:root{
  color-scheme:light;
  --paper:#f4f7f5;
  --surface:#ffffff;
  --surface-2:#f7faf8;
  --ink:#101915;
  --muted:#5f6d65;
  --line:#e4eae6;
  --brand:#0ca678;
  --brand-deep:#087a57;
  --brand-2:#12b3a3;
  --brand-soft:#e2f6ee;
  --lime:#d7f36a;
  --gold:#e8b14a;
  --danger:#d64545;
  --radius:20px;
  --shadow-sm:0 1px 2px rgba(16,25,21,.05);
  --shadow:0 10px 30px -12px rgba(13,40,30,.18);
  --shadow-lg:0 26px 60px -20px rgba(10,46,34,.28);
  font-family:Inter,"PingFang SC","Microsoft YaHei UI","Noto Sans CJK SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button[disabled]{cursor:wait;opacity:.6}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(12,166,120,.4);outline-offset:3px}

.frame{width:min(1184px,calc(100% - 64px));margin-inline:auto}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid var(--line);background:rgba(244,247,245,.85);backdrop-filter:blur(14px)}
.header-row{height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;width:fit-content;font-weight:850;font-size:17px;line-height:1.15;letter-spacing:.02em}
.brand small{display:block;margin-top:4px;font:700 9px/1.1 Inter,Arial,sans-serif;letter-spacing:.18em;color:var(--muted)}
.brand-mark{height:36px;width:36px;display:flex;gap:3px;align-items:end;justify-content:center;padding-bottom:8px;border-radius:10px;background:linear-gradient(150deg,var(--brand),var(--brand-deep));box-shadow:var(--shadow-sm)}
.brand-mark i{background:var(--lime);height:11px;width:4px;transform:skewY(-15deg);border-radius:1px}
.brand-mark i:nth-child(2){height:16px}
.brand-mark i:nth-child(3){height:20px}
.header-row nav{display:flex;gap:34px;font-size:14.5px;color:var(--muted)}
.header-row nav a{position:relative;padding:6px 2px;transition:color .2s}
.header-row nav a:hover{color:var(--ink)}
.header-row nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;background:var(--brand);transition:right .25s}
.header-row nav a:hover::after{right:0}
.header-action{justify-self:end;border:1px solid var(--ink);padding:10px 18px;border-radius:100px;background:transparent;white-space:nowrap;font-weight:650;transition:all .2s}
.header-action span{margin-left:10px}
.header-action:hover{background:var(--ink);color:#fff;box-shadow:var(--shadow)}

/* ===== Hero ===== */
.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:480px;overflow:hidden;border-radius:var(--radius);margin:34px 0 0;background:linear-gradient(135deg,#0c2a20 0%,#0a3d2c 55%,#0a5138 100%);box-shadow:var(--shadow-lg);position:relative}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 88% 8%,rgba(18,179,163,.35),transparent 60%),radial-gradient(500px 400px at 8% 95%,rgba(12,166,120,.3),transparent 60%);pointer-events:none}
.hero-copy{padding:52px clamp(30px,5vw,72px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center;position:relative;z-index:1}
.hero-copy .eyebrow{color:#9fe8d2}
.hero-copy .eyebrow span{background:var(--lime)}
.eyebrow{color:var(--brand-deep);font:750 12px/1.5 Inter,"Microsoft YaHei UI",Arial,sans-serif;letter-spacing:.16em;margin:0 0 14px}
.eyebrow span{display:inline-block;background:var(--brand);width:8px;height:8px;border-radius:50%;margin-right:7px}
.hero h1{margin:4px 0 0;font-size:clamp(44px,6vw,76px);font-weight:900;line-height:1.04;letter-spacing:-.05em;color:#f4fbf8}
.hero h1 span{color:var(--lime)}
.intro{font-size:16px;line-height:1.85;color:#c3d8cf;margin:22px 0 26px}
.primary{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:13px 22px;color:#06231a;background:var(--lime);border:1px solid var(--lime);border-radius:11px;font-weight:800;min-height:48px;transition:transform .18s,box-shadow .2s}
.primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(215,243,106,.5)}
.primary span{margin-left:8px}
.hero-art{position:relative;isolation:isolate;min-height:100%;background:linear-gradient(150deg,rgba(18,179,163,.18),rgba(12,166,120,.06))}
.hero-art::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 420px at 60% 45%,rgba(215,243,106,.16),transparent 70%)}
.art-fallback{position:absolute;inset:0;z-index:-1;display:none}
.art-index{position:absolute;bottom:24px;right:28px;text-align:right;font:800 10px/1.5 Inter,sans-serif;letter-spacing:.18em;color:#d8f5e9;padding:7px 11px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:8px;backdrop-filter:blur(6px)}

