/* roulang page: index */
:root{
  --ink:#16211D;
  --brand-900:#0F2E28;
  --brand-700:#17564A;
  --brand-500:#1F7A64;
  --accent:#C4794A;
  --lime:#D3F26A;
  --bg:#F7F3EA;
  --surface:#FFFFFF;
  --soft:#EEF2EA;
  --line:#E4DED2;
  --muted:rgba(22,33,29,.66);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,29,.06), 0 14px 30px -20px rgba(22,33,29,.28);
  --shadow-hover:0 2px 4px rgba(22,33,29,.08), 0 22px 40px -22px rgba(22,33,29,.34);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{padding:88px 0;position:relative;}
.section--surface{background:var(--surface);}
.section--soft{background:var(--soft);}
.section--dark{background:var(--brand-900);color:#F3F1E7;}
.section--divide{border-top:1px solid var(--line);}
.section--dark.section--divide{border-top:1px solid rgba(255,255,255,.12);}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.section--dark .eyebrow{color:var(--lime);}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.015em;}
.section-desc{color:var(--muted);font-size:15.5px;max-width:760px;margin-top:14px;}
.section--dark .section-desc{color:rgba(243,241,231,.72);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head .link-more{font-size:14px;font-weight:700;border-bottom:2px solid var(--lime);padding-bottom:2px;color:var(--brand-700);}
.section-head .link-more:hover{border-color:var(--brand-700);}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,234,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;}
.site-header.is-stuck{background:rgba(247,243,234,.95);border-bottom:1px solid var(--line);box-shadow:0 8px 24px -22px rgba(22,33,29,.5);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;}
.logo:hover{color:var(--ink);}
.logo-mark{width:22px;height:22px;border-radius:7px;background:var(--brand-700);position:relative;flex:0 0 22px;}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--lime);}
.logo-text{font-size:17px;letter-spacing:-.01em;line-height:1.1;}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:15px;color:var(--ink);font-weight:600;position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand-700);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-700);font-weight:800;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;padding:28px 24px 40px;display:none;flex-direction:column;gap:4px;overflow-y:auto;border-top:1px solid var(--line);}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{display:block;padding:14px 0;font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-drawer .btn{margin-top:24px;width:100%;justify-content:center;padding:16px;font-size:17px;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:700;padding:12px 22px;border-radius:var(--radius-sm);transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;border:1.5px solid transparent;white-space:nowrap;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-700);color:#F7F3EA;}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#ddf77f;color:var(--ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-700);background:rgba(255,255,255,.6);color:var(--brand-700);}
.btn-ghost-light{background:transparent;border-color:rgba(247,243,234,.4);color:#F7F3EA;}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ===== Hero ===== */
.hero{
  padding:72px 0 76px;
  background:
    linear-gradient(105deg, rgba(247,243,234,.97) 0%, rgba(247,243,234,.92) 46%, rgba(247,243,234,.72) 100%),
    url('/assets/images/59faceb9279c6fb3.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-title{font-size:clamp(30px,4vw,48px);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
.hero-title em{font-style:normal;color:var(--brand-700);}
.hero-sub{margin-top:18px;font-size:19px;font-weight:700;color:var(--brand-700);}
.hero-desc{margin-top:16px;color:var(--muted);font-size:15.5px;max-width:620px;}
.status-bar{display:inline-flex;align-items:center;gap:10px;margin-top:24px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.85);border:1px solid var(--line);font-size:13px;font-weight:700;color:var(--brand-700);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(31,122,100,.14);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.86);}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-card{background:var(--brand-900);color:#F3F1E7;border-radius:28px;padding:34px 30px;box-shadow:0 30px 60px -40px rgba(15,46,40,.9);transform:rotate(-1.2deg);border:1px solid rgba(211,242,106,.18);}
.ring-wrap{position:relative;width:172px;height:172px;margin:0 auto 22px;}
.ring{width:172px;height:172px;transform:rotate(-90deg);}
.ring-bg{fill:none;stroke:rgba(247,243,234,.14);stroke-width:9;}
.ring-fg{fill:none;stroke:var(--lime);stroke-width:9;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:26.1;}
.ring-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;}
.ring-label strong{font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;}
.ring-label span{font-size:12px;color:rgba(243,241,231,.66);margin-top:8px;letter-spacing:.06em;}
.tier-list{display:grid;gap:10px;margin-top:22px;}
.tier{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:14px;border:1px solid rgba(247,243,234,.16);font-size:13.5px;color:rgba(243,241,231,.9);}
.tier strong{font-size:13.5px;color:#F3F1E7;}
.tier .tier-tag{font-size:11px;font-weight:800;padding:2px 9px;border-radius:999px;background:rgba(211,242,106,.16);color:var(--lime);}
.hero-card .btn{width:100%;margin-top:22px;}
.hero-card-note{margin-top:12px;font-size:12px;color:rgba(243,241,231,.55);text-align:center;}

