/* roulang page: index */
:root{
  --jade-950:#03150D;
  --jade-900:#051F14;
  --jade-850:#082619;
  --jade-800:#0B2E1E;
  --jade-700:#123F2B;
  --jade-600:#1A5B3D;
  --gold-600:#D97706;
  --gold-500:#F59E0B;
  --gold-400:#FBBF24;
  --gold-300:#FCD34D;
  --gold-200:#FDE68A;
  --red-600:#DC2626;
  --ivory:#F8FAFC;
  --mint:#D1FAE5;
  --olive:#A3A375;
  --text-dim:#94AFA3;
  --line:rgba(245,158,11,.20);
  --line-soft:rgba(255,255,255,.075);
  --card-bg:linear-gradient(162deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 16px 44px rgba(0,0,0,.44);
  --shadow-gold:0 12px 34px rgba(245,158,11,.24);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--ivory);
  background:var(--jade-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-300);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--gold-200);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ivory);}
p{margin:0 0 1rem;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(245,158,11,.35);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
.container .grid-x{margin-left:-15px;margin-right:-15px;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;text-align:center;cursor:pointer;border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-lg{padding:14px 26px;font-size:.94rem;}
.btn-gold{color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 22px rgba(217,119,6,.32);}
.btn-gold:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.42);}
.btn-gold:active{transform:translateY(1px);}
.btn-outline{color:var(--gold-200);border:1.5px solid rgba(245,158,11,.55);background:rgba(245,158,11,.07);}
.btn-outline:hover{color:var(--gold-200);background:rgba(245,158,11,.16);border-color:var(--gold-400);transform:translateY(-2px);}
.btn-ghost{font-size:.88rem;font-weight:700;color:#0B2E1E;padding:9px 16px;border-radius:10px;border:1.5px solid rgba(11,46,30,.30);}
.btn-ghost:hover{background:rgba(11,46,30,.06);border-color:rgba(11,46,30,.55);color:#0B2E1E;}
.btn-gold-sm{font-size:.88rem;font-weight:800;color:#20160A;padding:10px 20px;border-radius:10px;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 20px rgba(217,119,6,.30);}
.btn-gold-sm:hover{color:#20160A;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,119,6,.40);}
.btn-gold-sm:active{transform:translateY(1px);}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,244,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.32);
  box-shadow:0 8px 26px rgba(5,31,20,.14);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px;padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0;}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-400);font-size:19px;border:1px solid rgba(245,158,11,.45);box-shadow:0 6px 18px rgba(5,31,20,.24);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:.98rem;font-weight:800;color:#0B2E1E;letter-spacing:-.01em;}
.brand-text small{font-size:.70rem;color:#7C6A38;font-weight:700;letter-spacing:.03em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{font-size:.89rem;font-weight:600;color:#123F2B;padding:9px 13px;border-radius:10px;white-space:nowrap;}
.main-nav a:hover{background:rgba(11,46,30,.07);color:#0B2E1E;}
.main-nav a.active{background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-300);box-shadow:0 6px 16px rgba(5,31,20,.22);}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:11px;border:1.5px solid rgba(11,46,30,.28);color:#0B2E1E;font-size:18px;align-items:center;justify-content:center;margin-left:auto;}

@media (max-width:1040px){
  .main-nav{position:absolute;top:calc(100% + 1px);left:0;right:0;flex-direction:column;align-items:stretch;background:#FDFBF4;border-bottom:1px solid rgba(245,158,11,.32);padding:10px 20px 16px;gap:2px;display:none;box-shadow:0 20px 36px rgba(5,31,20,.18);}
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:.95rem;}
  .nav-toggle{display:flex;}
  .nav-actions{margin-left:0;}
}
@media (max-width:600px){
  .nav-inner{gap:10px;min-height:66px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .brand-text strong{font-size:.82rem;}
  .brand-text small{display:none;}
  .nav-actions .btn-ghost{padding:7px 10px;font-size:.75rem;}
  .nav-actions .btn-gold-sm{padding:8px 12px;font-size:.75rem;}
  .nav-toggle{width:40px;height:40px;font-size:16px;}
}
@media (max-width:400px){
  .nav-actions .btn-ghost{display:none;}
}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:var(--jade-950);border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:.30;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(3,21,13,.97) 0%,rgba(5,31,20,.91) 44%,rgba(5,31,20,.66) 74%,rgba(5,31,20,.34) 100%);}
.hero-glow{position:absolute;width:560px;height:560px;right:-160px;top:-210px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);pointer-events:none;}
.hero-inner{position:relative;z-index:3;padding:56px 0 58px;max-width:800px;}
.hero-tag{display:inline-flex;align-items:center;gap:9px;font-size:.73rem;font-weight:800;letter-spacing:.10em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.36);padding:7px 15px;border-radius:999px;}
.hero h1{font-size:clamp(1.55rem,3.4vw,2.6rem);margin:18px 0 16px;color:var(--gold-200);font-weight:800;line-height:1.25;}
.hero-lead{font-size:1.01rem;line-height:1.68;color:#CFE4D9;max-width:720px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px;}
.hero-metrics li{display:flex;flex-direction:column;gap:1px;padding:11px 18px;border-radius:13px;background:rgba(255,255,255,.05);border:1px solid rgba(245,158,11,.22);}
.hero-metrics b{font-size:1.1rem;font-weight:800;color:var(--gold-300);line-height:1.25;}
.hero-metrics span{font-size:.74rem;color:var(--text-dim);}

/* ===== SECTIONS ===== */
.section{padding:70px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,#082619,#051F14);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-deep{background:var(--jade-950);border-top:1px solid var(--line-soft);}
.section-tight{padding:52px 0;}

.sec-head{max-width:790px;margin-bottom:36px;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:.73rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--gold-400);}
.sec-head h2{font-size:clamp(1.32rem,2.4vw,1.94rem);margin:12px 0 14px;color:var(--ivory);}
.sec-head p{color:var(--text-dim);font-size:.95rem;margin:0;line-height:1.68;}

/* ===== METRIC BAR ===== */
.metric-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(245,158,11,.18);border:1px solid rgba(245,158,11,.22);border-radius:var(--radius-lg);overflow:hidden;}
.metric-bar li{padding:24px 20px;background:linear-gradient(170deg,rgba(245,158,11,.08),rgba(5,31,20,.55));}
.metric-bar b{display:block;font-size:1.62rem;font-weight:800;color:var(--gold-300);line-height:1.2;margin-bottom:4px;}
.metric-bar span{font-size:.82rem;color:var(--text-dim);line-height:1.5;display:block;}
@media (max-width:980px){.metric-bar{grid-template-columns:repeat(3,1fr);}}
@media (max-width:620px){.metric-bar{grid-template-columns:repeat(2,1fr);}.metric-bar li{padding:18px 15px;}.metric-bar b{font-size:1.32rem;}}

/* ===== CARDS ===== */
.card{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:26px 24px;height:100%;position:relative;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.card:hover{transform:translateY(-4px);border-color:rgba(245,158,11,.40);box-shadow:var(--shadow-1);}
.card h3{font-size:1.05rem;margin-bottom:10px;color:var(--gold-200);}
.card p{font-size:.9rem;color:var(--text-dim);margin:0;line-height:1.66;}
.card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;color:var(--gold-300);background:linear-gradient(150deg,rgba(245,158,11,.16),rgba(245,158,11,.04));border:1px solid rgba(245,158,11,.30);margin-bottom:16px;}
.card-tag{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.13);border:1px solid rgba(245,158,11,.32);padding:4px 10px;border-radius:999px;margin-bottom:12px;}
.card-num{position:absolute;top:20px;right:22px;font-size:1.9rem;font-weight:800;color:rgba(245,158,11,.16);line-height:1;}

/* ===== ESSENCE BLOCKS ===== */
.essence-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px dashed rgba(245,158,11,.20);}
.essence-item:last-child{border-bottom:0;padding-bottom:0;}
.essence-item:first-child{padding-top:0;}
.essence-idx{flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:.95rem;color:#20160A;background:linear-gradient(140deg,#FCD34D,#D97706);box-shadow:0 6px 18px rgba(217,119,6,.28);}
.essence-body h3{font-size:1.04rem;color:var(--ivory);margin-bottom:9px;line-height:1.45;}
.essence-body p{font-size:.92rem;color:var(--text-dim);margin:0;line-height:1.68;}

/* ===== STEPS ===== */
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step{padding:26px 24px;border-radius:var(--radius-lg);background:linear-gradient(165deg,rgba(245,158,11,.09),rgba(255,255,255,.015));border:1px solid rgba(245,158,11,.22);}
.step b{display:block;font-size:2.1rem;font-weight:800;color:rgba(245,158,11,.45);line-height:1;margin-bottom:12px;}
.step h3{font-size:1rem;margin-bottom:9px;color:var(--gold-200);}
.step p{font-size:.89rem;color:var(--text-dim);margin:0;line-height:1.66;}
@media (max-width:860px){.step-row{grid-template-columns:1fr;}}

/* ===== COMPARE TABLE ===== */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line-soft);}
table.cmp{width:100%;border-collapse:collapse;min-width:640px;}
table.cmp th,table.cmp td{padding:16px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(255,255,255,.06);}
table.cmp thead th{background:rgba(245,158,11,.10);color:var(--gold-200);font-weight:800;font-size:.84rem;letter-spacing:.04em;text-transform:uppercase;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:nth-child(even){background:rgba(255,255,255,.018);}
table.cmp td:first-child{color:var(--ivory);font-weight:600;}
table.cmp td.c-old{color:#C7A0A0;}
table.cmp td.c-new{color:var(--mint);}
.cmp-note{font-size:.82rem;color:var(--text-dim);margin-top:14px;}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:'';position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(245,158,11,.55),rgba(245,158,11,.06));}
.timeline li{position:relative;padding:0 0 26px 0;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{content:'';position:absolute;left:-31px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--gold-500);box-shadow:0 0 0 4px rgba(245,158,11,.16);}
.timeline h3{font-size:.99rem;margin-bottom:6px;color:var(--ivory);}
.timeline p{font-size:.88rem;color:var(--text-dim);margin:0;line-height:1.66;}
.timeline em{font-style:normal;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-400);display:block;margin-bottom:4px;}