/* ===== Catalog ===== */
.catalog{scroll-margin-top:90px;padding:66px 0 64px}
.section-line{display:flex;justify-content:space-between;align-items:end;gap:12px}
.section-line h2,.help h2{margin:0;font-size:clamp(28px,4vw,42px);line-height:1.12;letter-spacing:-.04em}
.section-line .eyebrow{margin-bottom:8px}
.count{color:var(--muted);font-size:13px;padding-bottom:6px}
.filters{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}
.filter{border:1px solid var(--line);border-radius:100px;background:var(--surface);padding:9px 18px;color:var(--ink);font-size:14px;font-weight:600;transition:all .18s}
.filter[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter:hover{border-color:var(--brand);color:var(--brand-deep)}
#catalog-message:empty{display:none}
#catalog-message{color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.product{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s,border-color .2s}
.product:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d3e6dc}
.product-cover{height:150px;display:grid;place-items:center;position:relative;overflow:hidden}
.product-cover.plans{background:linear-gradient(135deg,#dff3ea,#b9e6d6)}
.product-cover.credits{background:linear-gradient(135deg,#e9e4f7,#cfc6ee)}
.product-cover.guides{background:#e8e4f3}
.product-cover.assets{background:#f1e6d4}
.cover-glyph{width:99px;height:74px;position:relative;transform:rotate(-9deg);border-radius:8px;background:#f9fbf2;border:1px solid #34432a;box-shadow:7px 7px #91ab69,13px 13px #354b28}
.cover-glyph::before{content:"";position:absolute;inset:15px 11px;background:repeating-linear-gradient(to bottom,transparent 0 8px,#5e7653 8px 9px),repeating-linear-gradient(to right,transparent 0 18px,#b0bba5 18px 19px);border:1px solid #acbca4}
.plans .cover-glyph,.credits .cover-glyph{display:flex;align-items:flex-end;padding:14px;width:148px;height:90px;border-radius:14px;transform:rotate(-8deg);font:800 12px/1.2 Inter,Arial,sans-serif;letter-spacing:.15em}
.plans .cover-glyph{color:#ecf9d7;background:linear-gradient(140deg,#1c4a38,#0c7a57);border:1px solid #174332;box-shadow:8px 9px rgba(12,122,87,.28),15px 16px rgba(12,58,42,.22)}
.credits .cover-glyph{color:#f1eaff;background:linear-gradient(140deg,#3d3270,#6f5fc0);border:1px solid #3a3066;box-shadow:8px 9px rgba(111,95,192,.28),15px 16px rgba(58,48,102,.22)}
.plans .cover-glyph::before,.credits .cover-glyph::before{content:"";position:absolute;inset:15px auto auto 14px;width:31px;height:23px;border:1px solid rgba(255,255,255,.72);border-radius:5px;background:linear-gradient(90deg,transparent 48%,rgba(255,255,255,.72) 48% 52%,transparent 52%),linear-gradient(0deg,transparent 48%,rgba(255,255,255,.72) 48% 52%,transparent 52%)}
.plans .cover-glyph::after,.credits .cover-glyph::after{content:"◦ ◦ ◦ ◦";position:absolute;right:13px;top:13px;font-size:18px;letter-spacing:.05em;color:rgba(255,255,255,.7)}
.guides .cover-glyph{width:72px;height:92px;background:#f1edff;box-shadow:7px 7px #a499bc,13px 13px #4d4661;border-color:#4d4661;transform:rotate(11deg)}
.guides .cover-glyph::before{inset:22px 12px;background:repeating-linear-gradient(to bottom,transparent 0 8px,#6b607b 8px 9px);border:0}
.assets .cover-glyph{background:#fbf3e8;box-shadow:7px 7px #b69674,13px 13px #614f3b;border-color:#614f3b;transform:rotate(-12deg)}
.assets .cover-glyph::before{border:0;background:linear-gradient(90deg,#454b3e 0 25%,#9aab70 25% 50%,#dcaa72 50% 75%,#e6d7bd 75%);border-radius:3px}
.cover-tag{position:absolute;left:13px;top:13px;background:rgba(255,255,255,.82);border:1px solid rgba(22,40,32,.12);color:#313a2e;border-radius:99px;padding:4px 10px;font-size:11px;font-weight:650}
.product-copy{padding:20px;flex:1;display:flex;flex-direction:column}
.product-copy h3{font-size:18.5px;margin:0 0 7px;line-height:1.35}
.product-copy p{color:var(--muted);font-size:13.5px;line-height:1.65;margin:0 0 18px}
.product-bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px}
.price{font-size:22px;font-weight:850;color:var(--ink)}
.price small{font-size:12px;font-weight:650;color:var(--muted);margin-left:2px}
.details-button{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);border-radius:9px;padding:9px 13px;font-size:13px;font-weight:650;transition:all .18s}
.details-button:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}