/* ===== Stats bar ===== */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.stat{padding:26px 24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--muted);}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;}

/* ===== Countdown ===== */
.countdown-band{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 36px;box-shadow:var(--shadow);}
.countdown-num{display:flex;gap:10px;align-items:center;}
.cd-cell{min-width:76px;text-align:center;background:var(--brand-900);color:#F3F1E7;border-radius:14px;padding:10px 8px;}
.cd-cell strong{display:block;font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--lime);}
.cd-cell span{font-size:11px;letter-spacing:.08em;color:rgba(243,241,231,.62);}

/* ===== Feature grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(0,auto);gap:22px;}
.feature-main{grid-column:span 2;grid-row:span 2;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;}
.feature-main:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);box-shadow:var(--shadow-hover);}
.feature-main h3{font-size:22px;margin-bottom:12px;}
.feature-main p{color:var(--muted);font-size:15px;}
.feature-list{margin-top:22px;display:grid;gap:12px;}
.feature-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink);}
.feature-list li::before{content:"";flex:0 0 8px;height:8px;margin-top:10px;border-radius:50%;background:var(--accent);}
.feature-main figure{margin:24px 0 0;border-radius:var(--radius);overflow:hidden;}
.feature-main figure img{width:100%;height:210px;object-fit:cover;transition:transform .35s ease;}
.feature-main:hover figure img{transform:scale(1.03);}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);box-shadow:var(--shadow-hover);}
.feature-card .icon{width:42px;height:42px;border-radius:12px;background:rgba(23,86,74,.1);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;color:var(--brand-700);}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--muted);}

/* ===== Perks ===== */
.perk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.perk-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.perk-card:hover{transform:translateY(-2px);border-color:rgba(196,121,74,.4);box-shadow:var(--shadow);}
.perk-card .num{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent);}
.perk-card h3{font-size:16.5px;margin:10px 0 8px;}
.perk-card p{font-size:14px;color:var(--muted);}

/* ===== Scenes ===== */
.scene-wrap{position:relative;}
.scene-track{display:flex;gap:20px;overflow-x:auto;padding:4px 0 20px;scrollbar-width:none;}
.scene-track::-webkit-scrollbar{display:none;}
.scene-card{flex:0 0 268px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene-card img{width:100%;height:158px;object-fit:cover;transition:transform .35s ease;}
.scene-card:hover img{transform:scale(1.04);}
.scene-body{padding:18px 20px 22px;}
.scene-body h3{font-size:16.5px;margin-bottom:6px;}
.scene-body p{font-size:13.5px;color:var(--muted);}
.scene-fade{position:absolute;top:0;right:0;bottom:20px;width:80px;background:linear-gradient(90deg,rgba(238,242,234,0),var(--soft));pointer-events:none;}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
.step-item{display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius);border:1px solid transparent;background:transparent;cursor:pointer;transition:background .2s ease,border-color .2s ease;}
.step-item:hover{background:rgba(255,255,255,.7);}
.step-item.is-active{background:var(--surface);border-color:var(--line);box-shadow:var(--shadow);}
.step-no{flex:0 0 40px;height:40px;border-radius:12px;background:rgba(23,86,74,.1);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;letter-spacing:.04em;}
.step-item.is-active .step-no{background:var(--brand-700);color:#F7F3EA;}
.step-item h3{font-size:17px;margin-bottom:6px;}
.step-item p{font-size:14px;color:var(--muted);}
.step-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--brand-900);box-shadow:0 30px 60px -44px rgba(15,46,40,.9);}
.step-media img{width:100%;height:420px;object-fit:cover;opacity:1;transition:opacity .3s ease;}
.step-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 26px 22px;background:linear-gradient(180deg,rgba(15,46,40,0),rgba(15,46,40,.88));color:#F3F1E7;font-size:14px;}

