/* =========================================================
   高胜天智能决策系统 · 官网设计系统
   主题：白色系 + 中国红（2026-10-11 客户指定）
   ------------------------------------------------------------
   ★ 换肤只需改这一段：全站颜色都走变量，没有第二处调色板。
     变量名保持 --gold* 不变（Button/标题里引用了几十处），
     只是语义从"暗金"变成"中国红"—— 改值不改名，避免漏改引用点。
     后续若要再换色，只改这 23 行即可。
   ========================================================= */

:root {
  /* —— 底色：白→ 极浅暖灰，带一点点暖调不刺眼 —— */
  --bg: #ffffff;
  --bg-2: #fdfbfb;
  --bg-3: #f7f4f4;
  /* 卡片面：浅底上用"白+微阴影"区分层次，不能再用半透明白（白底上看不见） */
  --surface: #ffffff;
  --surface-2: #fbf8f8;
  /* —— 描边 —— */
  --border: rgba(200, 22, 29, 0.16);
  --border-soft: rgba(24, 24, 27, 0.09);

  /* —— 主色：中国红 —— */
  --red: #c8161d;/* 旗红偏正，用作主按钮/强调 */
  --red-2: #e23a40;       /* 浅一档：hover / 次级强调 */
  --red-deep: #9c0f15;    /* 深一档：按下 / 渐变收尾 */
  --red-soft: rgba(200, 22, 29, 0.08);
  --red-grad: linear-gradient(135deg, #e23a40 0%, #c8161d 52%, #9c0f15 100%);

  /* —— 文字：深灰系，不用纯黑（浅底上纯黑过于刺眼）—— */
  --text: #1f1f23;
  --text-2: #45454d;
  --muted: #6f6f7a;
  --muted-2: #9a9aa5;

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1240px;
  /* 浅底阴影要比深底更实一点才有层次 */
  --shadow: 0 18px 44px -22px rgba(31, 31, 35, 0.22);
  --glow: 0 8px 30px -10px rgba(200, 22, 29, 0.30);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* —— 兼容层：把旧变量名映射到新配色。
   原因：CSS 里有 100+ 处引用 var(--gold) / var(--gold-2) / var(--gold-deep) /
   var(--gold-grad)（按钮、标题、徽章、链接高亮…）。若直接删掉这些变量名，
   漏改一处就是一个"没有颜色的标题"。这里保名换值，改动面最小、回归风险最低。 */
:root {
  --gold: var(--red);
  --gold-2: var(--red-2);
  --gold-deep: var(--red-deep);
  --gold-grad: var(--red-grad);
}


* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 背景：极淡的红/灰晕染 + 细网格
   ★ 浅底要点：光晕必须比深底**更淡**，否则一片脏红；
     网格线要用深色低透明（rgba(31,31,35,.02)），原来那条白线在白底上等于没有。 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(200, 22, 29, 0.055), transparent 60%),
    radial-gradient(800px 600px at 95% 0%, rgba(120, 120, 140, 0.045), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  z-index: -2;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 31, 35, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 31, 35, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  z-index: -1;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============ 布局 ============ */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; position: relative; }
.section-sm { padding: 70px 0; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(200, 22, 29, 0.04);
  margin-bottom: 20px;
}
h1, h2, h3 { line-height: 1.25; font-weight: 800; letter-spacing: -0.5px; }
h2.section-title { font-size: clamp(28px, 4vw, 44px); margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 17px; }

.grad-text {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid var(--border-soft);
  transition: all .3s ease;
}
.nav.scrolled { background: rgba(255, 255, 255, 0.96); box-shadow: 0 10px 40px -20px #000; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; }
.brand .logo {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--gold-grad);
  display: grid; place-items: center;
  color: #ffffff; font-weight: 900; font-size: 18px;
  box-shadow: var(--glow);
}
.brand b { color: var(--gold-2); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 15px; color: var(--text-2);
  transition: all .2s; font-weight: 500;
}
.nav-links a:hover { color: var(--gold-2); background: rgba(200, 22, 29, 0.06); }
.nav-links a.active { color: var(--gold-2); background: rgba(200, 22, 29, 0.10); }
/* nav-cta 必须压过 .nav-links a:hover / a.active（否则 hover 时金色背景被半透明白覆盖，按钮“消失”） */
.nav-links a.nav-cta,
.nav-links a.nav-cta:hover,
.nav-links a.nav-cta.active {
  padding: 10px 20px; border-radius: 11px;
  background: var(--gold-grad); color: #ffffff !important;
  font-weight: 800; box-shadow: var(--glow);
}
.nav-links a.nav-cta:hover { filter: brightness(1.08); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 26px; cursor: pointer; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 28px; border-radius: 12px; font-weight: 700; font-size: 16px;
  cursor: pointer; border: 0; transition: all .25s; white-space: nowrap;
}
.btn-gold { background: var(--gold-grad); color: #ffffff; box-shadow: var(--glow); }
.btn-gold:hover { transform: translateY(-2px); filter: brightness(1.07); }
.btn-ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-soft); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-2); }
.btn-lg { padding: 17px 38px; font-size: 17px; }
.btn-sm { display: inline-block; padding: 8px 16px; font-size: 13px; border-radius: 8px; border: 1px solid var(--border-soft); background: var(--surface-2); color: var(--text); cursor: pointer; text-decoration: none; }
.btn-sm:hover { border-color: var(--gold); color: var(--gold-2); }
.btn-sm.gold { background: var(--gold-grad, linear-gradient(90deg, #f0c75e, #e8b339)); color: #ffffff; border: none; font-weight: 700; }
.btn-sm.gold:hover { color: #ffffff; filter: brightness(1.07); }