/* ===== Help / FAQ ===== */
.help{scroll-margin-top:90px;border-top:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.6fr;gap:30px;padding:48px 0 64px}
.help h2{margin:0 0 14px}
.text-button{padding:0;border:0;color:var(--brand-deep);background:none;text-align:left;font-weight:650;text-underline-offset:4px}
.text-button:hover{text-decoration:underline}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{font-weight:700;cursor:pointer;padding:16px 0;list-style:none}
.faq summary::marker{content:""}
.faq p{color:var(--muted);line-height:1.75;margin:0 0 16px;font-size:14px}
.faq a{color:var(--brand-deep);font-weight:700}

/* ===== Footer ===== */
.site-footer{background:#0e1a15;border-top:1px solid var(--line);padding:30px 0 34px;color:#9fb3a9;font-size:13px}
.footer-grid{display:flex;justify-content:space-between;gap:15px}
.footer-name{font-size:17px;font-weight:820;color:#f2f8f4;margin:0 0 9px}
.footer-grid p{white-space:pre-line;line-height:1.65}
.footer-links{display:flex;gap:18px;align-items:start;white-space:nowrap}
.footer-links .text-button{color:#9fe8d2}

/* ===== Dialog ===== */
dialog{width:min(560px,calc(100% - 30px));max-height:calc(100dvh - 40px);padding:0;border:1px solid var(--line);border-radius:18px;color:var(--ink);background:var(--surface);box-shadow:var(--shadow-lg)}
dialog::backdrop{background:rgba(10,24,18,.55);backdrop-filter:blur(3px)}
.dialog-head{display:flex;justify-content:space-between;align-items:start;gap:14px;padding:24px 24px 0;position:sticky;top:0;background:var(--surface);z-index:1}
.dialog-head h2{font-size:23px;margin:0 0 4px;overflow-wrap:anywhere}
.close{width:36px;height:36px;flex-shrink:0;border:1px solid var(--line);background:var(--surface-2);border-radius:50%;font-size:22px;line-height:1}
#panel-content{padding:0 24px 24px}
.panel-text{font-size:14px;line-height:1.75;color:var(--muted);white-space:pre-line;overflow-wrap:anywhere}
.panel-price{font-size:26px;font-weight:850;color:var(--brand-deep)}
.panel-buttons{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.panel-buttons .primary{flex:1 1 auto}
.panel-form{display:grid;gap:13px}
.panel-form label{display:grid;gap:6px;color:#414b3d;font-size:14px;font-weight:650}
.panel-form input,.panel-form textarea{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:11px;color:var(--ink);font-weight:400}
.panel-form textarea{min-height:95px;resize:vertical}
.panel-form .check{display:flex;align-items:start;gap:8px;line-height:1.6;font-weight:500}
.panel-form .check input{width:auto;margin:5px 0 0}
.feedback{margin:12px 0 0;color:var(--danger);font-size:14px;line-height:1.55}
.feedback:empty{display:none}
.order-meta{display:grid;gap:8px;margin:6px 0 14px}
.order-meta div{display:grid;grid-template-columns:78px minmax(0,1fr);gap:8px;font-size:14px}
.order-meta dt{color:var(--muted)}
.order-meta dd{margin:0;overflow-wrap:anywhere}
.pay-qr{display:block;width:190px;height:190px;image-rendering:pixelated;margin:14px auto;border:1px solid var(--line);border-radius:10px}
.manual-pay{margin:14px 0;padding:18px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface,#fff);text-align:center}
.manual-pay-title{margin:6px 0 2px;font-size:16px;font-weight:700;color:var(--ink,#111)}
.manual-pay-amount{margin:2px 0 8px;font-size:18px;font-weight:800;color:var(--brand-deep,#0a5138)}
.manual-pay .panel-text{text-align:left;margin:6px 0}
.mode-banner{font-size:13px;color:var(--brand-deep);background:var(--brand-soft);padding:10px 12px;border:1px solid #c4e8da;border-radius:10px;line-height:1.5}