/* ===== TOOL LIST ===== */
.tool-list li{display:flex;align-items:flex-start;gap:14px;padding:15px 18px;border-radius:var(--radius-md);border:1px solid var(--line-soft);background:rgba(255,255,255,.022);margin-bottom:11px;transition:border-color .22s ease,transform .22s ease;}
.tool-list li:hover{border-color:rgba(245,158,11,.36);transform:translateX(4px);}
.tool-list i{color:var(--gold-400);font-size:15px;margin-top:4px;}
.tool-list strong{display:block;font-size:.94rem;color:var(--ivory);margin-bottom:3px;}
.tool-list span{font-size:.85rem;color:var(--text-dim);line-height:1.6;}

/* ===== CMS LIST ===== */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:34px;align-items:start;}
.news-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.06);transition:background .2s ease;}
.news-item:first-child{padding-top:0;}
.news-item:last-child{border-bottom:0;}
.news-thumb{flex:0 0 108px;width:108px;height:78px;border-radius:12px;overflow:hidden;border:1px solid var(--line-soft);background:rgba(255,255,255,.03);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-thumb img{transform:scale(1.06);}
.news-body h3{font-size:.99rem;line-height:1.48;margin-bottom:7px;color:var(--ivory);}
.news-item:hover .news-body h3{color:var(--gold-200);}
.news-body p{font-size:.86rem;color:var(--text-dim);margin:0 0 8px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.76rem;color:var(--olive);}
.news-meta i{margin-right:5px;color:var(--gold-500);}

.side-panel{border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(170deg,rgba(245,158,11,.08),rgba(255,255,255,.012));padding:24px 22px;}
.side-panel h3{font-size:1rem;color:var(--gold-200);margin-bottom:16px;padding-bottom:13px;border-bottom:1px solid rgba(245,158,11,.22);}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:block;font-size:.88rem;color:var(--ivory);line-height:1.52;}
.side-list a:hover{color:var(--gold-200);}
.side-list span{display:block;font-size:.74rem;color:var(--olive);margin-top:5px;}
.empty-note{font-size:.9rem;color:var(--text-dim);padding:22px 0;}
@media (max-width:900px){.news-layout{grid-template-columns:1fr;gap:26px;}}
@media (max-width:520px){
  .news-item{flex-direction:column;}
  .news-thumb{flex:none;width:100%;height:170px;}
}

/* ===== GUARANTEE STRIP ===== */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.20);border-radius:var(--radius-lg);overflow:hidden;}
.guarantee li{padding:24px 20px;background:linear-gradient(180deg,#08281A,#061D13);text-align:left;}
.guarantee i{font-size:20px;color:var(--gold-400);margin-bottom:12px;display:block;}
.guarantee strong{display:block;font-size:.94rem;color:var(--ivory);margin-bottom:6px;}
.guarantee span{font-size:.83rem;color:var(--text-dim);line-height:1.58;}
@media (max-width:900px){.guarantee{grid-template-columns:repeat(2,1fr);}}
@media (max-width:480px){.guarantee{grid-template-columns:1fr;}}

/* ===== CATEGORY MATRIX ===== */
.cat-card{display:block;height:100%;border-radius:var(--radius-lg);border:1px solid var(--line-soft);overflow:hidden;background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.012));transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(245,158,11,.42);box-shadow:var(--shadow-1);}
.cat-media{height:132px;overflow:hidden;position:relative;}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-media img{transform:scale(1.07);}
.cat-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,31,20,.05),rgba(5,31,20,.82));}
.cat-body{padding:20px 20px 24px;}
.cat-body h3{font-size:1rem;color:var(--gold-200);margin-bottom:9px;}
.cat-body p{font-size:.86rem;color:var(--text-dim);margin:0 0 12px;line-height:1.62;}
.cat-more{font-size:.82rem;font-weight:700;color:var(--gold-300);display:inline-flex;align-items:center;gap:7px;}
.cat-card:hover .cat-more{gap:11px;}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line-soft);}
.faq-item{border-bottom:1px solid var(--line-soft);padding:22px 0;}
.faq-q{display:flex;gap:14px;align-items:flex-start;font-size:1rem;font-weight:700;color:var(--ivory);margin-bottom:11px;}
.faq-q i{color:var(--gold-400);font-size:15px;margin-top:5px;flex:0 0 auto;}
.faq-a{font-size:.9rem;color:var(--text-dim);line-height:1.7;padding-left:29px;margin:0;}

/* ===== CTA / FORM ===== */
.cta-panel{border-radius:var(--radius-xl);border:1px solid rgba(245,158,11,.28);background:linear-gradient(135deg,rgba(245,158,11,.13),rgba(5,31,20,.72) 55%,rgba(5,31,20,.9));padding:46px 42px;box-shadow:var(--shadow-1);}
.cta-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;}
.cta-panel h2{font-size:clamp(1.3rem,2.3vw,1.85rem);color:var(--gold-200);margin-bottom:14px;}
.cta-panel p{font-size:.94rem;color:#CFE4D9;margin:0;line-height:1.68;}
.form-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:12px;}
.form-field{flex:1 1 210px;min-width:0;}
.form-field label{display:block;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-400);margin-bottom:7px;}
.form-field input{width:100%;padding:13px 15px;border-radius:12px;border:1px solid rgba(245,158,11,.28);background:rgba(3,21,13,.72);color:var(--ivory);font-size:.92rem;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;}
.form-field input::placeholder{color:#7C9A8C;}
.form-field input:focus{outline:none;border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(245,158,11,.16);}
.form-note{font-size:.78rem;color:var(--olive);margin:10px 0 0;line-height:1.6;}
@media (max-width:880px){.cta-grid{grid-template-columns:1fr;gap:28px;}.cta-panel{padding:32px 24px;}}

/* ===== PAY BADGES ===== */
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.pay-badge{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:var(--gold-200);padding:8px 14px;border-radius:10px;border:1px solid rgba(245,158,11,.30);background:rgba(245,158,11,.07);}
.pay-badge i{color:var(--gold-400);}

/* ===== FOOTER ===== */
.site-footer{background:var(--jade-950);border-top:1px solid rgba(245,158,11,.22);padding:58px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:44px;}
.foot-col h4{font-size:.86rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--gold-300);margin-bottom:16px;}
.foot-col p{font-size:.86rem;color:var(--text-dim);line-height:1.68;margin:0;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:.87rem;color:var(--text-dim);}
.foot-links a:hover{color:var(--gold-200);}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-mark{background:linear-gradient(140deg,#0B2E1E,#17472F);}
.foot-brand strong{font-size:.96rem;color:var(--ivory);font-weight:800;line-height:1.3;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;}
.foot-bottom p{font-size:.79rem;color:#7B8F86;margin:0;}
.foot-bottom .tg{display:flex;gap:10px;flex-wrap:wrap;}
.tg span{font-size:.72rem;font-weight:700;color:var(--gold-300);border:1px solid rgba(245,158,11,.30);padding:4px 10px;border-radius:999px;}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr;}}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:150;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:21px;color:#20160A;background:radial-gradient(circle at 32% 28%,#FDE68A,#F59E0B 58%,#B45309);border:2px solid #F59E0B;box-shadow:0 8px 28px rgba(245,158,11,.42);opacity:.86;transition:transform .3s ease,opacity .3s ease,box-shadow .3s ease;}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 12px 34px rgba(245,158,11,.55);color:#20160A;}
.fab:active{transform:scale(.94) translateY(3px);}
.fab i{transition:transform .55s cubic-bezier(.4,0,.2,1);}
.fab:hover i{transform:rotate(360deg);}
.fab::after{content:'';position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(245,158,11,.45);animation:fabRing 2.8s ease-out infinite;}
.fab-dot{position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;background:var(--red-600);border:2px solid #FDFBF4;box-shadow:0 0 10px rgba(220,38,38,.8);}
@keyframes fabRing{0%{transform:scale(.86);opacity:.85;}100%{transform:scale(1.38);opacity:0;}}
@media (max-width:560px){.fab{left:12px;bottom:84px;width:52px;height:52px;font-size:19px;}}

/* ===== HELPERS ===== */
.mt-0{margin-top:0;}
.text-dim{color:var(--text-dim);}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(245,158,11,.35),transparent);border:0;margin:0;}
.badge-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.badge-line span{font-size:.76rem;font-weight:700;color:var(--gold-200);border:1px solid rgba(245,158,11,.28);background:rgba(245,158,11,.06);padding:6px 13px;border-radius:999px;}

/* roulang page: article */
:root{
  --jade-950:#03150D;
  --jade-900:#051F14;
  --jade-850:#082619;
  --jade-800:#0B2E1E;
  --jade-700:#123F2B;
  --jade-600:#1A5B3D;
  --gold-600:#D97706;
  --gold-500:#F59E0B;
  --gold-400:#FBBF24;
  --gold-300:#FCD34D;
  --gold-200:#FDE68A;
  --red-600:#DC2626;
  --ivory:#F8FAFC;
  --mint:#D1FAE5;
  --olive:#A3A375;
  --text-dim:#94AFA3;
  --line:rgba(245,158,11,.20);
  --line-soft:rgba(255,255,255,.075);
  --card-bg:linear-gradient(162deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 16px 44px rgba(0,0,0,.44);
  --shadow-gold:0 12px 34px rgba(245,158,11,.24);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--ivory);
  background:var(--jade-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-300);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--gold-200);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;}
::selection{background:rgba(245,158,11,.35);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.3;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}

/* ================= BUTTONS ================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;text-align:center;cursor:pointer;border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn:focus-visible{outline:3px solid rgba(252,211,77,.55);outline-offset:2px;}
.btn-lg{padding:14px 26px;font-size:.94rem;}
.btn-gold{color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 22px rgba(217,119,6,.32);}
.btn-gold:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.42);}
.btn-gold:active{transform:translateY(1px);}
.btn-outline{color:var(--gold-200);border:1.5px solid rgba(245,158,11,.55);background:rgba(245,158,11,.07);padding:13px 24px;font-size:.92rem;}
.btn-outline:hover{color:var(--gold-200);background:rgba(245,158,11,.16);border-color:var(--gold-400);transform:translateY(-2px);}
.btn-ghost{font-size:.88rem;font-weight:700;color:#0B2E1E;padding:9px 16px;border-radius:10px;border:1.5px solid rgba(11,46,30,.30);}
.btn-ghost:hover{background:rgba(11,46,30,.06);border-color:rgba(11,46,30,.55);color:#0B2E1E;}
.btn-gold-sm{font-size:.88rem;font-weight:800;color:#20160A;padding:10px 20px;border-radius:10px;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 20px rgba(217,119,6,.30);}
.btn-gold-sm:hover{color:#20160A;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,119,6,.40);}
.btn-gold-sm:active{transform:translateY(1px);}