/* ============ Hero ============ */
.hero { padding: 170px 0 90px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 900; letter-spacing: -1.5px; }
.hero h1 .line2 { display: block; }
.hero p.lead { font-size: 19px; color: var(--text-2); margin: 26px 0 36px; max-width: 540px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--gold-2); margin-bottom: 26px;
  padding: 7px 16px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(200, 22, 29, 0.06);
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #36d399; box-shadow: 0 0 10px #36d399; }

/* Hero 视觉卡 */
.hero-visual { position: relative; }
.glass-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 26px;
  backdrop-filter: blur(14px); box-shadow: var(--shadow);
}
.quote-card .qc-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.quote-card .qc-head .sym { font-weight: 800; font-size: 18px; }
.quote-card .qc-head .tag { font-size: 12px; color: var(--gold-2); border: 1px solid var(--border); padding: 3px 10px; border-radius: 999px; }
.price-row { display: flex; align-items: baseline; gap: 12px; }
.price-big { font-size: 38px; font-weight: 900; font-variant-numeric: tabular-nums; }
.up { color: #ff5b5b; }   /* 国内习惯：涨=红 */
.down { color: #2ec28a; } /* 跌=绿 */
.price-chg { font-size: 15px; font-weight: 700; }
.spark { margin-top: 14px; width: 100%; height: 70px; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.mini-stats .ms { background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.mini-stats .ms .v { font-size: 20px; font-weight: 800; color: var(--gold-2); }
.mini-stats .ms .l { font-size: 12px; color: var(--muted); }

/* Hero 真实软件截图卡 */
.shot-card { padding: 12px; }
.shot-card img {
  display: block; width: 100%; height: auto;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.shot-cap { display: flex; justify-content: space-between; align-items: center; padding: 12px 6px 2px; }
.shot-cap .sym { font-weight: 800; font-size: 15px; }
.shot-cap .tag { font-size: 12px; color: var(--gold-2); border: 1px solid var(--border); padding: 3px 10px; border-radius: 999px; white-space: nowrap; }

/* ============ 数据条 ============ */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft);
  padding: 40px 0;
}
.stat .num { font-size: clamp(30px, 4vw, 46px); font-weight: 900; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .lab { color: var(--muted); font-size: 15px; margin-top: 4px; }

/* ============ 卡片网格 ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.feature-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 32px 28px; transition: all .3s;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 200px at 100% 0%, rgba(200, 22, 29, 0.10), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.feature-card:hover { transform: translateY(-6px); border-color: var(--border); }
.feature-card:hover::before { opacity: 1; }
.feature-card .ic {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(200, 22, 29, 0.12); border: 1px solid var(--border);
  font-size: 26px; margin-bottom: 20px;
}
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 15px; }

/* ============ 步骤 ============ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 30px 26px; position: relative; }
.step .n { font-size: 46px; font-weight: 900; color: rgba(200, 22, 29, 0.25); line-height: 1; margin-bottom: 12px; }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: var(--radius); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 720px; }
table.cmp th, table.cmp td { padding: 16px 18px; text-align: center; border-bottom: 1px solid var(--border-soft); }
table.cmp thead th { background: var(--surface-2); font-weight: 800; font-size: 15px; }
table.cmp thead th:first-child { text-align: left; }
table.cmp td:first-child { text-align: left; color: var(--text-2); font-weight: 600; }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp .y { color: #36d399; font-weight: 800; }
table.cmp .n { color: var(--muted-2); }
table.cmp .hl { background: rgba(200, 22, 29, 0.06); }