/* ===== Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.case-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.case-card:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);box-shadow:var(--shadow-hover);}
.case-card img{width:100%;height:236px;object-fit:cover;transition:transform .35s ease;}
.case-card:hover img{transform:scale(1.03);}
.case-body{padding:26px 28px 30px;}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;}
.case-body h3{font-size:19px;margin-bottom:10px;}
.case-body p{font-size:14.5px;color:var(--muted);}

/* ===== Pricing ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px 32px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.price-card:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);box-shadow:var(--shadow-hover);}
.price-card.is-featured{border:2px solid var(--brand-700);transform:translateY(-8px);position:relative;}
.price-card.is-featured:hover{transform:translateY(-10px);}
.price-badge{position:absolute;top:-13px;left:28px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;padding:4px 12px;border-radius:999px;}
.price-card h3{font-size:20px;margin-bottom:6px;}
.price-card .price-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.price-list{display:grid;gap:11px;margin-bottom:26px;}
.price-list li{font-size:14px;color:var(--ink);display:flex;gap:10px;}
.price-list li::before{content:"✓";flex:0 0 18px;height:18px;border-radius:50%;background:rgba(23,86,74,.12);color:var(--brand-700);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:6px;line-height:1;}
.price-card .btn{width:100%;}
.price-note{margin-top:26px;font-size:13px;color:var(--muted);text-align:center;}

/* ===== Badge / reward ===== */
.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.badge-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 0 24px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
.badge-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.badge-card img{width:100%;height:150px;object-fit:cover;}
.badge-body{padding:20px 24px 0;}
.badge-body h3{font-size:16.5px;margin-bottom:8px;}
.badge-body p{font-size:13.5px;color:var(--muted);}

/* ===== Reviews ===== */
.review-grid{columns:3;column-gap:22px;}
.review-card{break-inside:avoid;margin-bottom:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease;}
.review-card:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-700);color:#F7F3EA;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 40px;}
.review-name{font-size:14.5px;font-weight:700;}
.review-meta{font-size:12px;color:var(--muted);}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-top:2px;}
.review-card p{font-size:14px;color:var(--muted);}

/* ===== Proof ===== */
.proof-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center;}
.proof-num{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.03em;color:var(--lime);font-variant-numeric:tabular-nums;}
.proof-num span{font-size:24px;color:rgba(243,241,231,.72);margin-left:4px;}
.proof-list{display:grid;gap:18px;}
.proof-item{display:flex;gap:16px;padding:18px 20px;border-radius:var(--radius);border:1px solid rgba(247,243,234,.16);}
.proof-item strong{font-size:15px;color:#F3F1E7;display:block;margin-bottom:4px;}
.proof-item span{font-size:13.5px;color:rgba(243,241,231,.66);}
.proof-badge{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:6px 14px;border-radius:999px;border:1px solid rgba(211,242,106,.45);color:var(--lime);font-size:12.5px;font-weight:700;}

/* ===== Cities ===== */
.city-groups{display:grid;gap:22px;}
.city-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;}
.city-group h3{font-size:15px;letter-spacing:.04em;margin-bottom:14px;color:var(--brand-700);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{font-size:13px;padding:6px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--ink);transition:background .18s ease,color .18s ease,border-color .18s ease;}
.tag:hover{background:var(--brand-700);color:#F7F3EA;border-color:var(--brand-700);}

/* ===== Rules ===== */
.rules-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.rule{padding:28px 26px 28px 0;border-right:1px solid var(--line);}
.rule:last-child{border-right:0;padding-right:0;}
.rule-no{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--accent);margin-bottom:12px;}
.rule h3{font-size:16px;margin-bottom:8px;}
.rule p{font-size:13.5px;color:var(--muted);}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.news-card:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.32);box-shadow:var(--shadow-hover);color:var(--ink);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:184px;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-cat{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:800;padding:3px 11px;border-radius:999px;background:rgba(247,243,234,.94);color:var(--brand-700);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:12px;font-size:12.5px;color:rgba(22,33,29,.5);display:flex;gap:10px;align-items:center;}
.news-empty{grid-column:1/-1;padding:60px 24px;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:14.5px;}