/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,244,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.32);
  box-shadow:0 8px 26px rgba(5,31,20,.14);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:74px;padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0;}
.brand:hover{opacity:.94;}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-400);font-size:19px;border:1px solid rgba(245,158,11,.45);box-shadow:0 6px 18px rgba(5,31,20,.24);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:.98rem;font-weight:800;color:#0B2E1E;letter-spacing:-.01em;}
.brand-text small{font-size:.70rem;color:#7C6A38;font-weight:700;letter-spacing:.03em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{font-size:.89rem;font-weight:600;color:#123F2B;padding:9px 13px;border-radius:10px;white-space:nowrap;}
.main-nav a:hover{background:rgba(11,46,30,.07);color:#0B2E1E;}
.main-nav a.active{background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-300);box-shadow:0 6px 16px rgba(5,31,20,.22);}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1.5px solid rgba(11,46,30,.28);color:#0B2E1E;font-size:17px;align-items:center;justify-content:center;}

/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:150;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%,#17472F,#03150D 72%);
  border:2px solid var(--gold-500);
  color:var(--gold-300);font-size:20px;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  opacity:.88;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{color:var(--gold-200);transform:scale(1.1);opacity:1;box-shadow:0 10px 32px rgba(245,158,11,.5);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab i{transition:transform .5s ease;}
.fab:hover i{transform:rotate(360deg);}
.fab::after{
  content:"";position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:var(--red-600);border:2px solid #FDFBF4;
  animation:pulseDot 1.8s ease-in-out infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}

/* ================= ARTICLE HERO ================= */
.art-hero{position:relative;overflow:hidden;background:var(--jade-950);border-bottom:1px solid var(--line);}
.art-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/d2ee9094702a0dfe.jpg');background-size:cover;background-position:center 40%;opacity:.28;}
.art-hero-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(3,21,13,.97) 0%,rgba(5,31,20,.92) 48%,rgba(5,31,20,.62) 78%,rgba(5,31,20,.38) 100%);}
.art-hero-glow{position:absolute;width:520px;height:520px;right:-170px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 68%);pointer-events:none;}
.art-hero-inner{position:relative;z-index:3;padding:44px 0 46px;max-width:900px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.79rem;font-weight:600;color:var(--text-dim);margin-bottom:18px;}
.crumbs a{color:var(--mint);}
.crumbs a:hover{color:var(--gold-300);}
.crumbs i{font-size:.6rem;opacity:.6;}
.art-hero h1{font-size:clamp(1.6rem,3.5vw,2.5rem);color:#fff;margin-bottom:18px;}
.art-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-chip{display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:700;letter-spacing:.02em;color:var(--gold-200);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.30);padding:6px 13px;border-radius:999px;}
.meta-chip.plain{color:var(--mint);background:rgba(255,255,255,.05);border-color:var(--line-soft);}

/* ================= ARTICLE BODY ================= */
.art-body{padding:52px 0 18px;background:var(--jade-900);}
.art-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;align-items:start;}
.art-content{min-width:0;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-xl);padding:34px 32px 30px;box-shadow:var(--shadow-1);}
.art-content > *:first-child{margin-top:0;}
.art-content h2{font-size:clamp(1.25rem,2.3vw,1.68rem);color:var(--gold-300);margin:36px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.art-content h3{font-size:1.12rem;color:var(--mint);margin:26px 0 11px;}
.art-content h4{font-size:1rem;color:var(--gold-200);margin:22px 0 9px;}
.art-content p{color:#D6E9DF;line-height:1.7;margin-bottom:16px;}
.art-content ul,.art-content ol{color:#D6E9DF;line-height:1.68;margin:0 0 18px;padding-left:22px;}
.art-content li{margin-bottom:8px;}
.art-content strong,.art-content b{color:#fff;}
.art-content a{color:var(--gold-300);text-decoration:underline;text-underline-offset:3px;}
.art-content a:hover{color:var(--gold-200);}
.art-content blockquote{margin:24px 0;padding:16px 21px;border-left:3px solid var(--gold-500);border-radius:0 var(--radius-md) var(--radius-md) 0;background:rgba(245,158,11,.08);color:var(--gold-200);font-style:normal;}
.art-content img{border-radius:var(--radius-lg);border:1px solid var(--line-soft);margin:22px 0;}
.art-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.9rem;overflow:hidden;}
.art-content th,.art-content td{padding:11px 14px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top;}
.art-content th{background:rgba(245,158,11,.10);color:var(--gold-300);font-weight:700;}
.art-content td{color:#D6E9DF;}
.art-content hr{border:0;border-top:1px solid var(--line-soft);margin:30px 0;}
.art-empty{text-align:center;padding:34px 10px;}
.art-empty i{font-size:34px;color:var(--gold-400);margin-bottom:16px;}
.art-empty h2{color:#fff;font-size:1.4rem;margin-bottom:12px;}
.art-empty p{color:var(--text-dim);max-width:520px;margin:0 auto 22px;}
.art-aside{position:sticky;top:96px;display:grid;gap:16px;}
.aside-card{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:20px 20px 18px;}
.aside-card h3{font-size:.95rem;color:var(--gold-300);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.aside-list{list-style:none;padding:0;margin:0;}
.aside-list li{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:#C8DED3;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08);line-height:1.55;}
.aside-list li:last-child{border-bottom:0;}
.aside-list i{color:var(--gold-400);margin-top:4px;font-size:.72rem;}
.aside-note{font-size:.84rem;color:var(--text-dim);line-height:1.6;}

/* ================= SECTIONS ================= */
.sec{padding:64px 0;background:var(--jade-900);border-top:1px solid var(--line-soft);}
.sec-alt{background:linear-gradient(180deg,var(--jade-850),var(--jade-900));}
.sec-head{max-width:660px;margin-bottom:32px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:800;letter-spacing:.10em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.36);padding:6px 14px;border-radius:999px;margin-bottom:14px;}
.badge-red{color:#FECACA;background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.44);}
.sec-head h2{font-size:clamp(1.4rem,2.9vw,2.05rem);color:#fff;margin-bottom:12px;}
.sec-head p{color:var(--text-dim);font-size:.95rem;line-height:1.7;margin:0;}

/* ================= STEPS ================= */
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.step-card{position:relative;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:26px 22px 22px;border-top:3px solid var(--gold-500);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.step-card:hover{transform:translateY(-4px);border-color:var(--gold-400);box-shadow:var(--shadow-gold);}
.step-num{position:absolute;top:-16px;left:20px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:.9rem;font-weight:800;color:#20160A;background:linear-gradient(120deg,#FCD34D,#D97706);box-shadow:0 8px 18px rgba(217,119,6,.32);}
.step-card h3{font-size:1.02rem;color:#fff;margin:14px 0 10px;}
.step-card p{font-size:.88rem;color:var(--text-dim);line-height:1.68;margin:0;}

/* ================= FORMULAS ================= */
.formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.formula-card{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:22px 20px;display:flex;flex-direction:column;gap:10px;transition:transform .25s ease,border-color .25s ease;}
.formula-card:hover{transform:translateY(-3px);border-color:rgba(245,158,11,.5);}
.formula-card.wide{grid-column:span 1;}
.formula-index{font-size:.74rem;font-weight:800;letter-spacing:.14em;color:var(--gold-400);}
.formula-card h3{font-size:1rem;color:#fff;}
.formula-card p{font-size:.87rem;color:var(--text-dim);line-height:1.66;margin:0;flex:1;}
.formula-tag{align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mint);background:rgba(16,185,129,.13);border:1px solid rgba(16,185,129,.32);padding:4px 10px;border-radius:999px;}
.formula-tag.warn{color:#FECACA;background:rgba(220,38,38,.14);border-color:rgba(220,38,38,.36);}

/* ================= CATEGORY MATRIX ================= */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cat-card{display:block;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-xl);padding:26px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.cat-card:hover{transform:translateY(-5px);border-color:var(--gold-400);box-shadow:var(--shadow-gold);}
.cat-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;color:var(--gold-300);background:linear-gradient(140deg,#0B2E1E,#17472F);border:1px solid rgba(245,158,11,.4);margin-bottom:16px;}
.cat-card h3{font-size:1.06rem;color:#fff;margin-bottom:9px;}
.cat-card p{font-size:.87rem;color:var(--text-dim);line-height:1.66;margin:0 0 14px;}
.cat-more{font-size:.82rem;font-weight:700;color:var(--gold-300);display:inline-flex;align-items:center;gap:7px;}
.cat-card:hover .cat-more{color:var(--gold-200);}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-md);overflow:hidden;transition:border-color .25s ease;}
.faq-item[open]{border-color:rgba(245,158,11,.45);}
.faq-q{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;font-size:.95rem;font-weight:700;color:#fff;}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:var(--gold-200);}
.faq-q i{color:var(--gold-400);font-size:.78rem;transition:transform .25s ease;flex-shrink:0;}
.faq-item[open] .faq-q i{transform:rotate(180deg);}
.faq-a{padding:0 20px 18px;color:var(--text-dim);font-size:.89rem;line-height:1.72;}
.faq-a p{margin:0;}

/* ================= CTA ================= */
.cta-band{padding:64px 0 72px;background:linear-gradient(120deg,var(--jade-800),var(--jade-950) 72%);border-top:1px solid var(--line);}
.cta-card{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius-xl);padding:38px 36px;box-shadow:var(--shadow-1);}
.cta-copy h2{font-size:clamp(1.35rem,2.7vw,1.95rem);color:#fff;margin-bottom:14px;}
.cta-copy > p{color:var(--text-dim);font-size:.93rem;line-height:1.72;margin-bottom:20px;}
.cta-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:#D6E9DF;line-height:1.6;}
.cta-list i{color:var(--gold-400);margin-top:5px;font-size:.72rem;}
.cta-form{display:grid;gap:8px;background:rgba(3,21,13,.55);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:24px 22px;}
.cta-form label{font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--mint);}
.cta-form input,.cta-form select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:#fff;transition:border-color .2s ease,box-shadow .2s ease;margin-bottom:6px;}
.cta-form input::placeholder{color:#7F9C90;}
.cta-form input:focus,.cta-form select:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(245,158,11,.18);}
.cta-form select option{background:#0B2E1E;color:#fff;}
.cta-form .btn{margin-top:8px;width:100%;}
.form-note{font-size:.75rem;color:#7F9C90;margin:6px 0 0;line-height:1.55;text-align:center;}

