/* ============================================================
   智未来 AI 学院 · 官网 v1.29（阶段 A 工程版）
   样式源自 09-官网与付费墙原型.html，工程化拆分
   新增模块：登录注册弹窗、导航用户区、AI 助教悬浮按钮（文末标注）
   ============================================================ */

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif; background:#f6f7f9; color:#1c2733; padding-bottom:64px; font-variant-numeric:tabular-nums; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; text-rendering:optimizeLegibility; }
.nw { white-space:nowrap; }
.wrap { max-width:1080px; margin:0 auto; padding:0 20px; }
nav { position:sticky; top:0; z-index:50; background:#0B2A52; transition:background .25s, box-shadow .25s; }
nav.scrolled { background:rgba(9,30,58,.88); backdrop-filter:blur(14px) saturate(1.5); -webkit-backdrop-filter:blur(14px) saturate(1.5); box-shadow:0 6px 24px rgba(3,14,28,.35); }
.nav-in { max-width:1080px; margin:0 auto; padding:0 20px; height:56px; display:flex; align-items:center; gap:24px; }
.logo { color:#fff; font-weight:700; font-size:17px; cursor:pointer; display:flex; align-items:center; gap:8px; white-space:nowrap; }
.logo em { color:#C9A24B; font-style:normal; }
.logo-mark { display:flex; align-items:center; flex:none; }
.logo-mark svg { display:block; }
.logo-tmp { font-size:10px; color:#6d83a3; font-weight:400; letter-spacing:.2px; }
.nav-link { color:#c7d2e2; font-size:14px; cursor:pointer; white-space:nowrap; }
/* 导航链接组：桌面端横向排列（移动端断点内改为整行横向滚动） */
.nav-links { display:flex; align-items:center; gap:24px; }
.nav-link:hover { color:#fff; }
.nav-cta { margin-left:auto; background:#C9A24B; color:#221708; font-weight:600; padding:8px 18px; border-radius:10px; font-size:14px; cursor:pointer; white-space:nowrap; flex:none; }
.nav-login { flex:none; }
.view { display:none; padding-bottom:40px; }
.view.on { display:block; }

/* ---- Hero（v2 UI 升级：深空渐变 + 网格纹理 + 金色光晕 + 双栏布局） ---- */
.hero { position:relative; overflow:hidden; color:#fff; padding:88px 0 76px;
  background:
    radial-gradient(1100px 480px at 80% -12%, rgba(201,162,75,.16), transparent 60%),
    radial-gradient(900px 540px at -10% 110%, rgba(32,96,178,.30), transparent 55%),
    linear-gradient(160deg,#103567 0%, #0B2A52 46%, #071B36 100%); }
.hero:before { content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(139,161,189,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,161,189,.07) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%); }
/* 抽象 AI 图形（同心环 + 节点上升曲线，与 logo 同语言） */
.hero-art { position:absolute; right:-70px; top:-90px; width:560px; height:560px; pointer-events:none; z-index:0; }
.hero:after { content:""; position:absolute; width:560px; height:560px; right:-70px; top:-90px; border-radius:50%; pointer-events:none;
  background:radial-gradient(circle, rgba(201,162,75,.18), transparent 62%); filter:blur(14px); }
.hero .wrap { position:relative; z-index:1; }
.hero-grid { display:grid; grid-template-columns:1.26fr .74fr; gap:44px; align-items:center; }
@media (max-width:980px){ .hero-grid { grid-template-columns:1fr; gap:36px; } .hero { padding:64px 0 56px; } }
.hero .tagline { color:#C9A24B; font-size:13px; letter-spacing:3px; margin-bottom:12px; }
.hero h1 { font-size:clamp(32px, 4.4vw, 50px); line-height:1.28; font-weight:800; letter-spacing:.5px; text-wrap:balance; }
.hero h1 b { color:#C9A24B; }
.hero .sub { color:#9db0c8; margin:16px 0 28px; font-size:16px; line-height:1.75; max-width:640px; }
.hero-live { display:inline-flex; align-items:center; gap:8px; color:#e8cf9a; font-size:13px; margin-bottom:18px; background:rgba(201,162,75,.12); padding:6px 14px; border-radius:20px; border:1px solid rgba(201,162,75,.35); }
.hero-live b { display:inline-block; font-weight:800; }
.hero-live b.bump { animation:bump .5s ease; }
.dot { width:8px; height:8px; border-radius:50%; background:#3ecf8e; display:inline-block; box-shadow:0 0 8px rgba(62,207,142,.8); animation:livePulse 1.6s infinite; }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary { background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; font-weight:700; font-size:17px; padding:14px 34px; border-radius:10px; border:1px solid #A87F2E; cursor:pointer; box-shadow:0 2px 0 #A87F2E, 0 8px 20px rgba(201,162,75,.22); transition:transform .16s ease, box-shadow .16s ease, filter .16s; }
.btn-primary:hover { filter:brightness(1.07); transform:translateY(-2px); box-shadow:0 2px 0 #A87F2E, 0 12px 28px rgba(201,162,75,.4); }
.btn-primary:active { transform:scale(.98); filter:brightness(.97); }
.btn-primary small { display:block; font-weight:400; font-size:11px; margin-top:2px; }
.btn-ghost { background:transparent; color:#c7d2e2; border:1px solid #38507a; padding:14px 24px; border-radius:10px; cursor:pointer; font-size:15px; transition:border-color .18s, color .18s; }
.btn-ghost:hover { border-color:#C9A24B; color:#fff; }
.hero-stats { display:flex; gap:38px; margin-top:38px; flex-wrap:wrap; }
.stat .n { color:#fff; font-size:28px; font-weight:800; }
.stat .n em { color:#C9A24B; font-style:normal; font-size:16px; }
.stat .l { color:#8ba1bd; font-size:12px; margin-top:5px; }
.batch-note { display:inline-block; margin-top:24px; background:rgba(201,162,75,.14); border:1px solid rgba(201,162,75,.4); color:#e8cf9a; font-size:12px; padding:6px 12px; border-radius:6px; }