/* ===== FAQ ===== */
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:rgba(23,86,74,.4);box-shadow:var(--shadow);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);}
.faq-q .arrow{flex:0 0 20px;height:20px;position:relative;transition:transform .24s ease;}
.faq-q .arrow::before,.faq-q .arrow::after{content:"";position:absolute;top:9px;left:2px;width:9px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .24s ease;}
.faq-q .arrow::before{transform:rotate(45deg);}
.faq-q .arrow::after{transform:rotate(-45deg);left:8px;}
.faq-item.is-open .faq-q .arrow::before{transform:rotate(-45deg);}
.faq-item.is-open .faq-q .arrow::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;border-left:3px solid transparent;}
.faq-item.is-open .faq-a{border-left-color:var(--brand-700);}
.faq-a p{padding:0 24px 22px 24px;font-size:15px;color:var(--muted);}

/* ===== CTA ===== */
.cta-band{background:var(--brand-900);color:#F3F1E7;border-radius:var(--radius-lg);padding:48px 48px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;border:1px solid rgba(211,242,106,.18);box-shadow:0 40px 70px -50px rgba(15,46,40,.9);}
.cta-band h2{font-size:30px;letter-spacing:-.015em;}
.cta-band p{color:rgba(243,241,231,.72);font-size:14.5px;margin-top:12px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.sub-form{display:grid;gap:12px;}
.sub-form label{font-size:13px;font-weight:700;color:rgba(243,241,231,.8);letter-spacing:.04em;}
.sub-row{display:flex;gap:10px;}
.sub-row input{flex:1;height:48px;border-radius:var(--radius-sm);border:1px solid rgba(247,243,234,.24);background:rgba(247,243,234,.08);color:#F7F3EA;padding:0 16px;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.sub-row input::placeholder{color:rgba(247,243,234,.45);}
.sub-row input:focus{outline:none;border-color:var(--brand-500);background:rgba(247,243,234,.14);box-shadow:0 0 0 3px rgba(31,122,100,.35);}
.sub-row .btn{height:48px;}
.sub-note{font-size:12px;color:rgba(243,241,231,.5);}
.sub-msg{font-size:12.5px;color:var(--lime);min-height:18px;}

/* ===== Footer ===== */
.site-footer{background:var(--brand-900);color:#F3F1E7;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#F3F1E7;font-size:18px;}
.footer-brand .logo-text small{color:rgba(243,241,231,.55);}
.footer-brand p{color:rgba(243,241,231,.62);font-size:13.5px;margin-top:16px;max-width:300px;}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:rgba(243,241,231,.55);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(243,241,231,.82);}
.footer-col a:hover{color:var(--lime);}
.qr-box{width:104px;height:104px;border-radius:14px;background:rgba(247,243,234,.08);border:1px solid rgba(247,243,234,.2);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;color:rgba(243,241,231,.7);padding:10px;line-height:1.6;}
.footer-bottom{border-top:1px solid rgba(247,243,234,.14);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(243,241,231,.5);}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions .btn-primary{display:none;}
  .menu-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card{transform:none;max-width:520px;}
  .stats-bar{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-main{grid-column:span 2;grid-row:auto;}
  .perk-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:1fr;gap:32px;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-2px);}
  .badge-grid{grid-template-columns:1fr 1fr;}
  .review-grid{columns:2;}
  .proof-grid{grid-template-columns:1fr;gap:32px;}
  .rules-grid{grid-template-columns:repeat(2,1fr);}
  .rule{padding:24px 24px 24px 0;}
  .rule:nth-child(2){border-right:0;padding-right:0;}
  .rule:nth-child(1),.rule:nth-child(2){border-bottom:1px solid var(--line);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .countdown-band{grid-template-columns:1fr;gap:24px;}
  section{padding:64px 0;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .hero{padding:44px 0 52px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16.5px;}
  .hero-card{padding:26px 22px;border-radius:22px;}
  .ring-wrap,.ring{width:148px;height:148px;}
  .stats-bar{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:20px;}
  .stat:last-child{border-bottom:0;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{grid-column:span 1;padding:26px;}
  .perk-grid{grid-template-columns:1fr;}
  .badge-grid{grid-template-columns:1fr;}
  .review-grid{columns:1;}
  .rules-grid{grid-template-columns:1fr;}
  .rule{border-right:0;padding:22px 0;}
  .rule:nth-child(1),.rule:nth-child(2){border-bottom:1px solid var(--line);}
  .news-grid{grid-template-columns:1fr;}
  .section-title{font-size:24px;}
  .proof-num{font-size:48px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:24px;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .step-media img{height:280px;}
  .cd-cell{min-width:64px;}
  .cd-cell strong{font-size:22px;}
  .scene-card{flex:0 0 240px;}
  .scene-fade{display:none;}
  section{padding:52px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
}