/* ================= FOOTER ================= */
.site-footer{background:var(--jade-950);border-top:1px solid var(--line);padding:52px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:30px;border-bottom:1px solid var(--line-soft);}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.foot-brand strong{font-size:1rem;color:#fff;}
.foot-col p{font-size:.85rem;color:var(--text-dim);line-height:1.72;}
.foot-col h4{font-size:.86rem;color:var(--gold-300);letter-spacing:.05em;text-transform:uppercase;margin-bottom:14px;}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.foot-links a{font-size:.86rem;color:#C3D9CD;}
.foot-links a:hover{color:var(--gold-300);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badge{display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:700;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);padding:6px 11px;border-radius:8px;}
.pay-badge i{color:var(--gold-400);}
.foot-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:20px;}
.foot-bottom p{font-size:.79rem;color:#7F9C90;margin:0;}
.tg{display:flex;flex-wrap:wrap;gap:8px;}
.tg span{font-size:.72rem;font-weight:700;color:var(--gold-200);background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.26);padding:5px 11px;border-radius:999px;}

/* ================= RESPONSIVE ================= */
@media screen and (max-width:1024px){
  .art-shell{grid-template-columns:1fr;gap:26px;}
  .art-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-grid,.formula-grid,.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:32px 26px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
}
@media screen and (max-width:900px){
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:#FDFBF4;border-bottom:1px solid rgba(245,158,11,.32);
    padding:10px 20px 16px;box-shadow:0 20px 36px rgba(5,31,20,.18);
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:.95rem;}
  .nav-actions{margin-left:0;}
  .nav-actions .btn-ghost{display:none;}
}
@media screen and (max-width:768px){
  .sec{padding:48px 0;}
  .art-hero-inner{padding:34px 0 36px;}
  .art-content{padding:26px 20px 22px;border-radius:var(--radius-lg);}
  .art-aside{grid-template-columns:1fr;}
  .steps-grid,.formula-grid,.cat-grid{grid-template-columns:1fr;}
  .brand-text small{display:none;}
  .fab{width:52px;height:52px;bottom:88px;}
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text strong{font-size:.8rem;}
  .nav-actions .btn-gold-sm{padding:8px 12px;font-size:.74rem;}
  .art-content h2{font-size:1.2rem;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .cta-card{padding:24px 18px;}
  .cta-form{padding:18px 16px;}
}

/* roulang page: category1 */
:root{
  --jade-950:#03150D;
  --jade-900:#051F14;
  --jade-850:#082619;
  --jade-800:#0B2E1E;
  --jade-700:#123F2B;
  --jade-600:#1A5B3D;
  --gold-600:#D97706;
  --gold-500:#F59E0B;
  --gold-400:#FBBF24;
  --gold-300:#FCD34D;
  --gold-200:#FDE68A;
  --red-600:#DC2626;
  --ivory:#F8FAFC;
  --mint:#D1FAE5;
  --olive:#A3A375;
  --text-dim:#94AFA3;
  --line:rgba(245,158,11,.20);
  --line-soft:rgba(255,255,255,.075);
  --card-bg:linear-gradient(162deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 16px 44px rgba(0,0,0,.44);
  --shadow-gold:0 12px 34px rgba(245,158,11,.24);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--ivory);
  background:var(--jade-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-300);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--gold-200);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.26;letter-spacing:-.01em;color:var(--ivory);}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;text-align:center;cursor:pointer;border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-lg{padding:14px 26px;font-size:.94rem;}
.btn-gold{color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 22px rgba(217,119,6,.32);}
.btn-gold:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.42);}
.btn-gold:active{transform:translateY(1px);}
.btn-outline{color:var(--gold-200);border:1.5px solid rgba(245,158,11,.55);background:rgba(245,158,11,.07);}
.btn-outline:hover{color:var(--gold-200);background:rgba(245,158,11,.16);border-color:var(--gold-400);transform:translateY(-2px);}
.btn-ghost{font-size:.88rem;font-weight:700;color:#0B2E1E;padding:9px 16px;border-radius:10px;border:1.5px solid rgba(11,46,30,.30);}
.btn-ghost:hover{background:rgba(11,46,30,.06);border-color:rgba(11,46,30,.55);color:#0B2E1E;}
.btn-gold-sm{font-size:.88rem;font-weight:800;color:#20160A;padding:10px 20px;border-radius:10px;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 20px rgba(217,119,6,.30);}
.btn-gold-sm:hover{color:#20160A;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,119,6,.40);}
.btn-gold-sm:active{transform:translateY(1px);}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,244,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.32);
  box-shadow:0 8px 26px rgba(5,31,20,.14);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px;padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0;}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-400);font-size:19px;border:1px solid rgba(245,158,11,.45);box-shadow:0 6px 18px rgba(5,31,20,.24);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:.98rem;font-weight:800;color:#0B2E1E;letter-spacing:-.01em;}
.brand-text small{font-size:.70rem;color:#7C6A38;font-weight:700;letter-spacing:.03em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{font-size:.89rem;font-weight:600;color:#123F2B;padding:9px 13px;border-radius:10px;white-space:nowrap;}
.main-nav a:hover{background:rgba(11,46,30,.07);color:#0B2E1E;}
.main-nav a.active{background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-300);box-shadow:0 6px 16px rgba(5,31,20,.22);}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:11px;border:1.5px solid rgba(11,46,30,.28);color:#0B2E1E;font-size:18px;align-items:center;justify-content:center;}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:var(--jade-950);border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;opacity:.30;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(3,21,13,.97) 0%,rgba(5,31,20,.92) 44%,rgba(5,31,20,.68) 74%,rgba(5,31,20,.36) 100%);}
.hero-glow{position:absolute;width:560px;height:560px;right:-160px;top:-210px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);pointer-events:none;}
.hero-inner{position:relative;z-index:3;padding:56px 0 58px;}
.hero-tag{display:inline-flex;align-items:center;gap:9px;font-size:.73rem;font-weight:800;letter-spacing:.10em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.36);padding:7px 15px;border-radius:999px;}
.hero h1{font-size:clamp(1.55rem,3.3vw,2.55rem);margin:18px 0 16px;color:var(--ivory);}
.hero-lead{font-size:1rem;color:var(--mint);max-width:640px;margin-bottom:22px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:620px;}
.kpi{background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 14px;}
.kpi b{display:block;font-size:1.28rem;color:var(--gold-300);font-weight:800;line-height:1.2;}
.kpi span{font-size:.74rem;color:var(--text-dim);font-weight:600;letter-spacing:.02em;}
.hero-split{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.hero-media{position:relative;transform:translateY(-14px);}
.hero-media img{width:100%;border-radius:var(--radius-xl);border:1px solid var(--line);box-shadow:var(--shadow-1);}
.hero-media::after{content:"";position:absolute;inset:-1px;border-radius:var(--radius-xl);background:linear-gradient(200deg,rgba(245,158,11,.22),transparent 55%);pointer-events:none;}
.hero-float{position:absolute;left:-22px;bottom:-24px;background:linear-gradient(150deg,rgba(8,38,25,.97),rgba(5,31,20,.94));border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px 18px;box-shadow:var(--shadow-1);min-width:200px;}
.hero-float b{display:block;color:var(--gold-300);font-size:1.05rem;}
.hero-float span{font-size:.76rem;color:var(--text-dim);}

/* ===== SECTIONS ===== */
.sec{padding:74px 0;position:relative;}
.sec-alt{background:var(--jade-850);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.sec-deep{background:linear-gradient(180deg,var(--jade-950),var(--jade-900));border-top:1px solid var(--line-soft);}
.sec-head{max-width:780px;margin-bottom:36px;}
.sec-tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-400);margin-bottom:10px;}
.sec-head h2{font-size:clamp(1.28rem,2.3vw,1.9rem);}
.sec-head p{color:var(--text-dim);margin:0;}
.sec-head--wide{max-width:900px;}

/* ===== CARDS / GRIDS ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:var(--card-bg);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  position:relative;
}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-1);}
.card i.c-ico{font-size:1.15rem;color:var(--gold-400);width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.28);margin-bottom:16px;}
.card h3{font-size:1.02rem;margin-bottom:9px;}
.card p{font-size:.92rem;color:var(--text-dim);margin:0;}
.formula-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.formula{position:relative;padding-top:30px;}
.formula .num{position:absolute;top:-14px;left:22px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:.95rem;color:#20160A;background:linear-gradient(130deg,#FCD34D,#F59E0B 60%,#D97706);box-shadow:var(--shadow-gold);}
.formula .cond{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.26);padding:4px 10px;border-radius:999px;margin-bottom:12px;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:.72rem;font-weight:700;color:var(--mint);background:rgba(16,185,129,.10);border:1px solid rgba(16,185,129,.28);padding:5px 11px;border-radius:999px;}
.tag-gold{color:var(--gold-200);background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.30);}

/* ===== STEPS ===== */
.steps{display:grid;gap:18px;}
.step{display:grid;grid-template-columns:78px 1fr;gap:22px;align-items:start;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:24px;transition:border-color .24s ease,transform .24s ease;}
.step:hover{border-color:var(--line);transform:translateX(4px);}
.step .step-no{font-size:1.7rem;font-weight:800;color:transparent;-webkit-text-stroke:1.4px rgba(245,158,11,.65);line-height:1;}
.step h3{font-size:1.02rem;margin-bottom:8px;}
.step p{margin:0;color:var(--text-dim);font-size:.92rem;}

/* ===== COMPARE ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line-soft);background:var(--card-bg);}
.compare-col.good{border-color:rgba(245,158,11,.40);background:linear-gradient(160deg,rgba(245,158,11,.10),rgba(255,255,255,.014));}
.compare-col.bad{border-color:rgba(220,38,38,.30);background:linear-gradient(160deg,rgba(220,38,38,.09),rgba(255,255,255,.012));}
.compare-col h3{font-size:1.05rem;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.compare-col.good h3 i{color:var(--gold-400);}
.compare-col.bad h3 i{color:#F87171;}
.compare-col li{display:flex;gap:11px;align-items:flex-start;font-size:.92rem;color:var(--text-dim);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07);}
.compare-col li:last-child{border-bottom:0;}
.compare-col li i{margin-top:4px;font-size:.78rem;}
.compare-col.good li i{color:var(--gold-400);}
.compare-col.bad li i{color:#F87171;}
.verdict{margin-top:22px;padding:16px 20px;border-left:3px solid var(--gold-500);background:rgba(245,158,11,.07);border-radius:0 var(--radius-md) var(--radius-md) 0;font-size:.94rem;color:var(--gold-200);}

