:#fff;text-decoration-color:var(--cyan);}
.cms-body img{
  border-radius:16px;
  margin:28px 0;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 16px 46px rgba(0,0,0,.3);
  width:auto;
  height:auto;
}
.cms-body blockquote{
  background:rgba(64,230,196,.07);
  border-left:4px solid var(--cyan);
  border-radius:0 14px 14px 0;
  padding:18px 22px;
  margin:1.6em 0;
  color:#C9E6F2;
}
.cms-body blockquote p{margin-bottom:.5em;}
.cms-body blockquote p:last-child{margin-bottom:0;}
.cms-body ul,.cms-body ol{
  margin:0 0 1.6em;
  padding-left:1.3em;
}
.cms-body li{
  margin-bottom:.5em;
}
.cms-body ul li::marker{color:var(--cyan);}
.cms-body ol li::marker{color:var(--amber);font-weight:700;}
.cms-body code{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  border-radius:6px;
  padding:2px 7px;
  font-size:.92em;
  color:#CFF5DE;
}
.cms-body pre{
  background:#08111F;
  border:1px solid rgba(255,255,255,.1);
  border-radius:14px;
  padding:20px;
  overflow-x:auto;
  margin:1.8em 0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.cms-body pre code{
  background:transparent;
  border:0;
  padding:0;
  font-size:14px;
  color:#D6F0E7;
  line-height:1.75;
}
.cms-body table{
  width:100%;
  margin:1.8em 0;
  border-collapse:collapse;
  font-size:14px;
  display:block;
  overflow-x:auto;
}
.cms-body table th,.cms-body table td{
  border:1px solid rgba(255,255,255,.1);
  padding:11px 14px;
  text-align:left;
}
.cms-body table th{background:rgba(64,230,196,.08);color:#fff;}
.cms-body figure{
  margin:2em 0;
}
.cms-body figcaption{
  font-size:13px;
  color:var(--text-soft);
  text-align:center;
  margin-top:-12px;
  margin-bottom:28px;
}
.cms-body hr{
  border:0;
  border-top:1px solid rgba(255,255,255,.12);
  margin:2.4em 0;
}

.article-cta-note{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
  background:rgba(63,140,255,.1);
  border:1px solid rgba(63,140,255,.26);
  border-radius:16px;
  padding:18px 20px;
  margin-top:46px;
  margin-bottom:10px;
}
.article-cta-note p{margin:0;flex:1;font-size:15px;color:var(--text-main);}
.article-cta-note .btn{flex-shrink:0;}

/* aside */
.article-aside-col{
  padding:0 14px;
  min-width:0;
}
.article-aside{
  position:sticky;
  top:98px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-block{
  background:rgba(13,27,45,.9);
  border:1px solid var(--stroke);
  border-radius:20px;
  padding:22px;
  box-shadow:0 14px 36px rgba(0,0,0,.2);
}
.aside-block.is-glassy{
  background:linear-gradient(150deg,rgba(13,27,45,.92),rgba(20,36,59,.88));
  border-color:rgba(64,230,196,.25);
  box-shadow:0 14px 42px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.08);
}
.aside-label{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:10px;
}
.aside-block h3{
  font-size:18px;
  line-height:1.5;
  color:#fff;
  margin-bottom:10px;
}
.aside-block p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-sub);
  margin-bottom:18px;
}
.aside-link-list li{
  border-bottom:1px solid rgba(255,255,255,.08);
}
.aside-link-list li:last-child{border-bottom:0;}
.aside-link-list a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:13px 2px;
  font-size:14px;
  color:var(--text-sub);
  transition:color .2s,padding-left .2s;
}
.aside-link-list a:hover{color:var(--cyan);padding-left:6px;}
.aside-link-list svg{width:15px;height:15px;}
.aside-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 11px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.1);
  color:var(--text-sub);
  font-size:13px;
  transition:border-color .2s,color .2s;
}
.tag-chip:hover{color:var(--cyan);border-color:rgba(64,230,196,.35);}

@media(max-width:1023px){
  .article-main-col,.article-aside-col{
    width:100% !important;
  }
  .article-main-col{margin-bottom:24px !important;}
  .article-aside{position:static;}
}