/* ===== extra components ===== */
.preview-banner{margin-top:34px;padding:clamp(26px,5vw,60px);border-radius:var(--radius);background:linear-gradient(135deg,#0c2a20,#0a5138);color:#f4fbf8}
.preview-banner h1{font-size:clamp(36px,7vw,80px);margin:0;letter-spacing:-.05em;line-height:1.08;color:#f4fbf8}
.preview-banner .intro{color:#c3d8cf;margin-bottom:0}
.preview-group{padding:38px 0}
.preview-group .product-grid{margin-top:16px}
.preview-status,.stock-status{align-self:flex-start;margin-top:9px;padding:5px 11px;border-radius:100px;background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:700}
.preview-page{padding-bottom:24px}
.delivered-code{margin:13px 0;padding:14px;border:1px solid var(--line);border-radius:11px;background:var(--surface-2)}
.delivered-code p{margin:0 0 8px;font-size:13px;line-height:1.55;color:var(--muted)}
.delivered-code code{display:block;overflow-wrap:anywhere;user-select:all;font-size:15px;font-weight:750;line-height:1.6;color:var(--ink)}
.support-list{display:grid;gap:12px;margin:12px 0 18px;font-size:14px;line-height:1.6}
.support-item{border:1px solid var(--line);border-radius:11px;background:var(--surface-2);padding:14px}
.support-item h3{font-size:14px;margin:0 0 8px;overflow-wrap:anywhere}
.support-item p{margin:0 0 8px;overflow-wrap:anywhere;color:var(--muted)}
.support-item p:last-child{margin-bottom:0}
.support-item .merchant-reply{border-top:1px solid var(--line);padding-top:9px;color:var(--brand-deep)}
.purchase-record h3{font-size:16px;line-height:1.4;margin:22px 0 8px}
.purchase-record .panel-text{overflow-wrap:anywhere}
.checkout-policies{display:grid;gap:9px;margin:0 0 16px}
.policy-detail{border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}
.policy-detail summary{cursor:pointer;font-weight:650;font-size:14px;padding:12px}
.policy-detail .panel-text{margin:0;padding:0 12px 12px}

/* ===== responsive ===== */
@media(max-width:780px){
  .frame{width:calc(100% - 36px)}
  .hero{min-height:380px}
  .hero-copy{padding:36px 28px}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .header-row{gap:15px}
  .header-row nav{gap:16px}
}
@media(max-width:520px){
  .frame{width:calc(100% - 26px)}
  .header-row{height:64px;grid-template-columns:1fr auto}
  .header-row nav{display:none}
  .header-action{font-size:13px}
  .hero{grid-template-columns:1fr;margin-top:20px}
  .hero-copy{padding:30px 24px}
  .hero h1{font-size:46px}
  .hero-art{min-height:120px}
  .intro{margin:18px 0;font-size:14.5px}
  .catalog{padding:44px 0}
  .product-grid{grid-template-columns:1fr;gap:14px}
  .product-cover{height:130px}
  .help{grid-template-columns:1fr;gap:10px;padding:36px 0}
  .footer-grid{display:block}
  .footer-links{margin-top:14px}
  .art-index{bottom:12px;right:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ===== Hero visual card ===== */
.hero-visual{position:absolute;inset:0;display:grid;place-items:center;z-index:1}
.hv-card{position:relative;width:min(330px,78%);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px;backdrop-filter:blur(12px);box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.hv-top{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:750;color:#eef7f2}
.hv-dot{width:10px;height:10px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(215,243,106,.18)}
.hv-badge{margin-left:auto;font-size:11px;font-weight:800;color:#06231a;background:var(--lime);border-radius:99px;padding:3px 10px}
.hv-ok{margin:18px 0 14px;font-size:14px;font-weight:700;color:#8fe6c8}
.hv-meta{display:flex;gap:8px;flex-wrap:wrap}
.hv-meta span{font-size:11px;color:#b9d4c8;border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:4px 9px}
.hv-bar{margin-top:18px;height:6px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.hv-bar i{display:block;height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand-2),var(--lime))}
.hv-ring{position:absolute;width:380px;height:380px;border-radius:50%;border:1px dashed rgba(255,255,255,.16);animation:hvspin 26s linear infinite}
@keyframes hvspin{to{transform:rotate(360deg)}}
@media(max-width:520px){.hv-ring{width:260px;height:260px}.hv-card{width:78%}}

/* ===== Trust / promises ===== */
.trust{scroll-margin-top:90px;padding:64px 0 8px}
.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
.trust-card{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s,border-color .2s}
.trust-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d3e6dc}
.trust-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:850;color:#06231a;background:linear-gradient(150deg,var(--lime),#bfe055);margin-bottom:16px;font-size:18px}
.trust-card h3{margin:0 0 9px;font-size:18px}
.trust-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.7}
.trust-card strong{color:var(--brand-deep);font-weight:750}

/* ===== Process steps ===== */
.process{scroll-margin-top:90px;padding:60px 0 24px}
.process-steps{list-style:none;margin:26px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.process-steps li{position:relative;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);padding:24px 20px 22px}
.step-no{display:inline-block;font:850 22px/1 Inter,Arial,sans-serif;letter-spacing:.04em;color:var(--brand);margin-bottom:14px}
.process-steps h3{margin:0 0 8px;font-size:16.5px}
.process-steps p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}

@media(max-width:780px){
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .process-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:520px){
  .trust{padding:44px 0 4px}
  .trust-grid{grid-template-columns:1fr;gap:14px}
  .process{padding:40px 0 10px}
  .process-steps{grid-template-columns:1fr;gap:14px}
}