/* ===== CATEGORY MATRIX ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-card{display:block;border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:26px 24px;background:var(--card-bg);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;height:100%;}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(245,158,11,.42);box-shadow:var(--shadow-1);color:var(--ivory);}
.cat-card i{font-size:1.2rem;color:var(--gold-400);}
.cat-card h3{font-size:1.05rem;margin:14px 0 8px;color:var(--ivory);}
.cat-card p{font-size:.9rem;color:var(--text-dim);margin:0 0 14px;}
.cat-card .more{font-size:.82rem;font-weight:800;color:var(--gold-300);letter-spacing:.02em;}
.cat-card.is-current{border-color:rgba(245,158,11,.55);box-shadow:0 0 0 1px rgba(245,158,11,.25) inset;}

/* ===== NEWS LIST ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;background:var(--card-bg);display:flex;flex-direction:column;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;}
.news-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-1);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.72rem;color:var(--text-dim);font-weight:600;margin-bottom:10px;}
.news-meta i{color:var(--gold-400);margin-right:5px;}
.news-body h3{font-size:.98rem;line-height:1.42;margin-bottom:9px;}
.news-body h3 a{color:var(--ivory);}
.news-body h3 a:hover{color:var(--gold-300);}
.news-body p{font-size:.87rem;color:var(--text-dim);margin:0 0 14px;flex:1;}
.news-read{font-size:.82rem;font-weight:800;color:var(--gold-300);}
.empty-note{border:1px dashed var(--line);border-radius:var(--radius-lg);padding:28px;color:var(--text-dim);text-align:center;background:rgba(255,255,255,.02);}
.list-more{margin-top:28px;text-align:center;}

/* ===== ASSURANCE ===== */
.assure{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start;}
.assure-list{display:grid;gap:16px;}
.assure-item{display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;padding:18px 20px;border:1px solid var(--line-soft);border-radius:var(--radius-md);background:rgba(255,255,255,.022);}
.assure-item i{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:var(--gold-400);background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.26);font-size:1rem;}
.assure-item h3{font-size:.96rem;margin-bottom:6px;}
.assure-item p{margin:0;font-size:.88rem;color:var(--text-dim);}
.pay-panel{border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;background:linear-gradient(160deg,rgba(245,158,11,.08),rgba(255,255,255,.012));}
.pay-panel h3{font-size:1.02rem;}
.pay-panel p{font-size:.89rem;color:var(--text-dim);}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px;}
.pay-badge{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;color:var(--mint);background:rgba(255,255,255,.05);border:1px solid var(--line-soft);padding:8px 13px;border-radius:10px;}
.pay-badge i{color:var(--gold-400);}
.age-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.age-pill{font-size:.72rem;font-weight:800;letter-spacing:.05em;color:var(--gold-200);border:1px solid rgba(245,158,11,.34);border-radius:999px;padding:6px 13px;background:rgba(245,158,11,.07);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;display:grid;gap:14px;}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:rgba(255,255,255,.028);overflow:hidden;transition:border-color .22s ease;}
.faq-item[open]{border-color:rgba(245,158,11,.36);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:.98rem;color:var(--ivory);display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.76rem;color:var(--gold-400);transition:transform .22s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--text-dim);font-size:.92rem;}

/* ===== CTA FORM ===== */
.cta-sec{background:linear-gradient(140deg,var(--jade-950) 0%,var(--jade-800) 55%,var(--jade-900) 100%);border-top:1px solid var(--line);}
.cta-box{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;border:1px solid var(--line);border-radius:var(--radius-xl);padding:38px 36px;background:linear-gradient(150deg,rgba(245,158,11,.10),rgba(255,255,255,.014));box-shadow:var(--shadow-1);}
.cta-box h2{font-size:clamp(1.25rem,2.2vw,1.7rem);}
.cta-box p{color:var(--mint);font-size:.94rem;}
.cta-points{display:grid;gap:10px;margin-top:16px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--text-dim);}
.cta-points li i{color:var(--gold-400);margin-top:4px;font-size:.8rem;}
.cta-form{display:grid;gap:13px;background:rgba(3,21,13,.55);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:22px;}
.cta-form label{display:block;font-size:.78rem;font-weight:700;color:var(--gold-200);margin-bottom:6px;letter-spacing:.01em;}
.cta-form input,.cta-form select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  color:var(--ivory);font-family:inherit;font-size:.92rem;
  transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(148,175,163,.72);}
.cta-form input:focus,.cta-form select:focus{outline:none;border-color:var(--gold-500);background:rgba(255,255,255,.08);}
.cta-form select option{background:var(--jade-850);color:var(--ivory);}
.form-note{font-size:.76rem;color:var(--text-dim);margin:0;}
.form-note i{color:var(--gold-400);margin-right:6px;}

/* ===== FOOTER ===== */
.site-footer{background:var(--jade-950);border-top:1px solid var(--line);padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:32px;border-bottom:1px solid var(--line-soft);}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.foot-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
.foot-brand strong{font-size:.98rem;color:var(--ivory);}
.foot-col h4{font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-300);margin-bottom:16px;font-weight:800;}
.foot-col p{font-size:.87rem;color:var(--text-dim);}
.foot-links li{margin-bottom:9px;}
.foot-links a{font-size:.87rem;color:var(--text-dim);}
.foot-links a:hover{color:var(--gold-300);}
.pay-row .pay-badge{font-size:.74rem;}
.foot-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:22px;}
.foot-bottom p{margin:0;font-size:.79rem;color:var(--text-dim);}
.tg{display:flex;flex-wrap:wrap;gap:8px;}
.tg span{font-size:.7rem;font-weight:800;letter-spacing:.05em;color:var(--gold-200);border:1px solid rgba(245,158,11,.30);border-radius:999px;padding:5px 11px;background:rgba(245,158,11,.06);}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 32% 28%,#17472F,#0B2E1E 62%,#03150D);border:2px solid var(--gold-500);box-shadow:0 6px 25px rgba(245,158,11,.35);color:var(--gold-300);font-size:1.15rem;opacity:.85;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;animation:fabFloat 3.4s ease-in-out infinite;}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 10px 32px rgba(245,158,11,.5);color:var(--gold-200);}
.fab:hover i{transform:rotate(360deg);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab i{transition:transform .6s cubic-bezier(.4,0,.2,1);}
.fab-dot{position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;background:var(--red-600);box-shadow:0 0 0 2px #F8FAFC;}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ===== RESPONSIVE ===== */
@media screen and (max-width:1024px){
  .hero-split{grid-template-columns:1fr;gap:34px;}
  .hero-media{transform:none;}
  .hero-float{left:12px;bottom:-18px;}
  .grid-4,.grid-3,.formula-grid,.news-grid,.cat-grid{grid-template-columns:repeat(2,1fr);}
  .assure{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:900px){
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#FDFBF4;border-bottom:1px solid rgba(245,158,11,.32);
    padding:10px 20px 16px;gap:2px;display:none;
    box-shadow:0 20px 36px rgba(5,31,20,.18);
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:.95rem;border-radius:10px;}
  .nav-inner{gap:10px;min-height:66px;}
  .nav-actions{margin-left:0;gap:7px;}
  .nav-actions .btn-ghost{padding:8px 11px;font-size:.76rem;}
  .nav-actions .btn-gold-sm{padding:9px 14px;font-size:.76rem;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .brand-text strong{font-size:.84rem;}
  .brand-text small{display:none;}
}
@media screen and (max-width:768px){
  .sec{padding:56px 0;}
  .hero-inner{padding:42px 0 46px;}
  .kpi-row{grid-template-columns:repeat(2,1fr);}
  .grid-2,.compare,.cta-box{grid-template-columns:1fr;}
  .grid-4,.grid-3,.formula-grid,.news-grid,.cat-grid,.foot-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:12px;}
  .cta-box{padding:28px 22px;}
  .hero-float{position:static;margin-top:14px;min-width:0;}
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:1.34rem;}
  .hero-cta .btn{width:100%;}
  .kpi{padding:10px 12px;}
  .brand-text{display:none;}
  .nav-actions .btn-ghost{padding:7px 10px;font-size:.72rem;}
  .nav-actions .btn-gold-sm{padding:8px 12px;font-size:.72rem;}
  .fab{left:12px;bottom:84px;width:52px;height:52px;font-size:1.05rem;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --jade-950:#03150D;
  --jade-900:#051F14;
  --jade-850:#082619;
  --jade-800:#0B2E1E;
  --jade-700:#123F2B;
  --jade-600:#1A5B3D;
  --gold-600:#D97706;
  --gold-500:#F59E0B;
  --gold-400:#FBBF24;
  --gold-300:#FCD34D;
  --gold-200:#FDE68A;
  --red-600:#DC2626;
  --ivory:#F8FAFC;
  --mint:#D1FAE5;
  --olive:#A3A375;
  --text-dim:#94AFA3;
  --line:rgba(245,158,11,.20);
  --line-soft:rgba(255,255,255,.075);
  --card-bg:linear-gradient(162deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 16px 44px rgba(0,0,0,.44);
  --shadow-gold:0 12px 34px rgba(245,158,11,.24);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--ivory);
  background:var(--jade-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-300);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--gold-200);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;color:var(--ivory);font-weight:800;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--ivory);}
:focus-visible{outline:2px solid var(--gold-400);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.04em;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;text-align:center;cursor:pointer;border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-lg{padding:14px 26px;font-size:.94rem;}
.btn-gold{color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 22px rgba(217,119,6,.32);}
.btn-gold:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.42);}
.btn-gold:active{transform:translateY(1px);}
.btn-outline{color:var(--gold-200);border:1.5px solid rgba(245,158,11,.55);background:rgba(245,158,11,.07);}
.btn-outline:hover{color:var(--gold-200);background:rgba(245,158,11,.16);border-color:var(--gold-400);transform:translateY(-2px);}
.btn-ghost{font-size:.88rem;font-weight:700;color:#0B2E1E;padding:9px 16px;border-radius:10px;border:1.5px solid rgba(11,46,30,.30);}
.btn-ghost:hover{background:rgba(11,46,30,.06);border-color:rgba(11,46,30,.55);color:#0B2E1E;}
.btn-gold-sm{font-size:.88rem;font-weight:800;color:#20160A;padding:10px 20px;border-radius:10px;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 20px rgba(217,119,6,.30);}
.btn-gold-sm:hover{color:#20160A;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,119,6,.40);}
.btn-gold-sm:active{transform:translateY(1px);}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,244,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.32);
  box-shadow:0 8px 26px rgba(5,31,20,.14);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px;padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0;}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-400);font-size:19px;border:1px solid rgba(245,158,11,.45);box-shadow:0 6px 18px rgba(5,31,20,.24);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:.98rem;font-weight:800;color:#0B2E1E;letter-spacing:-.01em;}
.brand-text small{font-size:.70rem;color:#7C6A38;font-weight:700;letter-spacing:.03em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{font-size:.89rem;font-weight:600;color:#123F2B;padding:9px 13px;border-radius:10px;white-space:nowrap;}
.main-nav a:hover{background:rgba(11,46,30,.07);color:#0B2E1E;}
.main-nav a.active{background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-300);box-shadow:0 6px 16px rgba(5,31,20,.22);}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:11px;border:1.5px solid rgba(11,46,30,.28);color:#0B2E1E;font-size:18px;align-items:center;justify-content:center;margin-left:8px;}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:150;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 26%,#FDE68A,#F59E0B 48%,#B45309 100%);
  color:#2A1A03;font-size:19px;
  border:2px solid #F59E0B;
  box-shadow:0 6px 25px rgba(245,158,11,.35),inset 0 0 0 3px rgba(5,31,20,.88),inset 0 0 0 5px rgba(253,230,138,.55);
  opacity:.85;
  animation:fabFloat 3.6s ease-in-out infinite;
  transition:transform .3s ease,opacity .3s ease;
}
.fab-support i{transition:transform .5s ease;}
.fab-support:hover{opacity:1;animation-play-state:paused;transform:scale(1.1);color:#2A1A03;}
.fab-support:hover i{transform:rotate(360deg);}
.fab-support:active{transform:scale(.95) translateY(3px);}
.fab-dot{position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;background:var(--red-600);box-shadow:0 0 0 2px #F8FAFC;}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:var(--jade-950);border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;opacity:.28;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(3,21,13,.97) 0%,rgba(5,31,20,.92) 46%,rgba(5,31,20,.68) 76%,rgba(5,31,20,.38) 100%);}
.hero-glow{position:absolute;width:600px;height:600px;right:-180px;top:-230px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);pointer-events:none;}
.hero-wrap{position:relative;z-index:3;padding:56px 0 54px;}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;}
.hero-tag{display:inline-flex;align-items:center;gap:9px;font-size:.73rem;font-weight:800;letter-spacing:.10em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.36);padding:7px 15px;border-radius:999px;}
.hero h1{font-size:clamp(1.55rem,3.4vw,2.55rem);margin:18px 0 16px;color:#FFFFFF;letter-spacing:-.01em;}
.hero h1 .hl{background:linear-gradient(100deg,#FCD34D,#F59E0B);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:1.02rem;color:#CFE3D9;max-width:640px;line-height:1.7;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:.84rem;color:var(--text-dim);}
.hero-note i{color:var(--gold-400);}
.hero-panel{
  background:linear-gradient(160deg,rgba(11,46,30,.92),rgba(3,21,13,.92));
  border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:24px;box-shadow:var(--shadow-1);
}
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.panel-head span{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-300);}
.panel-head i{color:var(--gold-400);}
.panel-field{margin-bottom:14px;}
.panel-field label{display:block;font-size:.78rem;font-weight:700;color:var(--mint);margin-bottom:7px;letter-spacing:.02em;}
.panel-field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,21,13,.85);border:1px solid var(--line-soft);color:var(--ivory);
}
.panel-field select:hover{border-color:var(--line);}
.hash-preview{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  background:rgba(0,0,0,.35);border:1px dashed rgba(245,158,11,.35);
  border-radius:var(--radius-sm);padding:12px 14px;font-size:.82rem;color:var(--gold-200);
  word-break:break-all;
}
.panel-status{margin-top:14px;font-size:.84rem;color:var(--text-dim);}
.panel-status strong{color:var(--gold-300);}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid var(--line-soft);padding-top:26px;margin-top:40px;}
.stat b{display:block;font-size:1.5rem;color:var(--gold-300);font-weight:800;line-height:1.15;}
.stat span{font-size:.3rem;font-size:.82rem;color:var(--text-dim);}