/* ===== Not Found ===== */
.not-found{
  max-width:760px;
  margin:0 auto;
  text-align:center;
  padding:120px 24px 190px;
}
.not-found-icon{
  width:72px;height:72px;
  margin:0 auto 22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:22px;
  background:rgba(255,92,102,.1);
  border:1px solid rgba(255,92,102,.3);
  color:var(--danger);
}
.not-found-icon svg{width:32px;height:32px;}
.not-found h1{
  font-size:38px;
  margin-bottom:12px;
  color:var(--text-main);
}
.not-found p{color:var(--text-sub);margin-bottom:28px;font-size:16px;}

/* ===== Support CTA ===== */
.section-cta{
  position:relative;
  padding:88px 0;
  background:
    radial-gradient(600px 300px at 70% 30%,rgba(255,197,61,.2),transparent 65%),
    radial-gradient(600px 260px at 14% 70%,rgba(64,230,196,.16),transparent 65%),
    linear-gradient(180deg,rgba(6,12,23,.9),rgba(6,12,23,.94)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  margin-top:20px;
  border-top:1px solid rgba(255,255,255,.07);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.cta-ribbon{
  text-align:center;
  max-width:900px;
  margin:0 auto;
}
.cta-label{
  color:var(--amber);
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
}
.cta-ribbon h2{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  line-height:1.3;
  margin:0 0 16px;
  color:var(--text-main);
}
.cta-ribbon p{
  font-size:16px;
  color:var(--text-sub);
  line-height:1.85;
  max-width:760px;
  margin:0 auto 30px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}

/* ===== Guide cards ===== */
.section-guide{
  padding:84px 0 30px;
  background:var(--bg-alternate);
}
.section-head{
  max-width:760px;
  margin-bottom:42px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  font-weight:700;
  color:var(--cyan);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(26px,3.4vw,34px);
  line-height:1.4;
  color:var(--text-main);
  margin:0 0 14px;
}
.section-head p{
  color:var(--text-sub);
  font-size:15px;
  margin:0;
}
.guide-card{
  background:var(--card-glass);
  border:1px solid var(--stroke);
  border-radius:20px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.guide-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  background:var(--card-glass-hover);
  border-color:var(--stroke-hover);
}
.guide-card-img-wrap{
  height:172px;
  overflow:hidden;
  background:#08111F;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.guide-card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.guide-card:hover .guide-card-img-wrap img{transform:scale(1.05);}
.guide-card-body{
  padding:22px;
  display:flex;
  flex:1;
  flex-direction:column;
}
.guide-card-body h3{
  font-size:19px;
  color:var(--text-main);
  margin-bottom:8px;
}
.guide-card-body p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.75;
  flex:1;
  margin-bottom:18px;
}
.guide-link{
  color:var(--cyan);
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.guide-link svg{width:15px;height:15px;transition:transform .2s;}
.guide-link:hover svg{transform:translateX(4px);}
@media(max-width:640px){
  .guide-card-img-wrap{height:150px;}
}

/* ===== Compact FAQ ===== */
.section-faq{
  padding:86px 0;
  background:var(--bg-page);
}
.faq-head{
  max-width:720px;
  margin-bottom:40px;
}
.faq-head h2{font-size:32px;color:var(--text-main);margin:0 0 10px;}
.faq-head p{color:var(--text-sub);}
.faq-item{
  border:1px solid var(--stroke);
  border-radius:16px;
  background:rgba(255,255,255,.035);
  margin-bottom:14px;
  overflow:hidden;
  transition:background .2s,border-color .2s;
}
.faq-item:hover{
  background:rgba(255,255,255,.06);
}
.faq-item.is-open{
  border-color:rgba(64,230,196,.36);
  background:rgba(64,230,196,.05);
}
.faq-question{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  width:100%;
  background:none;
  border:0;
  padding:20px 22px;
  color:var(--text-main);
  font-size:16px;
  font-weight:600;
  text-align:left;
}
.faq-question svg{
  width:20px;height:20px;
  flex-shrink:0;
  color:var(--text-soft);
  transition:transform .25s,color .2s;
}
.faq-item.is-open .faq-question svg{transform:rotate(45deg);color:var(--cyan);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-answer-inner{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--text-sub);
  line-height:1.8;
  border-top:0;
}
.faq-answer-inner p{margin:0;}