/* ============ 定价 ============ */
.price-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 34px 28px; display: flex; flex-direction: column;
  transition: all .3s; position: relative;
}
.price-card:hover { transform: translateY(-6px); border-color: var(--border); }
.price-card.featured { border-color: var(--gold); box-shadow: var(--glow); }
.price-card .plan { font-size: 17px; color: var(--gold-2); font-weight: 800; letter-spacing: 1px; }
.price-card .desc { color: var(--muted); font-size: 14px; margin: 6px 0 18px; min-height: 40px; }
.price-card .amt { font-size: 44px; font-weight: 900; }
.price-card .amt small { font-size: 16px; color: var(--muted); font-weight: 600; }
.price-card ul { list-style: none; margin: 22px 0 26px; flex: 1; }
.price-card li { padding: 9px 0; color: var(--text-2); font-size: 15px; display: flex; gap: 10px; align-items: flex-start; }
.price-card li .ck { color: var(--gold); font-weight: 900; }
.price-card li.off { color: var(--muted-2); }
.price-card li.off .ck { color: var(--muted-2); }
.ribbon { position: absolute; top: -12px; right: 22px; background: var(--gold-grad); color: #ffffff; font-weight: 800; font-size: 13px; padding: 5px 14px; border-radius: 999px; box-shadow: var(--glow); }

/* ============ 留言 ============ */
.form-card { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 36px; max-width: 720px; margin: 0 auto; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 14px; color: var(--text-2); margin-bottom: 8px; font-weight: 600; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; border-radius: 11px;
  background: var(--bg-3); border: 1px solid var(--border-soft);
  color: var(--text); font-family: inherit; font-size: 15px; transition: all .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.12); }
.field textarea { resize: vertical; min-height: 120px; }
.msg-list { margin-top: 40px; display: grid; gap: 16px; }
.msg-item { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 20px 22px; }
.msg-item .mh { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.msg-item .who { font-weight: 700; color: var(--gold-2); }
.msg-item .when { font-size: 13px; color: var(--muted-2); }
.msg-item .body { color: var(--text-2); font-size: 15px; white-space: pre-wrap; word-break: break-word; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(120px); background: var(--gold-grad); color: #ffffff; font-weight: 800; padding: 14px 26px; border-radius: 12px; box-shadow: var(--shadow); transition: transform .4s; z-index: 200; }
.toast.show { transform: translateX(-50%) translateY(0); }

/* ============ 下载 ============ */
.dl-card { display: flex; align-items: center; gap: 22px; background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 18px; transition: all .3s; }
.dl-card:hover { border-color: var(--border); transform: translateX(4px); }
.dl-ic { width: 58px; height: 58px; border-radius: 15px; display: grid; place-items: center; background: rgba(200, 22, 29, 0.12); border: 1px solid var(--border); font-size: 28px; flex-shrink: 0; }
.dl-info { flex: 1; }
.dl-info h3 { font-size: 18px; margin-bottom: 4px; }
.dl-info p { color: var(--muted); font-size: 14px; }
.dl-meta { font-size: 13px; color: var(--muted-2); margin-top: 6px; }
.req-box { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 28px; }
.req-box h3 { font-size: 18px; margin-bottom: 14px; color: var(--gold-2); }
.req-box li { color: var(--text-2); margin: 8px 0 8px 18px; }
.dl-card.featured-dl { border-color: var(--gold); box-shadow: var(--glow); }
.dl-tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--gold-2); background: rgba(200, 22, 29, 0.12); border: 1px solid var(--border); border-radius: 999px; padding: 3px 11px; margin-bottom: 8px; letter-spacing: .5px; }


/* 温馨提示（参考站风格） */
.tip-box { margin-top: 30px; background: var(--surface); border: 1px solid rgba(200,60,40,0.20); border-left: 4px solid #d4380d; border-radius: var(--radius); padding: 26px 30px; }
.tip-box h3 { color: #d4380d; font-size: 18px; margin-bottom: 12px; }
.tip-box li { color: var(--text-2); margin: 9px 0 9px 20px; font-size: 14px; line-height: 1.7; }
.tip-box b { color: var(--gold-2); }


/* ============ 风险提示 ============ */
.risk-box { background: var(--surface); border: 1px solid rgba(200,60,40,0.22); border-radius: var(--radius); padding: 36px; }
.risk-box h3 { color: #d4380d; font-size: 20px; margin: 22px 0 10px; }
.risk-box h3:first-child { margin-top: 0; }
.risk-box p, .risk-box li { color: var(--text-2); font-size: 15px; margin: 6px 0; }
.risk-box ul { margin-left: 20px; }