/* roulang page: article */
:root{
  --ink:#16211D;
  --brand-900:#0F2E28;
  --brand-700:#17564A;
  --brand-500:#1F7A64;
  --accent:#C4794A;
  --lime:#D3F26A;
  --bg:#F7F3EA;
  --surface:#FFFFFF;
  --soft:#EEF2EA;
  --line:#E4DED2;
  --muted:rgba(22,33,29,.66);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,29,.06), 0 14px 30px -20px rgba(22,33,29,.28);
  --shadow-hover:0 2px 4px rgba(22,33,29,.08), 0 22px 40px -22px rgba(22,33,29,.34);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
section{padding:88px 0;position:relative;}
.section--surface{background:var(--surface);}
.section--soft{background:var(--soft);}
.section--dark{background:var(--brand-900);color:#F3F1E7;}
.section--divide{border-top:1px solid var(--line);}
.section--dark.section--divide{border-top:1px solid rgba(255,255,255,.12);}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.section--dark .eyebrow{color:var(--lime);}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.015em;line-height:1.35;}
.section-desc{color:var(--muted);font-size:15.5px;max-width:760px;margin-top:14px;}
.section--dark .section-desc{color:rgba(243,241,231,.72);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head .link-more{font-size:14px;font-weight:700;border-bottom:2px solid var(--lime);padding-bottom:2px;color:var(--brand-700);}
.section-head .link-more:hover{border-color:var(--brand-700);color:var(--brand-700);}
/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,234,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;}
.site-header.is-stuck{background:rgba(247,243,234,.95);border-bottom:1px solid var(--line);box-shadow:0 8px 24px -22px rgba(22,33,29,.5);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;}
.logo:hover{color:var(--ink);}
.logo-mark{width:22px;height:22px;border-radius:7px;background:var(--brand-700);position:relative;flex:0 0 22px;}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--lime);}
.logo-text{font-size:17px;letter-spacing:-.01em;line-height:1.1;}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:15px;color:var(--ink);font-weight:600;position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand-700);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-700);font-weight:800;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;padding:28px 24px 40px;display:none;flex-direction:column;gap:4px;overflow-y:auto;border-top:1px solid var(--line);}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{display:block;padding:14px 0;font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-drawer .btn{margin-top:24px;width:100%;justify-content:center;padding:16px;font-size:17px;}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:700;padding:12px 22px;border-radius:var(--radius-sm);transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;border:1.5px solid transparent;white-space:nowrap;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-700);color:#F7F3EA;}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#ddf77f;color:var(--ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-700);background:rgba(255,255,255,.6);color:var(--brand-700);}
.btn-ghost-light{background:transparent;border-color:rgba(247,243,234,.4);color:#F7F3EA;}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
/* Article top */
.article-top{background:var(--bg);padding:26px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13.5px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;}
.breadcrumb .sep{color:rgba(22,33,29,.35);}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* Article head */
.article-head{background:var(--bg);padding:34px 0 48px;border-bottom:1px solid var(--line);}
.article-head-inner{max-width:820px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:rgba(23,86,74,.12);color:var(--brand-700);font-size:12.5px;font-weight:700;letter-spacing:.04em;}
.badge-accent{background:transparent;border:1px solid rgba(196,121,74,.5);color:var(--accent);}
.article-title{font-size:clamp(27px,3.4vw,42px);line-height:1.34;font-weight:800;letter-spacing:-.015em;margin-top:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13.5px;color:var(--muted);}
.meta-item{display:inline-flex;align-items:center;gap:8px;}
.meta-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(211,242,106,.35);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
/* Article layout */
.article-body{background:var(--surface);padding:64px 0 84px;border-bottom:1px solid var(--line);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.article-main{max-width:760px;min-width:0;}