/* ===== Footer ===== */
.footer-widget{
  background:linear-gradient(180deg,#081120,#03060D);
  border-top:1px solid rgba(255,255,255,.08);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:44px;
  padding-bottom:42px;
}
.footer-name{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  margin-bottom:12px;
}
.footer-brand p{
  max-width:42ch;
  color:var(--text-sub);
  font-size:14px;
  line-height:1.8;
  margin:0;
}
.footer-col h4{
  color:var(--text-main);
  font-size:15px;
  margin:0 0 16px;
  letter-spacing:.3px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:var(--text-sub);
  font-size:14px;
}
.footer-col a:hover{color:var(--cyan);}
.footer-time{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  border-radius:14px;
  padding:13px 16px;
  font-size:13px;
  line-height:1.6;
  color:var(--text-sub);
  margin-bottom:16px;
}
.footer-time strong{display:block;color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  color:var(--text-soft);
  font-size:13px;
  flex-wrap:wrap;
}
@media(max-width:840px){
  .footer-grid{grid-template-columns:1fr;gap:30px;}
}

/* ===== Float CTA ===== */
.float-cta{
  position:fixed;
  right:30px;
  bottom:28px;
  z-index:80;
  display:flex;
  align-items:center;
  gap:8px;
  transform:translateY(24px);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s,transform .3s;
}
.float-cta.is-show{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.float-cta.is-fade{
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
}
.float-cta .btn{
  background:linear-gradient(135deg,var(--amber),var(--amber-strong));
  color:#152033;
  border:0;
  border-radius:var(--radius-pill);
  padding:0 24px;
  min-height:46px;
  box-shadow:0 12px 28px rgba(255,197,61,.3);
}
.float-cta .btn:hover{box-shadow:0 16px 34px rgba(255,197,61,.4);}
@media(max-width:640px){
  .float-cta{right:16px;bottom:18px;left:16px;justify-content:flex-end;}
  .float-cta .btn{width:auto;}
}

/* ===== Utility ===== */
.sr-only{
  position:absolute;
  width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

@media(max-width:640px){
  .article-section{padding:28px 0 60px;}
  .article-body{padding:20px 18px;border-radius:16px;}
  .article-meta-row{gap:10px;font-size:13px;}
  .breadcrumb .current{max-width:160px;}
  .section-cta{padding:66px 0;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{justify-content:center;}
}

/* roulang page: category2 */
:root{
    --bg-page:#060C17;
    --bg-elevated:#0D1B2D;
    --bg-deep:#04070D;
    --bg-panel:#0B192C;
    --card-glass:rgba(255,255,255,.05);
    --stroke:rgba(255,255,255,.12);
    --primary:#3F8CFF;
    --cyan:#40E6C4;
    --amber:#FFC53D;
    --danger:#FF5C66;
    --text-main:#F2F7FF;
    --text-sub:#A8B9D0;
    --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
    --shadow:0 12px 32px rgba(0,0,0,.28);
    --shadow-up:0 18px 44px rgba(0,0,0,.38);
    --radius:18px;
    --cap:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    background:var(--bg-page);
    color:var(--text-main);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
input,button,summary{font:inherit;letter-spacing:.01em}
iframe{border:0}
.c-container{max-width:calc(var(--cap) + 48px);margin:0 auto;padding-left:24px;padding-right:24px}
.grid-margin-x>.cell{margin-bottom:24px}
@media screen and (min-width:1024px){
    .grid-margin-x>.cell{margin-bottom:0}
}
::selection{background:rgba(64,230,196,.3);color:#fff}
:where(a,button,input,summary):focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:10px}
body.is-locked{overflow:hidden}