/* ===== SECTIONS ===== */
.section{padding:72px 0;position:relative;}
.section-alt{background:var(--jade-850);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-dark{background:var(--jade-950);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.sec-head{max-width:780px;margin-bottom:36px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.10);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:14px;}
.sec-title{font-size:clamp(1.32rem,2.4vw,1.95rem);margin-bottom:12px;}
.sec-desc{color:var(--text-dim);font-size:.98rem;line-height:1.7;margin:0;}
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.split-rule{border-left:1px solid var(--line-soft);padding-left:32px;}

/* ===== GRIDS & CARDS ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.f-card{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.f-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-1);}
.f-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-400);font-size:18px;margin-bottom:14px;}
.f-card h3{font-size:1.02rem;margin-bottom:8px;}
.f-card p{color:var(--text-dim);font-size:.92rem;margin:0;line-height:1.65;}

/* ===== TOOL ===== */
.tool-shell{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;}
.tool-card{background:linear-gradient(160deg,rgba(11,46,30,.85),rgba(3,21,13,.9));border:1px solid var(--line);border-radius:var(--radius-xl);padding:26px;box-shadow:var(--shadow-1);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--mint);margin-bottom:7px;letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,21,13,.82);border:1px solid var(--line-soft);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,175,163,.7);}
.field input:hover,.field select:hover{border-color:var(--line);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(245,158,11,.16);outline:none;background:rgba(3,21,13,.95);}
.field small{display:block;margin-top:6px;font-size:.76rem;color:var(--text-dim);}
.tool-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}
.tool-out{
  background:rgba(0,0,0,.38);border:1px dashed rgba(245,158,11,.32);
  border-radius:var(--radius-lg);padding:20px;min-height:100%;
}
.tool-out h3{font-size:.95rem;margin-bottom:14px;color:var(--gold-200);}
.out-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:.86rem;}
.out-row:last-of-type{border-bottom:0;}
.out-row span:first-child{color:var(--text-dim);}
.out-row span:last-child{color:var(--ivory);word-break:break-all;text-align:right;}
.out-hash{font-size:.82rem;color:var(--gold-200);}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:800;padding:6px 12px;border-radius:999px;letter-spacing:.03em;}
.badge-wait{background:rgba(148,175,163,.12);color:var(--text-dim);border:1px solid var(--line-soft);}
.badge-ok{background:rgba(16,185,129,.14);color:#6EE7B7;border:1px solid rgba(16,185,129,.4);}
.badge-fail{background:rgba(220,38,38,.16);color:#FCA5A5;border:1px solid rgba(220,38,38,.45);}
.out-msg{margin-top:14px;font-size:.86rem;color:var(--text-dim);line-height:1.6;}

/* ===== STEPS ===== */
.steps{display:grid;gap:18px;}
.step{display:grid;grid-template-columns:66px 1fr;gap:20px;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:22px;transition:border-color .25s ease,transform .25s ease;}
.step:hover{border-color:var(--line);transform:translateX(4px);}
.step-no{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:1.15rem;color:#20160A;background:linear-gradient(140deg,#FCD34D,#D97706);box-shadow:var(--shadow-gold);}
.step h3{font-size:1rem;margin-bottom:6px;}
.step p{color:var(--text-dim);font-size:.92rem;margin:0;}

/* ===== TABLE ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius-lg);background:rgba(3,21,13,.55);}
table.cmp{width:100%;border-collapse:collapse;min-width:660px;}
table.cmp th,table.cmp td{padding:14px 16px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line-soft);}
table.cmp thead th{background:rgba(11,46,30,.85);color:var(--gold-200);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;font-weight:800;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover{background:rgba(245,158,11,.05);}
table.cmp td:last-child{font-weight:700;}
.txt-ok{color:#6EE7B7;}
.txt-warn{color:#FCD34D;}
.txt-fail{color:#FCA5A5;}

/* ===== FORMULA LIST ===== */
.formula-list{display:grid;gap:14px;margin-top:8px;}
.formula-item{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:16px 18px;border-radius:var(--radius-md);background:rgba(245,158,11,.05);border:1px solid var(--line);transition:background .2s ease;}
.formula-item:hover{background:rgba(245,158,11,.10);}
.formula-no{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:var(--gold-300);background:rgba(11,46,30,.9);border:1px solid var(--line);}
.formula-item h4{font-size:.96rem;margin-bottom:5px;}
.formula-item p{font-size:.88rem;color:var(--text-dim);margin:0;}

/* ===== SCENARIOS ===== */
.scen{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.scen:hover{transform:translateY(-5px);box-shadow:var(--shadow-1);border-color:var(--line);}
.scen-img{height:168px;overflow:hidden;}
.scen-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scen:hover .scen-img img{transform:scale(1.06);}
.scen-body{padding:22px;}
.scen-body h3{font-size:1rem;margin-bottom:8px;}
.scen-body p{font-size:.9rem;color:var(--text-dim);margin:0;}
.tag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid var(--line);padding:5px 11px;border-radius:999px;margin-bottom:12px;}

/* ===== CATEGORY MATRIX ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{display:block;padding:26px 24px;border-radius:var(--radius-lg);background:linear-gradient(155deg,rgba(11,46,30,.92),rgba(3,21,13,.9));border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.cat-card:hover{transform:translateY(-6px);border-color:var(--gold-400);box-shadow:var(--shadow-gold);color:inherit;}
.cat-card i{font-size:20px;color:var(--gold-400);margin-bottom:14px;display:block;}
.cat-card h3{font-size:1.02rem;margin-bottom:8px;color:#FFFFFF;}
.cat-card p{font-size:.88rem;color:var(--text-dim);margin:0 0 14px;}
.cat-card span{font-size:.82rem;font-weight:700;color:var(--gold-300);}

/* ===== NEWS LIST ===== */
.news-grid{margin-top:6px;}
.news-cell{margin-bottom:22px;}
.news-card{display:flex;flex-direction:column;height:100%;background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.news-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--shadow-1);color:inherit;}
.news-thumb{height:158px;overflow:hidden;background:rgba(3,21,13,.6);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.news-cat{font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid var(--line);padding:4px 10px;border-radius:999px;}
.news-date{font-size:.76rem;color:var(--text-dim);}
.news-title{font-size:.98rem;line-height:1.45;margin-bottom:8px;color:#FFFFFF;}
.news-ex{font-size:.86rem;color:var(--text-dim);margin:0 0 14px;line-height:1.6;}
.news-more{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--gold-300);display:inline-flex;align-items:center;gap:7px;}
.news-empty{padding:26px;border:1px dashed var(--line);border-radius:var(--radius-lg);color:var(--text-dim);text-align:center;}
.list-more{margin-top:14px;display:flex;justify-content:flex-start;}