.article-prose{font-size:16.5px;line-height:1.95;color:var(--ink);word-break:break-word;}
.article-prose > *:first-child{margin-top:0;}
.article-prose h2{font-size:23px;font-weight:700;line-height:1.5;margin:1.9em 0 .8em;padding-left:14px;border-left:4px solid var(--brand-700);letter-spacing:-.01em;}
.article-prose h3{font-size:19px;font-weight:700;line-height:1.6;margin:1.6em 0 .6em;}
.article-prose h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.article-prose p{margin:0 0 1.1em;}
.article-prose ul,.article-prose ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-prose li{margin:.42em 0;}
.article-prose li::marker{color:var(--brand-500);}
.article-prose img{border-radius:12px;margin:1.5em 0;width:auto;max-width:100%;height:auto;}
.article-prose figure{margin:1.6em 0;}
.article-prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-prose blockquote{margin:1.6em 0;padding:16px 22px;background:var(--bg);border-left:3px solid var(--brand-700);border-radius:0 12px 12px 0;color:rgba(22,33,29,.86);}
.article-prose blockquote p:last-child{margin-bottom:0;}
.article-prose a{color:var(--brand-700);border-bottom:1px solid rgba(23,86,74,.32);}
.article-prose a:hover{border-bottom-color:var(--brand-700);color:var(--brand-500);}
.article-prose strong{font-weight:700;}
.article-prose hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-prose code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-prose th,.article-prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-prose th{background:var(--soft);font-weight:700;}
.article-empty{padding:56px 0;text-align:center;}
.article-empty h2{font-size:24px;font-weight:700;}
.article-empty p{color:var(--muted);margin:12px 0 26px;font-size:15px;}
/* Author box */
.author-box{display:flex;gap:18px;align-items:flex-start;margin-top:52px;padding:26px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);}
.avatar{width:56px;height:56px;flex:0 0 56px;border-radius:50%;background:var(--brand-700);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;letter-spacing:.02em;}
.author-box h3{font-size:16px;font-weight:700;}
.author-box p{font-size:14px;color:var(--muted);line-height:1.85;margin-top:8px;}
.author-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:12.5px;color:var(--brand-700);font-weight:600;}
/* Aside */
.article-aside{min-width:0;}
.aside-sticky{position:sticky;top:96px;}
.aside-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);margin-bottom:18px;}
.aside-title{font-size:14px;font-weight:800;letter-spacing:.08em;color:var(--brand-700);margin-bottom:14px;}
.aside-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px;}
.aside-list li{display:flex;justify-content:space-between;gap:12px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:10px;}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list b{color:var(--ink);font-weight:700;}
.aside-links{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.aside-links a{display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:600;}
.aside-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px;}
.aside-links a:hover{color:var(--brand-500);text-decoration:underline;}
/* Related */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.rec-card:hover{transform:translateY(-3px);border-color:rgba(31,122,100,.45);box-shadow:var(--shadow-hover);color:var(--ink);}
.rec-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--soft);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(247,243,234,.94);color:var(--brand-700);backdrop-filter:blur(4px);}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body p{font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(22,33,29,.55);}
/* Pager */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px;}
.pager a{display:flex;flex-direction:column;gap:8px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;color:var(--ink);}
.pager a:hover{transform:translateY(-2px);border-color:rgba(31,122,100,.45);box-shadow:var(--shadow);color:var(--ink);}
.pager .dir{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--accent);}
.pager .ttl{font-size:16px;font-weight:700;line-height:1.6;}
.pager .sub{font-size:13.5px;color:var(--muted);}
.pager-back{display:flex;justify-content:center;margin-top:26px;}
.pager-back a{font-size:14px;font-weight:700;color:var(--brand-700);border-bottom:2px solid var(--lime);padding-bottom:2px;}