/* ----- Buttons & tags ----- */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:12px;
    border:1px solid transparent;
    padding:10px 18px;
    font-size:15px;
    font-weight:700;
    line-height:1.4;
    min-height:42px;
    cursor:pointer;
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
    white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-sm{min-height:36px;padding:6px 14px;border-radius:10px;font-size:14px}
.btn-primary{background:var(--cyan);color:#03120e;box-shadow:0 8px 22px rgba(64,230,196,.18)}
.btn-primary:hover{background:#67f0d4;box-shadow:0 12px 28px rgba(64,230,196,.28)}
.btn-amb{background:var(--amber);color:#211604;box-shadow:0 8px 24px rgba(255,197,61,.18)}
.btn-amb:hover{background:#ffd666;box-shadow:0 12px 30px rgba(255,197,61,.25)}
.btn-ghost{border-color:rgba(255,255,255,.18);color:var(--text-main);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
.btn-soft{background:linear-gradient(145deg,rgba(63,140,255,.18),rgba(64,230,196,.1));border:1px solid rgba(120,200,255,.26);color:var(--text-main)}
.btn-soft:hover{border-color:rgba(120,200,255,.5);background:linear-gradient(145deg,rgba(63,140,255,.28),rgba(64,230,196,.16))}
.tag{
    display:inline-flex;align-items:center;gap:6px;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.05);
    border-radius:999px;
    padding:4px 12px;
    font-size:13px;
    font-weight:600;
    color:var(--text-sub);
}
.tag-cyan{
    border-color:rgba(64,230,196,.35);
    color:var(--cyan);
    background:rgba(64,230,196,.08);
}
.kicker{
    display:inline-flex;align-items:center;gap:10px;
    font-size:14px;font-weight:700;letter-spacing:.05em;
    color:var(--cyan);
}
.kicker::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--amber);box-shadow:0 0 0 4px rgba(255,197,61,.12)}

/* ----- Top nav ----- */
.site-nav{
    position:fixed;top:0;left:0;right:0;width:100%;
    z-index:999;padding:0;
    border-bottom:1px solid transparent;
    transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-nav.is-scrolled{
    background:rgba(10,22,38,.9);
    -webkit-backdrop-filter:saturate(140%) blur(18px);
    backdrop-filter:saturate(140%) blur(18px);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 10px 30px rgba(0,0,0,.32);
}
.nav-inner{
    display:flex;align-items:center;gap:18px;
    min-height:72px;position:relative;
}
.nav-logo{
    display:inline-flex;align-items:center;gap:10px;
    font-size:17px;font-weight:800;font-family:var(--font-sans);
    min-height:44px;flex-shrink:0;
}
.logo-mark{
    width:34px;height:34px;flex:0 0 34px;
    display:inline-flex;align-items:center;justify-content:center;
    color:#03120e;background:linear-gradient(135deg,var(--cyan),#eafffb);
    border-radius:11px;box-shadow:0 6px 18px rgba(64,230,196,.26);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{line-height:1.25;color:#fff}
.nav-links{
    display:flex;align-items:center;gap:6px;
    margin:0 auto;padding:0;list-style:none;
}
.nav-link{
    position:relative;padding:12px 16px 10px;
    font-size:15px;font-weight:600;color:var(--text-sub);
    border-bottom:2px solid transparent;white-space:nowrap;
    transition:color .2s ease,border-color .2s ease;
}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:var(--cyan);border-bottom-color:var(--cyan);text-shadow:0 0 18px rgba(64,230,196,.4)}
.nav-meta{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}
.search-open-btn{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.12);
    border-radius:999px;
    color:var(--text-sub);
    min-height:38px;padding:0 14px;font-size:14px;
    cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.search-open-btn svg{width:18px;height:18px;display:block}
.search-open-btn:hover{background:rgba(255,255,255,.09);color:#fff;border-color:rgba(255,255,255,.32)}
.nav-burger{
    display:none;width:42px;height:42px;
    padding:10px 9px;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.12);
    border-radius:12px;
    cursor:pointer;
    flex-direction:column;justify-content:center;gap:5px;
}
.nav-burger span{height:2px;width:100%;border-radius:9px;background:var(--text-main);transition:transform .25s ease,opacity .25s ease}
.nav-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.is-open span:nth-child(2){opacity:0}
.nav-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* search overlay */
.search-overlay{
    position:fixed;inset:0;z-index:1200;
    background:rgba(4,8,14,.76);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    display:flex;align-items:flex-start;justify-content:center;
    padding:120px 24px 24px;
    opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.search-overlay.is-open{opacity:1;visibility:visible}
.search-pane{
    background:linear-gradient(145deg,#0f2136,#0a1522);
    width:min(680px,100%);
    border:1px solid rgba(255,255,255,.14);
    border-radius:22px;
    padding:24px;
    box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.search-pane form{display:flex;gap:10px}
.search-pane input{
    flex:1;min-width:0;
    height:48px;border-radius:12px;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.06);
    color:#fff;padding:0 16px;font-size:15px;
    transition:border-color .2s ease,box-shadow .2s ease;
}
.search-pane input::placeholder{color:#718aa8}
.search-pane input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(64,230,196,.15);outline:0}
.search-overlay-close{
    position:absolute;top:64px;right:30px;
    width:42px;height:42px;border-radius:12px;
    background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.16);
    color:#fff;font-size:22px;line-height:1;cursor:pointer;transition:all .2s ease;
}
.search-overlay-close:hover{background:rgba(255,255,255,.14);transform:rotate(90deg)}
.search-hint{color:var(--text-sub);font-size:14px;margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* breadcrumb */
.breadcrumb{
    display:flex;flex-wrap:wrap;gap:8px;align-items:center;
    font-size:14px;color:var(--text-sub);margin-bottom:26px;
}
.breadcrumb a{color:#c7d6ec;transition:color .2s ease}
.breadcrumb a:hover{color:var(--cyan)}
.crumb-arrow{opacity:.5;color:#6e87a5}
.breadcrumb [aria-current=page]{color:var(--cyan);font-weight:600}