/* ===== TRUST ===== */
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.trust-item{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.03);border:1px solid var(--line-soft);transition:border-color .25s ease;}
.trust-item:hover{border-color:var(--line);}
.trust-item i{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-400);font-size:17px;}
.trust-item h3{font-size:.96rem;margin-bottom:6px;}
.trust-item p{font-size:.88rem;color:var(--text-dim);margin:0;}

/* ===== QUICK ANSWERS ===== */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.qa-item{padding:22px;border-radius:var(--radius-lg);border-left:3px solid var(--gold-500);background:rgba(255,255,255,.028);}
.qa-item h3{font-size:.96rem;margin-bottom:8px;color:var(--gold-200);}
.qa-item p{font-size:.88rem;color:var(--text-dim);margin:0;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:940px;}
.faq-list details{background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--radius-md);padding:0;transition:border-color .25s ease,background .25s ease;}
.faq-list details[open]{border-color:var(--line);background:rgba(245,158,11,.05);}
.faq-list summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:.96rem;color:var(--ivory);display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;color:var(--gold-400);transition:transform .25s ease;}
.faq-list details[open] summary::after{content:"\f068";transform:rotate(180deg);}
.faq-list .faq-body{padding:0 22px 20px;color:var(--text-dim);font-size:.92rem;line-height:1.7;}

/* ===== CTA / FORM ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--line);background:linear-gradient(150deg,rgba(11,46,30,.96),rgba(3,21,13,.96));padding:42px;box-shadow:var(--shadow-1);}
.cta-band::after{content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.22),transparent 68%);pointer-events:none;}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.cta-inner h2{font-size:clamp(1.3rem,2.3vw,1.8rem);}
.cta-inner p{color:var(--text-dim);font-size:.95rem;}
.cta-points{display:grid;gap:10px;margin-top:18px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:#CFE3D9;}
.cta-points i{color:var(--gold-400);margin-top:4px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:.78rem;color:var(--text-dim);margin-top:12px;}
.form-ok{margin-top:14px;font-size:.88rem;color:#6EE7B7;display:none;}
.form-ok.show{display:block;}

/* ===== FOOTER ===== */
.site-footer{background:var(--jade-950);border-top:1px solid var(--line);padding:56px 0 24px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-brand strong{font-size:.98rem;color:#FFFFFF;}
.foot-col h4{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-300);margin-bottom:14px;}
.foot-col p{font-size:.87rem;color:var(--text-dim);line-height:1.7;margin:0;}
.foot-links li{margin-bottom:9px;}
.foot-links a{font-size:.87rem;color:#B9CFC3;}
.foot-links a:hover{color:var(--gold-300);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badge{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:600;color:#CFE3D9;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:999px;padding:7px 13px;}
.pay-badge i{color:var(--gold-400);}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.foot-bottom p{font-size:.8rem;color:var(--text-dim);margin:0;}
.tg{display:flex;flex-wrap:wrap;gap:8px;}
.tg span{font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--gold-200);background:rgba(245,158,11,.10);border:1px solid var(--line);border-radius:999px;padding:5px 12px;}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split-rule{border-left:0;padding-left:0;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-4,.cat-grid,.qa-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#FDFBF4;border-bottom:1px solid rgba(245,158,11,.32);
    box-shadow:0 22px 38px rgba(5,31,20,.18);
    padding:10px 20px 18px;display:none;margin-left:0;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:.95rem;}
}
@media (max-width:820px){
  .tool-shell{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .trust-grid{grid-template-columns:1fr;}
  .section{padding:58px 0;}
  .cta-band{padding:30px;}
}
@media (max-width:640px){
  .brand-text small{display:none;}
  .brand-text strong{font-size:.82rem;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .nav-actions .btn-ghost{padding:7px 10px;font-size:.75rem;}
  .nav-actions .btn-gold-sm{padding:8px 12px;font-size:.75rem;}
  .nav-toggle{width:40px;height:40px;font-size:16px;margin-left:0;}
  .grid-2,.grid-3,.grid-4,.cat-grid,.qa-grid,.form-row{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:14px;}
  .step-no{width:46px;height:46px;font-size:1rem;border-radius:13px;}
  .formula-item{grid-template-columns:1fr;gap:12px;}
  .hero-wrap{padding:40px 0 42px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .fab-support{left:12px;bottom:84px;width:52px;height:52px;font-size:17px;}
  .out-row{flex-direction:column;gap:4px;}
  .out-row span:last-child{text-align:left;}
}

/* roulang page: category3 */
:root{
  --jade-950:#03150D;
  --jade-900:#051F14;
  --jade-850:#082619;
  --jade-800:#0B2E1E;
  --jade-700:#123F2B;
  --jade-600:#1A5B3D;
  --gold-600:#D97706;
  --gold-500:#F59E0B;
  --gold-400:#FBBF24;
  --gold-300:#FCD34D;
  --gold-200:#FDE68A;
  --red-600:#DC2626;
  --ivory:#F8FAFC;
  --mint:#D1FAE5;
  --olive:#A3A375;
  --text-dim:#94AFA3;
  --line:rgba(245,158,11,.20);
  --line-soft:rgba(255,255,255,.075);
  --card-bg:linear-gradient(162deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  --radius-xl:26px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 16px 44px rgba(0,0,0,.44);
  --shadow-gold:0 12px 34px rgba(245,158,11,.24);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--ivory);
  background:var(--jade-900);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--gold-300);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--gold-200);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
strong{font-weight:800;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--gold-400);outline-offset:2px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;text-align:center;cursor:pointer;border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-lg{padding:14px 26px;font-size:.94rem;}
.btn-gold{color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 22px rgba(217,119,6,.32);}
.btn-gold:hover{color:#20160A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.42);}
.btn-gold:active{transform:translateY(1px);}
.btn-outline{color:var(--gold-200);border:1.5px solid rgba(245,158,11,.55);background:rgba(245,158,11,.07);}
.btn-outline:hover{color:var(--gold-200);background:rgba(245,158,11,.16);border-color:var(--gold-400);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{font-size:.88rem;font-weight:700;color:#0B2E1E;padding:9px 16px;border-radius:10px;border:1.5px solid rgba(11,46,30,.30);}
.btn-ghost:hover{background:rgba(11,46,30,.06);border-color:rgba(11,46,30,.55);color:#0B2E1E;}
.btn-gold-sm{font-size:.88rem;font-weight:800;color:#20160A;padding:10px 20px;border-radius:10px;background:linear-gradient(120deg,#FCD34D,#F59E0B 55%,#D97706);box-shadow:0 8px 20px rgba(217,119,6,.30);}
.btn-gold-sm:hover{color:#20160A;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,119,6,.40);}
.btn-gold-sm:active{transform:translateY(1px);}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,244,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.32);
  box-shadow:0 8px 26px rgba(5,31,20,.14);
}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;min-height:74px;padding:9px 0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0;}
.brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-400);font-size:19px;border:1px solid rgba(245,158,11,.45);box-shadow:0 6px 18px rgba(5,31,20,.24);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-text strong{font-size:.98rem;font-weight:800;color:#0B2E1E;letter-spacing:-.01em;}
.brand-text small{font-size:.70rem;color:#7C6A38;font-weight:700;letter-spacing:.03em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav a{font-size:.89rem;font-weight:600;color:#123F2B;padding:9px 13px;border-radius:10px;white-space:nowrap;}
.main-nav a:hover{background:rgba(11,46,30,.07);color:#0B2E1E;}
.main-nav a.active{background:linear-gradient(140deg,#0B2E1E,#17472F);color:var(--gold-300);box-shadow:0 6px 16px rgba(5,31,20,.22);}
.nav-actions{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:11px;border:1.5px solid rgba(11,46,30,.28);color:#0B2E1E;font-size:18px;align-items:center;justify-content:center;}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;background:var(--jade-950);border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/d2ee9094702a0dfe.jpg');background-size:cover;background-position:center 42%;opacity:.28;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(96deg,rgba(3,21,13,.97) 0%,rgba(5,31,20,.92) 46%,rgba(5,31,20,.68) 76%,rgba(5,31,20,.38) 100%);}
.hero-glow{position:absolute;width:560px;height:560px;right:-160px;top:-210px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);pointer-events:none;}
.hero-inner{position:relative;z-index:3;padding:58px 0 62px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:44px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:9px;font-size:.72rem;font-weight:800;letter-spacing:.10em;text-transform:uppercase;color:var(--gold-300);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.36);padding:7px 15px;border-radius:999px;}
.hero h1{font-size:clamp(1.62rem,3.3vw,2.55rem);color:var(--ivory);margin:18px 0 16px;}
.hero h1 span{color:var(--gold-300);}
.hero-lead{font-size:1rem;color:var(--mint);max-width:600px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat{flex:1 1 120px;min-width:118px;padding:14px 16px;border-radius:var(--radius-md);background:rgba(255,255,255,.045);border:1px solid var(--line-soft);}
.stat b{display:block;font-size:1.28rem;color:var(--gold-300);font-weight:800;line-height:1.2;}
.stat span{font-size:.74rem;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase;font-weight:600;}
.hero-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--jade-800);}
.hero-media img{width:100%;height:330px;object-fit:cover;opacity:.82;}
.hero-media-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,21,13,.18),rgba(3,21,13,.86));}
.hero-play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--ivory);}
.hero-play:hover{color:var(--gold-200);}
.hero-play i{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;font-size:20px;color:#20160A;background:linear-gradient(120deg,#FCD34D,#F59E0B 60%,#D97706);box-shadow:0 12px 30px rgba(217,119,6,.42);transition:transform .25s ease;}
.hero-play:hover i{transform:scale(1.08);}
.hero-play span{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;}
.hero-media-note{position:absolute;left:16px;right:16px;bottom:14px;display:flex;align-items:center;gap:8px;font-size:.76rem;color:var(--mint);}
.hero-media-note i{color:var(--gold-400);}