/* ---- Hero 右栏：AI 助教实时演示窗（打字机对话） ---- */
.ai-demo { background:rgba(255,255,255,.06); border:1px solid rgba(139,161,189,.28); border-radius:16px; overflow:hidden; backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px); box-shadow:0 24px 60px rgba(3,14,28,.45); }
.ad-head { display:flex; align-items:center; gap:9px; padding:13px 16px; background:rgba(7,24,46,.55); border-bottom:1px solid rgba(139,161,189,.18); font-size:13.5px; font-weight:700; color:#fff; }
.ad-head small { margin-left:auto; font-weight:400; font-size:11px; color:#8ba1bd; }
.ad-dot { width:8px; height:8px; border-radius:50%; background:#3ecf8e; box-shadow:0 0 8px rgba(62,207,142,.9); animation:livePulse 1.6s infinite; flex:none; }
.ad-body { height:252px; padding:14px; display:flex; flex-direction:column; justify-content:flex-end; gap:10px; overflow:hidden; }
.ad-m { max-width:88%; border-radius:14px; padding:9px 13px; font-size:12.5px; line-height:1.65; word-break:break-word; }
.ad-m.user { align-self:flex-end; background:#C9A24B; color:#221708; border-bottom-right-radius:4px; font-weight:600; }
.ad-m.bot { align-self:flex-start; background:rgba(255,255,255,.95); color:#22314a; border-bottom-left-radius:4px; }
.ad-tag { display:block; margin-top:6px; font-size:10px; color:#8a6d2f; }
.ad-typing { display:inline-flex; gap:4px; padding:3px 2px; }
.ad-typing i { width:6px; height:6px; border-radius:50%; background:#8ba1bd; animation:aiBlink 1s infinite; }
.ad-typing i:nth-child(2) { animation-delay:.2s; }
.ad-typing i:nth-child(3) { animation-delay:.4s; }
.ad-ask { display:flex; gap:8px; padding:12px 14px; border-top:1px solid rgba(139,161,189,.18); }
.ad-ask input { flex:1; background:rgba(255,255,255,.08); border:1px solid rgba(139,161,189,.3); color:#fff; border-radius:10px; padding:10px 13px; font-size:12.5px; outline:none; }
.ad-ask input::placeholder { color:#8ba1bd; }
.ad-ask button { background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; border:1px solid #A87F2E; border-radius:10px; padding:0 16px; font-weight:700; font-size:13px; cursor:pointer; transition:filter .16s, transform .12s; }
.ad-ask button:hover { filter:brightness(1.07); }
.ad-ask button:active { transform:scale(.96); }

section.block { margin-top:48px; }
h2.sec { font-size:24px; font-weight:800; margin-bottom:8px; letter-spacing:.3px; }
p.sec-sub { color:#6b7684; font-size:14px; margin-bottom:20px; }