/* hero */
.hero-cat{
    position:relative;
    background:
        linear-gradient(180deg,rgba(6,12,23,.55) 0%,rgba(6,12,23,.9) 78%,rgba(6,12,23,1) 100%),
        url("/assets/images/backpic/back-3.webp") center 20% / cover no-repeat;
    padding:154px 0 92px;
    overflow:hidden;
}
.hero-cat::after{
    content:"";position:absolute;width:600px;height:600px;
    right:-160px;top:-180px;
    background:radial-gradient(circle,rgba(64,230,196,.12),transparent 60%);
    pointer-events:none;
}
.hero-cat .c-container{position:relative;z-index:2}
.hero-cat h1{
    max-width:900px;
    font-size:clamp(30px,5.1vw,52px);
    line-height:1.18;font-weight:800;letter-spacing:-.01em;
    margin:0 0 24px;
}
.hero-cat h1 .accent{color:var(--cyan)}
.hero-lead{
    max-width:760px;color:var(--text-sub);
    font-size:clamp(15px,2.2vw,18px);
    line-height:1.85;margin:0 0 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:0}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:14px;color:#c6d4e8;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 14px;line-height:1.5}
.hero-meta li svg{width:15px;height:15px;color:var(--cyan);flex-shrink:0}

/* section layout */
.c-section{padding:88px 0}
@media screen and (max-width:640px){.c-section{padding:62px 0}}
.section-alt{background:linear-gradient(180deg,#071120,#050b14)}
.section-tint{background:rgba(12,28,48,.42)}
.section-head{margin-bottom:48px}
.section-head .kicker{margin-bottom:16px}
.section-head h2{
    font-size:clamp(26px,3.4vw,38px);
    line-height:1.24;margin:0 0 18px;font-weight:800;
}
.section-head p{
    color:var(--text-sub);max-width:720px;font-size:16px;line-height:1.9;margin:0;
}
.section-title-row{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;
    margin-bottom:44px;
}
.section-title-row h2{margin-bottom:0}
.section-title-row .desc{color:var(--text-sub);max-width:420px;font-size:15px;margin:0}