/* ============ 更新日志 ============ */
.changelog { max-width: 860px; margin: 0 auto; }
.cl-item { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--border-soft); }
.cl-item:last-child { border-bottom: 0; }
.cl-ver { text-align: right; }
.cl-ver .v { font-size: 18px; font-weight: 800; color: var(--gold-2); }
.cl-ver .d { font-size: 13px; color: var(--muted-2); margin-top: 4px; }
.cl-body h3 { font-size: 18px; margin-bottom: 10px; }
.cl-body ul { list-style: none; }
.cl-body li { padding: 6px 0 6px 22px; position: relative; color: var(--text-2); font-size: 15px; }
.cl-body li::before { content: "▹"; position: absolute; left: 0; color: var(--gold); }
.tag-new { display: inline-block; font-size: 11px; background: rgba(54,211,153,0.15); color: #36d399; padding: 2px 9px; border-radius: 999px; margin-left: 8px; font-weight: 700; }
.tag-fix { display: inline-block; font-size: 11px; background: rgba(120,150,255,0.15); color: #8aa0ff; padding: 2px 9px; border-radius: 999px; margin-left: 8px; font-weight: 700; }

/* ============ FAQ ============ */
.faq-item { background: var(--surface); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 22px 24px; margin-bottom: 14px; }
.faq-item .q { font-weight: 700; font-size: 17px; color: var(--text); display: flex; gap: 12px; }
.faq-item .q .qm { color: var(--gold); font-weight: 900; }
.faq-item .a { color: var(--muted); font-size: 15px; margin-top: 10px; padding-left: 30px; }

/* ============ CTA 横幅 ============ */
.cta-banner {
  text-align: center; padding: 70px 40px; border-radius: 28px;
  background: linear-gradient(135deg, rgba(200, 22, 29, 0.14), rgba(200, 22, 29, 0.03));
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.cta-banner h2 { font-size: clamp(26px, 4vw, 40px); margin-bottom: 14px; }
.cta-banner p { color: var(--text-2); margin-bottom: 28px; font-size: 17px; }

/* ============ 页脚 ============ */
.footer { border-top: 1px solid var(--border-soft); padding: 60px 0 30px; margin-top: 40px; background: rgba(31,31,35,0.45); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer .brand { margin-bottom: 16px; }
.footer p.desc { color: var(--muted); font-size: 14px; max-width: 320px; }
.footer h4 { font-size: 15px; margin-bottom: 16px; color: var(--gold-2); }
.footer ul { list-style: none; }
.footer ul li { margin: 9px 0; }
.footer ul li a { color: var(--muted); font-size: 14px; transition: color .2s; }
.footer ul li a:hover { color: var(--gold-2); }
.footer-bottom { border-top: 1px solid var(--border-soft); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted-2); font-size: 13px; }
.footer-bottom a { color: var(--muted); }

/* ============ 支付弹窗 ============ */
.modal-mask { position: fixed; inset: 0; background: rgba(2,4,10,0.78); backdrop-filter: blur(6px); z-index: 300; display: none; place-items: center; padding: 20px; }
.modal-mask.show { display: grid; }
.modal { background: var(--bg-3); border: 1px solid var(--border); border-radius: 22px; padding: 36px; max-width: 460px; width: 100%; box-shadow: var(--shadow); position: relative; animation: pop .3s ease; }
@keyframes pop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal .close { position: absolute; top: 16px; right: 18px; background: none; border: 0; color: var(--muted); font-size: 26px; cursor: pointer; }
.modal h3 { font-size: 22px; margin-bottom: 6px; }
.modal .plan-sel { color: var(--gold-2); font-weight: 800; }
.modal .pay-amt { font-size: 34px; font-weight: 900; margin: 14px 0; }
.pay-methods { display: grid; gap: 12px; margin: 18px 0; }
.pay-m { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--border-soft); border-radius: 12px; cursor: pointer; transition: all .2s; }
.pay-m:hover { border-color: var(--gold); background: rgba(200, 22, 29, 0.06); }
.pay-m.sel { border-color: var(--gold); background: rgba(200, 22, 29, 0.10); }
.pay-m .pm-ic { font-size: 24px; }
.pay-m .pm-name { font-weight: 700; }
.pay-m .pm-sub { font-size: 13px; color: var(--muted); }
.qr-box { text-align: center; margin-top: 10px; display: none; }
.qr-box.show { display: block; }
.qr-img { width: 200px; height: 200px; margin: 0 auto 12px; border-radius: 14px; background: repeating-conic-gradient(#3f3f46 0% 25%, #fff 0% 50%) 50% / 18px 18px; border: 6px solid #fff; }
.modal .m-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 8px; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 480px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: rgba(255, 255, 255, 0.97); padding: 16px; border-bottom: 1px solid var(--border-soft); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-toggle { display: block; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .grid-3, .grid-2, .steps, .grid-4 { grid-template-columns: 1fr; }
  .cl-item { grid-template-columns: 1fr; gap: 8px; }
  .cl-ver { text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px 0; }
}
@media (max-width: 520px) {
  .dl-card { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ 前台交互组件（site.js：登录/注册 · 支付 · 公告 · 导航用户态） ============ */
.hidden { display: none !important; }