.who { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
.who .w { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:20px; }
.wicon { width:36px; height:36px; border-radius:10px; background:rgba(201,162,75,.12); border:1px solid rgba(201,162,75,.28); display:flex; align-items:center; justify-content:center; margin-bottom:12px; }
.who .w b { display:block; font-size:15px; color:#0B2A52; margin-bottom:6px; }
.who .w .pain { font-size:12px; color:#a05252; margin-bottom:8px; }
.who .w p { font-size:13px; color:#4a5560; line-height:1.7; }

.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:16px; }
/* ---- 课程卡片（v3 UI：真实感封面图 + 压暗层 + 学院色渐变兜底 + 悬浮立体） ---- */
.card { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:0; cursor:pointer; position:relative; overflow:hidden; display:flex; flex-direction:column; transition:transform .18s ease, box-shadow .18s ease, border-color .18s; }
.card:hover { transform:translateY(-4px); box-shadow:0 14px 34px rgba(11,42,82,.16); border-color:#d5c9a8; }
.cover { position:relative; height:150px; padding:12px 14px; display:flex; flex-direction:column; justify-content:space-between; overflow:hidden; }
.cover:after { content:""; position:absolute; inset:0; pointer-events:none; z-index:2; background:linear-gradient(115deg, transparent 32%, rgba(255,255,255,.09) 47%, transparent 62%); }
/* 真实感封面图（首发课 12 门；其余课程回退学院色渐变 cv0-cv8） */
.cv-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 42%; z-index:0; }
.cv-shade { position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(180deg, rgba(4,15,32,.52) 0%, rgba(4,15,32,.24) 38%, rgba(4,15,32,.62) 72%, rgba(4,15,32,.90) 100%); }
.cv-top { display:flex; gap:6px; align-items:center; position:relative; z-index:3; }
.cv-cat { font-size:11px; color:rgba(255,255,255,.92); background:rgba(0,0,0,.28); padding:2px 10px; border-radius:999px; }
.cv-hot { font-size:11px; color:#221708; background:#C9A24B; padding:2px 10px; border-radius:999px; font-weight:700; }
.cv-tools { display:flex; gap:5px; flex-wrap:wrap; position:relative; z-index:3; }
.cv-tools span { font-size:10.5px; color:rgba(255,255,255,.85); border:1px solid rgba(255,255,255,.3); padding:1px 8px; border-radius:4px; }
.cv-no { position:absolute; right:10px; bottom:0px; z-index:3; font-size:38px; font-weight:800; color:rgba(255,255,255,.10); letter-spacing:1px; font-family:Georgia,serif; line-height:1; } /* v1.21fix：编号水印降存在感（.16 抢了标签的焦点，截图实测过载） */
.cv-lock { position:absolute; right:10px; top:10px; z-index:3; font-size:11px; color:rgba(255,255,255,.92); background:rgba(0,0,0,.34); padding:2px 8px; border-radius:4px; }
.cv-lock.ok { background:rgba(201,162,75,.92); color:#221708; font-weight:700; }
.card .t { font-size:15px; font-weight:600; line-height:1.45; padding:14px 16px 0; }
.card .d { color:#6b7684; font-size:12px; margin:8px 0 12px; line-height:1.6; padding:0 16px; }
.card .p { color:#8a6d2f; font-weight:700; font-size:15px; margin-top:auto; padding:10px 16px 14px; }
.card .p span { font-size:11px; color:#9aa4b0; font-weight:400; margin-left:6px; }
/* 九大学院封面配色（深色系，贴品牌深蓝金基调） */
.cv0 { background:linear-gradient(135deg,#0E3A6B,#1B5FA8); }
.cv1 { background:linear-gradient(135deg,#2C2A6E,#5B4FA8); }
.cv2 { background:linear-gradient(135deg,#5A2A52,#8F3F7A); }
.cv3 { background:linear-gradient(135deg,#0C4A46,#15857A); }
.cv4 { background:linear-gradient(135deg,#123A5E,#2E7CC4); }
.cv5 { background:linear-gradient(135deg,#5C4515,#A07A28); }
.cv6 { background:linear-gradient(135deg,#2A3B4E,#4A6480); }
.cv7 { background:linear-gradient(135deg,#1F2E63,#4457B0); }
.cv8 { background:linear-gradient(135deg,#552033,#93465E); }