/* intro block */
.info-content p{color:#c9d6e6;line-height:1.95;margin:0 0 18px;font-size:16px}
.info-content p strong{color:#fff;font-weight:700}
.info-checklist{list-style:none;margin:8px 0 0;padding:0}
.info-checklist li{position:relative;padding:7px 0 7px 30px;color:#c9d6e6;font-size:15px}
.info-checklist li::before{content:"";position:absolute;left:2px;top:16px;width:14px;height:8px;border-left:3px solid var(--cyan);border-bottom:3px solid var(--cyan);transform:rotate(-45deg);border-radius:2px}
.cover-stage{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow)}
.cover-stage img{width:100%;height:360px;object-fit:cover}
.cover-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,12,23,.18),rgba(6,12,23,.02) 70%)}
.stage-caption{
    position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    background:rgba(8,18,32,.82);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    padding:8px 14px;border:1px solid rgba(255,255,255,.18);
    border-radius:12px;
}
.stage-caption span{font-size:13.5px;color:#f0f6ff;font-weight:600;line-height:1.6}
.stage-caption .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(64,230,196,.18);flex-shrink:0}

/* condition cards */
.cond-card,.scene-card,.experience-card{
    background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
    border:1px solid var(--stroke);
    border-radius:var(--radius);
    padding:26px 22px;
    height:100%;
    box-shadow:var(--shadow);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cond-card:hover,.scene-card:hover,.experience-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-up);
    border-color:rgba(255,255,255,.24);
}
.cond-card .num{
    font-size:13px;font-weight:800;color:var(--amber);
    display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
    transition:gap .2s ease;
}
.cond-card .num::after{content:"";width:30px;height:1px;background:rgba(255,255,255,.22)}
.cond-card:hover .num{gap:14px}
.cond-card .icon{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:14px;margin:4px 0 18px;
    background:rgba(63,140,255,.14);
    color:var(--cyan);
    border:1px solid rgba(63,140,255,.2);
}
.cond-card .icon svg{width:22px;height:22px}
.cond-card h3{margin:0 0 10px;font-size:18px;font-weight:700;line-height:1.4}
.cond-card p{margin:0;font-size:14px;line-height:1.8;color:var(--text-sub)}

/* steps timeline */
.steps-list{list-style:none;margin:0;padding:0;max-width:960px}
.step-item{
    position:relative;margin:0;padding:0 0 46px 74px;
}
.step-item:last-child{padding-bottom:0}
.step-item::before{
    content:"";position:absolute;left:22px;top:56px;bottom:6px;
    width:2px;background:linear-gradient(180deg,rgba(64,230,196,.5),rgba(64,230,196,.04));
}
.step-item:last-child::before{display:none}
.step-num{
    position:absolute;left:0;top:0;
    width:46px;height:46px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    color:var(--cyan);background:rgba(64,230,196,.09);
    border:1px solid rgba(64,230,196,.32);
    font-weight:800;font-size:16px;
    box-shadow:0 6px 20px rgba(64,230,196,.12);
}
.step-card{
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.11);
    border-radius:18px;
    padding:22px 24px;
    transition:background .2s ease,border-color .2s ease;
}
.step-card:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2)}
.step-card h3{margin:0 0 9px;font-size:20px;font-weight:700}
.step-card p{margin:0;font-size:15px;color:var(--text-sub);line-height:1.85}
.step-tip{display:inline-flex;margin-top:12px;font-size:13px;color:var(--cyan);gap:6px;align-items:center}

/* scene cards */
.scene-card .card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px}
.scene-card .raise{font-size:12.5px;color:var(--amber);font-weight:700;background:rgba(255,197,61,.1);border:1px solid rgba(255,197,61,.25);padding:3px 8px;border-radius:999px;line-height:1.4}
.feature-grid .feature-panel{height:100%}
.feature-card-main{
    background:
        radial-gradient(circle at 80% 10%,rgba(64,230,196,.14),transparent 38%),
        linear-gradient(145deg,rgba(63,140,255,.13),rgba(6,12,23,.72) 55%);
    border:1px solid rgba(100,200,255,.2);
    border-radius:20px;
    padding:28px;
    box-shadow:var(--shadow);
    height:100%;
}
.feature-card-main h3{font-size:20px;font-weight:800;margin:0 0 12px}
.feature-card-main p{color:var(--text-sub);margin:0;font-size:15px;line-height:1.95}
.feature-card-main .large-link{
    display:inline-flex;margin-top:22px;align-items:center;gap:10px;
    color:var(--cyan);font-weight:700;font-size:15px;
}
.feature-card-main .large-link:hover{color:#a3ffe9}