.pager-back a:hover{color:var(--brand-500);border-bottom-color:var(--brand-700);}
/* CTA band */
.cta-band{background:var(--brand-900);color:#F3F1E7;border-radius:var(--radius-lg);padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;border:1px solid rgba(255,255,255,.12);}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;letter-spacing:-.01em;}
.cta-band p{color:rgba(243,241,231,.75);font-size:14.5px;margin-top:10px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* Footer */
.site-footer{background:var(--brand-900);color:#EDEAE0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-text{color:#F7F3EA;}
.footer-brand .logo-text small{color:rgba(243,241,231,.6);}
.footer-brand p{color:rgba(243,241,231,.7);font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:rgba(243,241,231,.62);margin-bottom:16px;font-weight:700;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#EDEAE0;font-size:14.5px;}
.footer-col a:hover{color:var(--lime);}
.qr-box{margin-top:18px;width:104px;height:104px;border:1px dashed rgba(243,241,231,.35);border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.7;color:rgba(243,241,231,.72);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(243,241,231,.6);}
/* Responsive */
@media (max-width:1023px){
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .aside-sticky{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  section{padding:68px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  section{padding:56px 0;}
  .section-title{font-size:26px;}
  .article-body{padding:44px 0 60px;}
  .article-prose{font-size:16px;line-height:1.9;}
  .article-prose h2{font-size:21px;}
  .article-prose h3{font-size:18px;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:28px 24px;}
  .cta-band h2{font-size:22px;}
  .article-meta{font-size:12.5px;gap:8px 16px;}
}
@media (max-width:519px){
  .breadcrumb .current{max-width:40vw;}
  .author-box{flex-direction:column;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{font-size:12px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#16211D;
  --brand-900:#0F2E28;
  --brand-700:#17564A;
  --brand-500:#1F7A64;
  --accent:#C4794A;
  --lime:#D3F26A;
  --bg:#F7F3EA;
  --surface:#FFFFFF;
  --soft:#EEF2EA;
  --line:#E4DED2;
  --muted:rgba(22,33,29,.66);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(22,33,29,.06), 0 14px 30px -20px rgba(22,33,29,.28);
  --shadow-hover:0 2px 4px rgba(22,33,29,.08), 0 22px 40px -22px rgba(22,33,29,.34);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
select,input{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:700;padding:12px 22px;border-radius:var(--radius-sm);transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;border:1.5px solid transparent;white-space:nowrap;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-700);color:#F7F3EA;}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#ddf77f;color:var(--ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-700);background:rgba(255,255,255,.6);color:var(--brand-700);}
.btn-ghost-light{background:transparent;border-color:rgba(247,243,234,.42);color:#F7F3EA;}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,234,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;}
.site-header.is-stuck{background:rgba(247,243,234,.96);border-bottom:1px solid var(--line);box-shadow:0 8px 24px -22px rgba(22,33,29,.5);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;}
.logo:hover{color:var(--ink);}
.logo-mark{width:22px;height:22px;border-radius:7px;background:var(--brand-700);position:relative;flex:0 0 22px;}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--lime);}
.logo-text{font-size:17px;letter-spacing:-.01em;line-height:1.1;}
.logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:15px;color:var(--ink);font-weight:600;position:relative;padding:4px 0;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand-700);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-700);font-weight:800;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:55;padding:28px 24px 40px;display:none;flex-direction:column;gap:4px;overflow-y:auto;border-top:1px solid var(--line);}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{display:block;padding:14px 0;font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-drawer a.is-active{color:var(--brand-700);}
.mobile-drawer .btn{margin-top:24px;width:100%;justify-content:center;padding:16px;font-size:17px;border-bottom:0;}