.jc-modal-mask {
  position: fixed; inset: 0; z-index: 320;
  background: rgba(2,4,10,0.80); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.jc-modal-mask.hidden { display: none; }
.jc-modal {
  position: relative; width: 100%; max-width: 440px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 22px; padding: 34px 32px; box-shadow: var(--shadow);
  animation: jcpop .3s ease;
}
@keyframes jcpop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.jc-modal.pay { max-width: 480px; }
.jc-close { position: absolute; top: 14px; right: 16px; background: none; border: 0; color: var(--muted); font-size: 26px; cursor: pointer; line-height: 1; }
.jc-close:hover { color: var(--gold-2); }
.jc-modal h3 { font-size: 21px; margin-bottom: 18px; }
.jc-modal input, .jc-modal textarea {
  width: 100%; padding: 13px 15px; margin-bottom: 12px; border-radius: 11px;
  background: var(--bg); border: 1px solid var(--border-soft); color: var(--text);
  font-family: inherit; font-size: 15px; transition: all .2s;
}
.jc-modal input:focus, .jc-modal textarea:focus { outline: 0; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200, 22, 29, 0.12); }
.jc-modal textarea { resize: vertical; min-height: 70px; }
.jc-row { display: flex; gap: 10px; align-items: stretch; }
.jc-row input { flex: 1 1 0; min-width: 0; margin-bottom: 12px; }
.jc-row .jc-btn { width: auto; flex: 0 0 auto; margin-bottom: 12px; }
.jc-hint { font-size: 12.5px; color: var(--muted); margin: -5px 0 10px; min-height: 16px; line-height: 1.5; word-break: break-all; }
.jc-hint.ok { color: #7fd8a4; }
.jc-hint.bad { color: #d4380d; }
.jc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border: 0; border-radius: 11px; font-weight: 700; font-size: 15px;
  cursor: pointer; transition: all .22s; width: 100%;
}
.jc-btn.gold { background: var(--gold-grad); color: #ffffff; box-shadow: var(--glow); }
.jc-btn.gold:hover { filter: brightness(1.07); }
.jc-btn.ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-soft); margin-bottom: 12px; white-space: nowrap; }
.jc-tabs { display: flex; gap: 6px; margin-bottom: 18px; background: var(--surface); border: 1px solid var(--border-soft); border-radius: 12px; padding: 5px; }
.jc-tabs span { flex: 1; text-align: center; padding: 9px 0; border-radius: 9px; font-size: 15px; font-weight: 700; color: var(--muted); cursor: pointer; transition: all .2s; }
.jc-tabs span.active { background: var(--gold-grad); color: #ffffff; }
.jc-pane { display: block; }
.jc-pane.hidden { display: none; }
.jc-err { color: #d4380d; font-size: 13px; min-height: 18px; margin-top: -4px; margin-bottom: 8px; }
.jc-sub { text-align: center; margin-top: 10px; }
.jc-sub a { color: var(--gold-2); font-size: 14px; cursor: pointer; }