/* FAQ */
.faq-layout .faq-intro h2{font-size:clamp(26px,3.4vw,38px);line-height:1.3;margin:0 0 16px;font-weight:800}
.faq-layout .faq-intro > p{color:var(--text-sub);margin:0;font-size:15.5px;line-height:1.9}
.faq-list{margin:0;padding:0}
.faq-item{
    border:1px solid rgba(255,255,255,.13);
    background:rgba(255,255,255,.03);
    border-radius:16px;
    margin-bottom:14px;
    overflow:hidden;
    transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.24)}
.faq-item[open]{
    border-color:rgba(64,230,196,.32);
    background:linear-gradient(135deg,rgba(64,230,196,.07),rgba(255,255,255,.03));
}
.faq-item summary{
    cursor:pointer;
    padding:18px 20px;
    font-size:16px;line-height:1.6;font-weight:700;
    display:flex;align-items:center;gap:15px;
}
.faq-item summary::before{
    content:"";width:10px;height:10px;flex:0 0 10px;
    background:var(--cyan);border-radius:3px;
    box-shadow:0 0 0 5px rgba(64,230,196,.08);
}
.faq-item[open] summary::before{background:var(--amber)}
.faq-item summary::-webkit-details-marker{display:none;list-style:none}
.faq-body{padding:2px 20px 20px;color:#c8d6e7;font-size:15px;line-height:1.95}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin:0}
.btn-more-question{margin:26px 0 0;display:inline-flex}

/* CTA panel */
.cta-section{
    background:linear-gradient(180deg,var(--bg-page),#081220);
    padding:96px 0;
}
.cta-panel{
    position:relative;
    border-radius:26px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.16);
    box-shadow:0 26px 70px rgba(0,0,0,.42);
    background:
        linear-gradient(90deg,rgba(6,12,23,.9),rgba(10,25,45,.68)),
        url("/assets/images/backpic/back-1.webp") center 24% / cover no-repeat;
}
.cta-inner{padding:clamp(32px,6vw,64px);position:relative;z-index:2}
.cta-inner h2{
    font-size:clamp(26px,4vw,44px);
    margin:8px 0 16px;
    line-height:1.2;
    font-weight:800;
}
.cta-inner > p{
    color:#c1d1e4;max-width:680px;
    margin:0 0 30px;font-size:16px;line-height:1.9;
}
.cta-panel::after{
    content:"";position:absolute;right:-20%;bottom:-70%;width:520px;height:520px;
    background:radial-gradient(circle,rgba(64,230,196,.16),transparent 60%);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* return links */
.return-links{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;
    margin:-28px auto 0;padding:0 24px 30px;
}
.return-pill{
    display:inline-flex;align-items:center;gap:9px;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.13);
    border-radius:999px;
    padding:8px 17px;color:var(--text-sub);
    font-size:14px;font-weight:600;
    transition:all .2s ease;
}
.return-pill:hover{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.1)}
.return-pill .arr{color:var(--cyan)}

/* Float CTA */
.float-cta{
    position:fixed;right:20px;bottom:20px;z-index:800;
    display:flex;gap:8px;align-items:center;
    opacity:1;visibility:visible;
    transition:opacity .3s ease,visibility .3s ease,transform .3s ease;
}
.float-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none}
.float-cta a{
    display:inline-flex;align-items:center;gap:8px;
    min-height:44px;padding:0 18px;border-radius:999px;
    background:rgba(6,16,28,.82);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border:1px solid rgba(255,255,255,.18);
    color:#fff;font-weight:700;font-size:14px;
    box-shadow:0 10px 24px rgba(0,0,0,.34);
}
.float-cta a.go{background:var(--amber);color:#211604;border-color:transparent}
.float-cta a:hover{transform:translateY(-3px)}