/* ===== Page blocks ===== */
.cat-hero{
  padding:52px 0 46px;
  background:
    linear-gradient(100deg, rgba(247,243,234,.98) 0%, rgba(247,243,234,.94) 52%, rgba(247,243,234,.80) 100%),
    url('/assets/images/59faceb9279c6fb3.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-700);}
.crumbs li[aria-current]{color:var(--brand-700);font-weight:700;}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--accent);margin-bottom:14px;}
.cat-hero h1{font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.32;max-width:960px;}
.cat-lede{margin-top:18px;font-size:16px;color:var(--muted);max-width:760px;}
.cat-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cat-facts span{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;background:rgba(23,86,74,.09);color:var(--brand-700);}
.cat-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}

/* filter bar */
.filter-wrap{padding:26px 0;background:var(--surface);border-bottom:1px solid var(--line);}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{font-size:14px;font-weight:700;padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--brand-700);transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;}
.chip:hover{border-color:var(--brand-500);transform:translateY(-1px);}
.chip.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#F7F3EA;}
.sort{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-weight:600;}
.sort select{appearance:none;padding:9px 36px 9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%2316211D' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 16px center;color:var(--ink);font-weight:700;cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease;}
.sort select:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(31,122,100,.16);outline:none;}

/* sections */
.section{padding:84px 0;}
.section--surface{background:var(--surface);}
.section--soft{background:var(--soft);}
.section--dark{background:var(--brand-900);color:#F3F1E7;}
.section--divide{border-top:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.38;}
.section-title em{font-style:normal;color:var(--brand-700);}
.section--dark .section-title em{color:var(--lime);}
.section-desc{color:var(--muted);font-size:15.5px;max-width:760px;margin-top:14px;}
.section--dark .section-desc{color:rgba(243,241,231,.74);}
.link-more{font-size:14px;font-weight:700;border-bottom:2px solid var(--lime);padding-bottom:2px;color:var(--brand-700);}
.link-more:hover{border-color:var(--brand-700);color:var(--brand-700);}

/* post cards */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,122,100,.34);color:var(--ink);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 24px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{align-self:flex-start;font-size:12px;font-weight:700;height:22px;line-height:22px;padding:0 12px;border-radius:999px;background:rgba(23,86,74,.12);color:var(--brand-700);}
.post-body h3{font-size:18px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:rgba(22,33,29,.52);margin-top:auto;padding-top:8px;border-top:1px solid var(--line);}
.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:15px;background:var(--surface);}

/* intro two column */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;}
.intro-copy p{color:var(--muted);font-size:15.5px;margin-top:16px;}
.intro-copy p:first-of-type{margin-top:18px;}
.intro-photo{margin-top:30px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.intro-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.point-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.point-card h3{font-size:17px;font-weight:700;margin-bottom:16px;}
.point-list li{display:flex;gap:12px;padding:14px 0;border-top:1px dashed var(--line);}
.point-list li:first-child{border-top:0;padding-top:0;}
.point-num{flex:0 0 26px;height:26px;border-radius:8px;background:rgba(23,86,74,.1);color:var(--brand-700);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.point-list h4{font-size:15px;font-weight:700;}
.point-list p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:2px;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,122,100,.34);}
.step-no{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--accent);}
.step h3{font-size:18px;font-weight:700;margin:10px 0 8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:940px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:rgba(31,122,100,.4);box-shadow:var(--shadow);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);}
.faq-q .arrow{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .24s ease;color:var(--brand-700);}
.faq-q .arrow::before,.faq-q .arrow::after{content:"";position:absolute;top:50%;background:currentColor;border-radius:2px;}
.faq-q .arrow::before{left:2px;right:2px;height:2px;transform:translateY(-50%);}
.faq-q .arrow::after{left:50%;top:2px;bottom:2px;width:2px;transform:translateX(-50%);transition:opacity .24s ease,transform .24s ease;}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);}
.faq-item.is-open .faq-q .arrow::after{opacity:0;transform:translateX(-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted);border-left:3px solid transparent;}
.faq-item.is-open .faq-a p{border-left-color:var(--brand-700);padding-left:21px;margin-left:0;}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.related-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,122,100,.34);color:var(--ink);}
.related-card .post-thumb{aspect-ratio:16/9;}
.related-card .post-body{padding:18px 20px;}
.related-card h3{font-size:16px;}

/* CTA */
.cta-band{background:var(--brand-900);color:#F3F1E7;border-radius:var(--radius-lg);padding:48px 52px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:rgba(211,242,106,.10);}
.cta-band h2{font-size:clamp(23px,2.5vw,30px);font-weight:800;letter-spacing:-.015em;position:relative;z-index:1;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(243,241,231,.76);max-width:520px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}

/* footer */
.site-footer{background:var(--brand-900);color:rgba(243,241,231,.86);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-text{color:#F3F1E7;font-size:18px;font-weight:800;}
.footer-brand .logo-text small{color:rgba(243,241,231,.6);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(243,241,231,.66);max-width:340px;}
.footer-col h4{font-size:13px;letter-spacing:.1em;font-weight:700;color:rgba(243,241,231,.56);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:rgba(243,241,231,.86);}
.footer-col ul a:hover{color:var(--lime);}
.qr-box{margin-top:18px;width:118px;height:118px;border-radius:14px;border:1px dashed rgba(243,241,231,.34);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;line-height:1.7;color:rgba(243,241,231,.62);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(243,241,231,.52);}

/* responsive */
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .post-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .cat-hero{padding:40px 0 36px;}
  .cat-lede{font-size:15px;}
  .section-head{margin-bottom:30px;}
  .cta-band{padding:34px 26px;border-radius:var(--radius);}
  .related-grid{grid-template-columns:1fr;}
  .post-body{padding:18px 18px 16px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .faq-item.is-open .faq-a p{padding-left:15px;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .logo-text small{font-size:10px;}
  .nav{height:64px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .cat-hero h1{font-size:26px;}
  .filter-bar{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
}