/* 支付弹窗 */
.jc-pay-amt { font-size: 34px; font-weight: 900; margin: 6px 0 16px; color: var(--gold-2); }
.jc-pay-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.jc-pm { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid var(--border-soft); border-radius: 12px; cursor: pointer; transition: all .2s; }
.jc-pm:hover { border-color: var(--gold); background: rgba(200, 22, 29, 0.06); }
.jc-pm.sel { border-color: var(--gold); background: rgba(200, 22, 29, 0.10); }
.jc-pm .pm-ic { font-size: 22px; }
.jc-pm .pm-name { font-weight: 700; font-size: 15px; }
.jc-pay-qr { text-align: center; margin: 6px 0 12px; }
.jc-pay-qr .qr-img { width: 190px; height: 190px; margin: 0 auto 10px; border-radius: 14px; background: repeating-conic-gradient(#3f3f46 0% 25%, #fff 0% 50%) 50% / 16px 16px; border: 6px solid #fff; }
.jc-pay-hint { color: var(--muted); font-size: 13px; }
.jc-pay-note { color: var(--muted); font-size: 13px; text-align: center; margin-top: 10px; min-height: 18px; }
/* 收款信息展示区 */
.jc-pay-receive { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; margin-bottom: 12px; }
.jc-pay-receive .rc-title { font-weight: 700; color: var(--gold-2); margin-bottom: 8px; font-size: 15px; }
.jc-pay-receive .rc-addr { font-family: monospace; font-size: 13px; word-break: break-all; background: var(--surface); padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border-soft); }
.jc-pay-receive .rc-row { font-size: 14px; margin: 4px 0; word-break: break-all; }
.jc-pay-receive .rc-note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.jc-pay-receive .rc-qr { text-align: center; margin-bottom: 8px; }
.jc-pay-receive .rc-qr img { width: 200px; height: 200px; object-fit: contain; border-radius: 12px; background: #fff; padding: 6px; }
.jc-pay-receive .rc-empty { color: #ff6b6b; font-size: 13px; }
.rc-copy { margin-left: 8px; padding: 3px 10px; font-size: 12px; border-radius: 8px; border: 1px solid var(--gold); background: transparent; color: var(--gold-2); cursor: pointer; }
.rc-copy:hover { background: rgba(200, 22, 29, 0.12); }

/* 公告横幅 */
.jc-banner { display: flex; align-items: center; gap: 10px; padding: 12px 20px; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--border-soft); }
.jc-banner .jc-b-ic { font-size: 16px; }
.jc-banner.lv-info { background: rgba(200, 22, 29, 0.10); color: var(--gold-2); }
.jc-banner.lv-warn { background: rgba(190,100,10,0.12); color: #c2620a; }
.jc-banner.lv-danger { background: rgba(255,90,90,0.12); color: #ff8a8a; }

/* 导航用户态 */
#nav-user { display: inline-flex; align-items: center; gap: 10px; margin-left: 10px; padding-left: 12px; border-left: 1px solid var(--border-soft); }
#nav-user .nu-name { font-size: 14px; color: var(--gold-2); font-weight: 700; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#nav-user .nu-link { font-size: 14px; color: var(--text-2); cursor: pointer; }
#nav-user .nu-link:hover { color: var(--gold-2); }
#nav-user .nu-link.gold { color: var(--gold-2); font-weight: 700; }

/* 移动端：导航用户态融入竖排菜单 */
@media (max-width: 860px) {
  #nav-user { margin: 6px 0 0; padding: 12px 12px 0; border-left: 0; border-top: 1px solid var(--border-soft); flex-wrap: wrap; }
}

/* 用户下拉菜单（参考 eafxm-clone）：点击"我的 · 昵称"展开 */
.nav-user-box { position: relative; }
.user-dropdown { position: relative; display: inline-block; }
.user-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-2); border-radius: 10px; padding: 7px 12px;
  cursor: pointer; font-size: 14px; font-family: inherit; line-height: 1.2;
}
.user-chip:hover { border-color: var(--gold-2); color: var(--gold-2); }
.user-chip .chip { font-weight: 600; color: var(--gold-2); }
.user-chip .user-arrow { font-size: 11px; opacity: .7; margin-left: 2px; }
.user-menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 184px; background: var(--bg-3);
  border: 1px solid var(--border-soft); border-radius: 12px;
  box-shadow: 0 14px 34px rgba(0,0,0,.45);
  padding: 6px; z-index: 2000; display: none; flex-direction: column;
}
.user-menu.open { display: flex; }
.user-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; border-radius: 8px;
  color: var(--text); text-decoration: none; font-size: 14px; white-space: nowrap;
}
.user-menu a:hover { background: rgba(200, 22, 29, 0.14); color: var(--gold-2); }
.user-menu-divider { height: 1px; background: var(--border-soft); margin: 5px 4px; }

/* ===== 账户中心（eafxm 式 Tab 导航 + 卡片面板） ===== */
.account-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border-soft); padding-bottom: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.account-tab { padding: 9px 20px; font-size: 14px; border-radius: 999px; border: 1px solid var(--border-soft); background: transparent; color: var(--muted); cursor: pointer; font-weight: 600; transition: all .18s; position: relative; }
.account-tab:hover { color: var(--gold-2); border-color: var(--border); }
.account-tab.active { background: var(--gold-grad); color: #ffffff; border-color: transparent; font-weight: 800; }
.account-panel { animation: acFade .22s ease; }
@keyframes acFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 账号信息卡 */
.ac-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.ac-avatar { width: 62px; height: 62px; border-radius: 50%; background: var(--gold-grad); color: #ffffff; display: grid; place-items: center; font-size: 26px; font-weight: 800; flex: none; }
.ac-name { font-size: 19px; font-weight: 800; }
.ac-sub { color: var(--muted); font-size: 13px; margin-top: 3px; }
.ac-badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; margin-left: 10px; vertical-align: 2px; }
.ac-badge.admin { background: rgba(200, 22, 29, 0.15); color: var(--gold-2); border: 1px solid var(--border); }
.ac-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.ac-cell { background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; }
.ac-cell .k { color: var(--muted); font-size: 12.5px; margin-bottom: 5px; }
.ac-cell .v { font-size: 15px; font-weight: 700; word-break: break-all; }
.ac-cell .v.gold { color: var(--gold-2); }
.ac-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.ac-admin-tip { margin-top: 16px; padding: 12px 16px; border-radius: 12px; background: rgba(200,22,29,.05); border: 1px dashed var(--border); color: var(--gold-2); font-size: 13.5px; }