/* footer */
.footer-widget{
    background:linear-gradient(180deg,#081120 0%,#03070e 100%);
    border-top:1px solid rgba(255,255,255,.08);
    padding-top:64px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr;
    gap:56px;
    padding-bottom:48px;
}
.footer-brand .footer-name{
    display:flex;align-items:center;gap:11px;
    font-size:20px;font-weight:800;font-family:var(--font-sans);margin-bottom:16px;
}
.footer-name .logo-mark{width:38px;height:38px;flex-basis:38px}
.footer-brand p{color:var(--text-sub);font-size:14.5px;line-height:1.9;max-width:360px;margin:0}
.footer-col h4{font-size:15px;color:#ecf3fb;margin:0 0 20px;font-weight:700;letter-spacing:.03em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14px}
.footer-col ul a{color:var(--text-sub);transition:color .2s ease;display:inline-block}
.footer-col ul a:hover{color:var(--cyan)}
.footer-time{
    background:rgba(255,255,255,.04);
    border:1px dashed rgba(255,255,255,.16);
    border-radius:12px;
    padding:12px 14px;
    margin-bottom:16px;
    color:var(--text-sub);font-size:13.5px;line-height:1.7;
}
.footer-time strong{display:block;color:var(--cyan);font-size:14px;margin-bottom:2px}
.footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;
    padding:18px 0 24px;
    border-top:1px solid rgba(255,255,255,.08);
    color:#65809e;font-size:13px;
    align-items:center;justify-content:space-between;
}
.footer-bottom span{display:inline-flex;align-items:center;gap:6px;min-height:20px}

/* responsive */
@media screen and (max-width:1023px){
    .nav-links{
        position:fixed;top:78px;right:16px;left:16px;
        background:rgba(10,22,38,.96);
        -webkit-backdrop-filter:blur(18px);
        backdrop-filter:blur(18px);
        border:1px solid rgba(255,255,255,.12);
        border-radius:18px;
        box-shadow:0 20px 50px rgba(0,0,0,.42);
        flex-direction:column;align-items:stretch;
        padding:10px;gap:2px;
        margin:0;
        opacity:0;visibility:hidden;transform:translateY(-10px);
        transition:opacity .2s ease,visibility .2s ease,transform .2s ease;
        max-height:calc(100vh - 100px);overflow:auto;
    }
    .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0)}
    .nav-link{
        border:0;border-radius:12px;padding:12px 14px;white-space:normal;
        color:#d2ddf0;
    }
    .nav-link.is-active{
        background:rgba(64,230,196,.1);
        color:var(--cyan);
        box-shadow:inset 3px 0 0 var(--cyan);
    }
    .nav-burger{display:inline-flex}
    .nav-meta{width:auto}
    .footer-grid{grid-template-columns:1fr 1fr;gap:40px 30px}
    .cta-inner{padding:38px 28px}
}
@media screen and (max-width:639px){
    .nav-inner{gap:8px;padding-left:16px;padding-right:16px}
    .nav-logo .logo-text{font-size:15px;max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{top:70px;left:12px;right:12px}
    .search-open-btn{width:42px;padding:0;justify-content:center;border-radius:12px}
    .search-text{display:none}
    .btn-ghost{display:none}
    .nav-meta{gap:6px}
    .nav-meta .btn{padding-left:10px;padding-right:10px;font-size:14px}
    .hero-cat{padding-top:126px}
    .hero-meta{width:100%}
    .hero-meta li{width:100%;justify-content:flex-start}
    .hero-actions .btn{flex:1 1 100%}
    .footer-grid{grid-template-columns:1fr;gap:36px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .float-cta{right:12px;bottom:12px;gap:6px}
    .float-cta a{padding:0 13px;font-size:13px;min-height:40px}
    .return-links{padding-left:16px;padding-right:16px}
}
@media screen and (max-width:380px){
    .nav-meta .btn-amb span{display:none}
    .nav-meta .btn-amb{padding:0 12px}
    .logo-mark{width:30px;height:30px;flex-basis:30px;border-radius:9px}
}

@media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}