/* ===== SECTIONS ===== */
.section{padding:66px 0;position:relative;background:var(--jade-900);}
.section--alt{background:var(--jade-850);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section--deep{background:linear-gradient(180deg,var(--jade-950),var(--jade-900));}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-400);margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold-500),transparent);display:inline-block;}
.section-title{font-size:clamp(1.32rem,2.4vw,1.95rem);color:var(--ivory);margin-bottom:12px;}
.section-sub{color:var(--text-dim);font-size:.95rem;margin:0;}

/* ===== FORMULA GRID ===== */
.formula-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.formula-card{background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.formula-card:hover{transform:translateY(-4px);border-color:rgba(245,158,11,.45);box-shadow:var(--shadow-gold);}
.formula-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.formula-index{font-size:1.5rem;font-weight:800;color:var(--gold-400);opacity:.85;letter-spacing:-.02em;}
.formula-tag{font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-200);background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.34);padding:4px 10px;border-radius:999px;}
.formula-name{font-size:1.06rem;color:var(--ivory);margin-bottom:10px;}
.formula-desc{font-size:.88rem;color:var(--mint);flex:1;}
.formula-rows{margin:16px 0 16px;border-top:1px dashed var(--line-soft);padding-top:14px;display:grid;gap:8px;}
.formula-rows li{display:flex;justify-content:space-between;gap:12px;font-size:.82rem;}
.formula-rows li span:first-child{color:var(--text-dim);}
.formula-rows li span:last-child{color:var(--ivory);font-weight:700;text-align:right;}
.meter{height:7px;border-radius:999px;background:rgba(255,255,255,.09);overflow:hidden;}
.meter b{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#F59E0B,#FCD34D);}
.meter-label{display:flex;justify-content:space-between;font-size:.74rem;color:var(--text-dim);margin-top:8px;font-weight:600;}

/* ===== SCENE CARDS ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;padding:22px;border-radius:var(--radius-lg);background:rgba(255,255,255,.035);border:1px solid var(--line-soft);transition:border-color .25s ease,background .25s ease;}
.scene-card:hover{border-color:rgba(245,158,11,.38);background:rgba(245,158,11,.05);}
.scene-ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:19px;color:var(--gold-300);background:linear-gradient(140deg,rgba(245,158,11,.20),rgba(245,158,11,.04));border:1px solid rgba(245,158,11,.32);}
.scene-card h3{font-size:1rem;color:var(--ivory);margin-bottom:8px;}
.scene-card p{font-size:.87rem;color:var(--mint);margin:0;}

/* ===== STEPS ===== */
.steps{display:grid;gap:0;border-left:2px solid rgba(245,158,11,.28);margin-left:10px;}
.step{position:relative;padding:0 0 30px 30px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--jade-900);border:2px solid var(--gold-500);box-shadow:0 0 0 4px rgba(245,158,11,.10);}
.step-num{font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-400);}
.step h3{font-size:1.02rem;color:var(--ivory);margin:6px 0 8px;}
.step p{font-size:.88rem;color:var(--text-dim);margin:0;max-width:680px;}

/* ===== COMPARE TABLE ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(255,255,255,.025);}
table.compare{width:100%;min-width:680px;border-collapse:collapse;}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:.88rem;border-bottom:1px solid var(--line-soft);}
table.compare thead th{background:rgba(245,158,11,.10);color:var(--gold-200);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;font-weight:800;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:rgba(255,255,255,.035);}
table.compare td:first-child{color:var(--mint);font-weight:600;}
table.compare td:nth-child(2){color:var(--ivory);font-weight:700;}

/* ===== PROOF ===== */
.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.proof-card{padding:24px 20px;border-radius:var(--radius-lg);background:var(--card-bg);border:1px solid var(--line-soft);text-align:left;}
.proof-card i{font-size:20px;color:var(--gold-400);margin-bottom:12px;display:block;}
.proof-card b{display:block;font-size:1.7rem;color:var(--gold-300);font-weight:800;line-height:1.15;}
.proof-card span{display:block;font-size:.82rem;color:var(--text-dim);margin-top:6px;}

/* ===== CHANNELS ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{position:relative;padding:26px 22px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(162deg,rgba(245,158,11,.09),rgba(255,255,255,.015));transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(245,158,11,.5);box-shadow:var(--shadow-gold);}
.channel-card i.ch-ico{font-size:20px;color:var(--gold-300);margin-bottom:14px;display:block;}
.channel-card h3{font-size:1.04rem;margin-bottom:9px;}
.channel-card h3 a{color:var(--ivory);}
.channel-card h3 a:hover{color:var(--gold-200);}
.channel-card p{font-size:.87rem;color:var(--mint);margin-bottom:16px;}
.channel-meta{display:flex;flex-wrap:wrap;gap:8px;}
.chip{font-size:.7rem;font-weight:700;letter-spacing:.05em;color:var(--gold-200);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.3);padding:4px 10px;border-radius:999px;}

/* ===== NEWS ===== */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{padding:22px;border-radius:var(--radius-lg);border:1px solid var(--line-soft);background:rgba(255,255,255,.03);transition:transform .25s ease,border-color .25s ease,background .25s ease;}
.news-card:hover{transform:translateY(-3px);border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.05);}
.news-card img{width:100%;height:150px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:14px;}
.news-card h3{font-size:1rem;margin-bottom:10px;}
.news-card h3 a{color:var(--ivory);}
.news-card h3 a:hover{color:var(--gold-200);}
.news-card p{font-size:.86rem;color:var(--text-dim);margin-bottom:14px;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--olive);font-weight:600;letter-spacing:.03em;text-transform:uppercase;}
.news-empty{padding:26px;border-radius:var(--radius-lg);border:1px dashed var(--line);color:var(--text-dim);font-size:.9rem;background:rgba(255,255,255,.02);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-md);background:rgba(255,255,255,.03);overflow:hidden;transition:border-color .25s ease,background .25s ease;}
.faq-item[open]{border-color:rgba(245,158,11,.42);background:rgba(245,158,11,.055);}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 20px;font-size:.95rem;font-weight:700;color:var(--ivory);display:flex;align-items:center;justify-content:space-between;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--gold-400);transition:transform .25s ease;}
.faq-item[open] summary::after{content:"\f068";}
.faq-body{padding:0 20px 18px;font-size:.88rem;color:var(--mint);}

/* ===== CTA FORM ===== */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--line);background:linear-gradient(150deg,rgba(245,158,11,.13),rgba(255,255,255,.02) 55%),var(--jade-850);padding:42px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;}
.cta-panel h2{font-size:clamp(1.3rem,2.3vw,1.85rem);margin-bottom:12px;}
.cta-panel p{color:var(--mint);font-size:.92rem;margin-bottom:18px;}
.cta-list{display:grid;gap:9px;margin-bottom:6px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--mint);}
.cta-list li i{color:var(--gold-400);margin-top:4px;font-size:.8rem;}
.cta-form{background:rgba(3,21,13,.62);border:1px solid var(--line-soft);border-radius:var(--radius-lg);padding:24px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--gold-200);margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:var(--ivory);font-family:inherit;font-size:.9rem;transition:border-color .2s ease,background .2s ease;}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,175,163,.75);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold-500);background:rgba(245,158,11,.08);outline:none;}
.field select option{background:#0B2E1E;color:var(--ivory);}
.form-note{font-size:.76rem;color:var(--text-dim);margin:12px 0 0;}
.form-ok{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-sm);font-size:.85rem;color:var(--gold-200);background:rgba(245,158,11,.14);border:1px solid rgba(245,158,11,.4);}
.form-ok.show{display:block;}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:150;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font-size:21px;color:var(--gold-300);background:radial-gradient(circle at 32% 26%,#123F2B,#051F14 70%);border:2px solid var(--gold-500);box-shadow:0 8px 26px rgba(245,158,11,.36);transition:transform .25s ease,opacity .25s ease;opacity:.88;}
.fab:hover{transform:scale(1.1) rotate(8deg);opacity:1;color:var(--gold-200);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab-dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:var(--red-600);box-shadow:0 0 0 2px rgba(248,250,252,.85);}

/* ===== FOOTER ===== */
.site-footer{background:var(--jade-950);border-top:1px solid var(--line);padding:56px 0 26px;color:var(--mint);}
.foot-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.15fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-brand strong{font-size:1rem;color:var(--ivory);}
.foot-col p{font-size:.86rem;color:var(--text-dim);}
.foot-col h4{font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;color:var(--gold-300);margin-bottom:16px;}
.foot-links{display:grid;gap:10px;}
.foot-links a{font-size:.87rem;color:var(--text-dim);}
.foot-links a:hover{color:var(--gold-200);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badge{display:inline-flex;align-items:center;gap:7px;font-size:.75rem;font-weight:700;color:var(--mint);padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line-soft);}
.pay-badge i{color:var(--gold-400);font-size:.72rem;}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;}
.foot-bottom p{font-size:.79rem;color:var(--olive);margin:0;}
.tg{display:flex;flex-wrap:wrap;gap:8px;}
.tg span{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-200);padding:5px 11px;border-radius:999px;background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.3);}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{position:absolute;top:calc(100% + 1px);left:0;right:0;flex-direction:column;align-items:stretch;background:#FDFBF4;border-bottom:1px solid rgba(245,158,11,.32);padding:10px 20px 16px;gap:2px;display:none;box-shadow:0 20px 36px rgba(5,31,20,.18);margin-left:0;}
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:.95rem;}
  .nav-actions{margin-left:0;gap:7px;}
  .nav-inner{gap:10px;min-height:66px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:16px;}
  .brand-text strong{font-size:.84rem;}
  .brand-text small{display:none;}
  .nav-actions .btn-ghost{padding:8px 11px;font-size:.76rem;}
  .nav-actions .btn-gold-sm{padding:9px 13px;font-size:.76rem;}
  .nav-toggle{width:40px;height:40px;font-size:16px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{height:280px;}
  .formula-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px;}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .hero-inner{padding:44px 0 50px;}
  .scene-grid{grid-template-columns:1fr;}
  .formula-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .hero-media img{height:240px;}
}
@media (max-width:640px){
  .nav-actions .btn-ghost{display:none;}
  .hero-stats{gap:10px;}
  .stat{flex:1 1 calc(50% - 10px);min-width:0;}
  .proof-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .cta-panel{padding:24px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:420px){
  .container{padding-left:15px;padding-right:15px;}
  .hero h1{font-size:1.42rem;}
  .brand-text strong{font-size:.78rem;}
  .fab{left:12px;bottom:80px;width:52px;height:52px;font-size:19px;}
}