/* 订单状态徽章 */
.obadge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.obadge.st-pending { background: rgba(200, 22, 29, 0.12); color: var(--gold-2); border: 1px solid var(--border); }
.obadge.st-paid { background: rgba(80,150,255,.12); color: #7db4ff; border: 1px solid rgba(80,150,255,.3); }
.obadge.st-done { background: rgba(60,200,120,.12); color: #5fd68f; border: 1px solid rgba(60,200,120,.3); }
.obadge.st-rejected { background: rgba(255,90,90,.12); color: #ff8a8a; border: 1px solid rgba(255,90,90,.3); }

/* 会员中心内嵌管理后台 */
.admin-embed { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 14px; overflow: hidden; }
.admin-embed iframe { display: block; width: 100%; height: calc(100vh - 240px); min-height: 620px; border: 0; background: #0a0e17; }
.embed-bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--bg-3); border-bottom: 1px solid var(--border-soft); font-size: 13px; color: var(--muted); }
.embed-bar a { color: var(--gold-2); text-decoration: none; font-weight: 700; }
.embed-bar a:hover { text-decoration: underline; }

@media (max-width: 720px) { .ac-grid { grid-template-columns: 1fr; } }

/* ===== USDT 多链收款 + 汇率 + 同意弹窗 ===== */
.rc-rate { background: rgba(200,22,29,.05); border: 1px dashed var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; font-size: 13.5px; }
.rc-rate b { color: var(--gold-2); font-size: 15px; }
.rc-rate .rc-rate-sub { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.rc-chain-sel { background: var(--bg-3); color: var(--text); border: 1px solid var(--border-soft); border-radius: 8px; padding: 6px 10px; font-size: 13px; margin-left: 6px; }
.jc-modal.usdt-confirm { max-width: 460px; }
.uc-body { margin: 12px 0 4px; }
.uc-row { display: flex; align-items: baseline; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--border-soft); font-size: 13.5px; }
.uc-row span { color: var(--muted); flex: none; width: 74px; }
.uc-row b { word-break: break-all; }
.uc-row.gold b { color: var(--gold-2); font-size: 17px; }
.uc-row em { color: var(--muted); font-style: normal; font-size: 12px; }
.uc-row .uc-addr { font-family: ui-monospace,monospace; font-size: 12.5px; }
.uc-warn { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: rgba(200,60,40,0.07); border: 1px solid rgba(200,60,40,0.28); color: #b8391a; font-size: 12.5px; line-height: 1.8; }
.uc-warn b { color: #8a2c14; }
.uc-btns { display: flex; gap: 10px; margin-top: 16px; }
.uc-btns .jc-btn { flex: 1; padding: 11px 0; border-radius: 10px; font-weight: 700; cursor: pointer; border: 0; font-size: 14px; }
.uc-btns .jc-btn.gold { background: var(--gold-grad); color: #ffffff; }
.uc-btns .jc-btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); }

/* ===== 会员中心 v2：就地绑定/升级 + 订单卡片 + 推广 + 工单 ===== */
.ac-cell .cell-act { margin-top: 8px; }
.btn-xs { display: inline-block; padding: 4px 12px; border-radius: 8px; font-size: 12.5px; font-weight: 700; cursor: pointer; border: 1px solid var(--border); background: var(--bg-3); color: var(--text); text-decoration: none; }
.btn-xs:hover { border-color: var(--gold-2); color: var(--gold-2); }
.btn-xs.gold { background: var(--gold-grad); color: #ffffff; border: 0; }
.btn-xs.gold:hover { filter: brightness(1.08); color: #ffffff; }
.btn-xs:disabled { opacity: .5; cursor: not-allowed; }
.bind-row { background: var(--bg-2); border: 1px dashed var(--border); border-radius: 12px; padding: 14px 16px; margin: 6px 0 14px; }
.bind-row h4 { margin: 0 0 10px; font-size: 14.5px; color: var(--gold-2); }
.bind-row input { width: 100%; box-sizing: border-box; background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 8px; padding: 9px 12px; color: var(--text); font-size: 13.5px; }
.bind-row input:focus { outline: none; border-color: var(--gold-2); }
/* 订单卡片 */
.od-list { display: grid; gap: 12px; }
.od-card { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; transition: border-color .2s; }
.od-card:hover { border-color: var(--gold-2); }
.od-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.od-no { font-family: ui-monospace, monospace; font-size: 12.5px; color: var(--muted); }
.od-main { display: flex; align-items: baseline; gap: 12px; margin: 8px 0 6px; }
.od-plan { font-size: 16.5px; font-weight: 800; }
.od-amt { font-size: 20px; font-weight: 900; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.od-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 12.5px; }
/* 我的推广 */
.ref-box { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; margin: 12px 0; }
.ref-code { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.ref-code .k { color: var(--muted); font-size: 13px; }
.ref-code b { font-size: 22px; font-weight: 900; letter-spacing: 2px; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ref-link { display: flex; gap: 8px; }
.ref-link input { flex: 1; min-width: 0; background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 8px; padding: 8px 12px; color: var(--muted); font-size: 12.5px; }
.ref-stats { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.ref-stats .rs { flex: 1; min-width: 120px; background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; text-align: center; }
.ref-stats .rs .n { font-size: 24px; font-weight: 900; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ref-stats .rs .l { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
/* 工单 */
.tk-new { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 14px 16px; margin-bottom: 16px; }
.tk-new h4 { margin: 0 0 10px; font-size: 14.5px; }
.tk-new input, .tk-new textarea { width: 100%; box-sizing: border-box; background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 8px; padding: 9px 12px; color: var(--text); font-size: 13.5px; resize: vertical; }
.tk-new input:focus, .tk-new textarea:focus { outline: none; border-color: var(--gold-2); }
.tk-item { background: var(--bg-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 12px 16px; margin-bottom: 10px; cursor: pointer; }
.tk-item:hover { border-color: var(--gold-2); }
.tk-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tk-meta { color: var(--muted); font-size: 12px; margin-top: 6px; }
.tk-detail { margin-top: 12px; border-top: 1px dashed var(--border-soft); padding-top: 12px; }
.tk-chat { display: flex; flex-direction: column; gap: 10px; max-height: 340px; overflow-y: auto; }
.tk-msg { display: flex; flex-direction: column; }
.tk-msg.me { align-items: flex-end; }
.tk-msg.admin { align-items: flex-start; }
.tk-bubble { max-width: 80%; padding: 9px 13px; border-radius: 12px; font-size: 13.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.tk-msg.me .tk-bubble { background: var(--gold-grad); color: #ffffff; border-bottom-right-radius: 3px; }
.tk-msg.admin .tk-bubble { background: var(--bg-3); border: 1px solid var(--border-soft); border-bottom-left-radius: 3px; }
.tk-t { color: var(--muted); font-size: 11.5px; margin-top: 4px; }
.tk-detail input { background: var(--bg-3); border: 1px solid var(--border-soft); border-radius: 8px; padding: 8px 12px; color: var(--text); font-size: 13px; }
.tk-detail input:focus { outline: none; border-color: var(--gold-2); }

/* ============ 视频讲解（功能介绍页底部） ============ */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); overflow: hidden; transition: all .25s;
}
.video-card.has-link { cursor: pointer; }
.video-card.has-link:hover { transform: translateY(-4px); border-color: var(--gold); box-shadow: var(--shadow); }
.video-card .vc-cover { position: relative; aspect-ratio: 16 / 9; background: var(--surface-2); }
.video-card .vc-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-card .vc-noimg {
  width: 100%; height: 100%; display: grid; place-items: center; font-size: 44px; color: var(--muted);
  background: linear-gradient(135deg, rgba(200, 22, 29, 0.10), rgba(200, 22, 29, 0.02));
}
.video-card .vc-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(200, 22, 29, 0.92); color: #ffffff;
  display: grid; place-items: center; font-size: 20px; padding-left: 4px;
  box-shadow: var(--glow);
}
.video-card.placeholder .vc-noimg { font-size: 40px; }
.video-card .vc-body { padding: 18px 20px 22px; }
.video-card .vc-body h3 { font-size: 17px; margin-bottom: 8px; }
.video-card .vc-body p { color: var(--muted); font-size: 14px; }
@media (max-width: 960px) { .video-grid { grid-template-columns: 1fr; } }