.cat-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:20px; }
.cat-tab { padding:8px 16px; border-radius:20px; border:1px solid #d5dbe3; background:#fff; font-size:13px; cursor:pointer; color:#4a5560; }
.cat-tab.on { background:#0B2A52; color:#fff; border-color:#0B2A52; }

/* ---- 课程详情页头（v2 第二轮：学院色渐变横幅，复用九色封面语言） ---- */
.detail-head { position:relative; overflow:hidden; border-radius:14px; padding:0; margin-top:24px; color:#fff; }
.dh-bg { position:absolute; inset:0; }
.dh-bg.has-img img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 34%; }
.dh-bg:after { content:""; position:absolute; inset:0; background:linear-gradient(115deg, transparent 32%, rgba(255,255,255,.09) 47%, transparent 62%), linear-gradient(180deg, rgba(4,16,32,.30), rgba(4,16,32,.74)); }
.dh-in { position:relative; z-index:1; padding:30px 32px; }
.crumb { color:#8a94a0; font-size:12px; cursor:pointer; margin-bottom:12px; }
.detail-head .crumb { color:rgba(255,255,255,.78); font-size:13px; }
.detail-head .crumb:hover { color:#fff; }
.detail-head h1 { font-size:26px; font-weight:800; color:#fff; text-wrap:balance; }
.detail-tags { margin:12px 0 14px; }
.detail-tags span { font-size:12px; color:rgba(255,255,255,.92); background:rgba(255,255,255,.14); padding:3px 12px; border-radius:999px; margin-right:8px; display:inline-block; margin-bottom:6px; }
.dh-social { font-size:12.5px; color:#e8cf9a; margin:0 0 12px; letter-spacing:.3px; }
.dh-social b { font-weight:800; color:#fff; }
.detail-price { color:rgba(255,255,255,.85); font-size:15px; margin-top:6px; display:flex; flex-wrap:wrap; align-items:center; gap:6px 12px; }
.detail-price b { font-size:30px; color:#fff; }
.detail-price .mem { color:#221708; background:#C9A24B; font-size:12px; font-weight:700; padding:3px 10px; border-radius:999px; white-space:nowrap; }

.painbox { background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.22); border-radius:14px; padding:20px 24px; margin-top:18px; }
.painbox .pq { font-size:15px; color:#fff; font-weight:600; line-height:1.7; }
.painbox .pq:before { content:"“"; font-size:26px; color:#e8cf9a; font-weight:700; margin-right:4px; }
.painbox .pa { font-size:12px; color:rgba(255,255,255,.68); margin-top:8px; }

.infobox { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:24px 28px; margin-top:18px; }
.infobox h3 { font-size:15px; margin-bottom:14px; color:#0B2A52; }
.gains li { list-style:none; font-size:14px; color:#2c3640; padding:7px 0 7px 26px; position:relative; line-height:1.6; }
.gains li:before { content:"✓"; position:absolute; left:0; color:#C9A24B; font-weight:700; }
.fitlist { display:flex; gap:10px; flex-wrap:wrap; }
.fitlist span { font-size:13px; background:#e8f0fb; color:#0B2A52; padding:6px 14px; border-radius:999px; }
.fitlist .nf { background:#f0f2f5; color:#8a94a0; }

.syllabus { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:24px 28px; margin-top:18px; }
.syllabus h3 { font-size:15px; margin-bottom:4px; }
.syllabus .sn { font-size:12px; color:#8a94a0; margin-bottom:14px; }
.lesson { display:flex; align-items:center; gap:12px; padding:11px 0; border-bottom:1px solid #f0f2f5; font-size:14px; color:#2c3640; cursor:pointer; }
.lesson:last-child { border:none; }
.lesson .no { color:#b8c0c9; font-size:12px; width:24px; }
.lesson .lk { color:#d5a93e; }
.lesson .free { color:#1a9e75; font-size:12px; }
.lesson .dur { margin-left:auto; color:#b8c0c9; font-size:12px; }

/* ---- 卡片语言三选一（v3 去同质化）：定价质疑=深色论述 / 常见问题=Q&A 条 / 权益=编号卡头 ---- */
.qa { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:26px; }
.qa h3 { font-size:16px; margin-bottom:8px; }
.qa .q { font-size:14px; color:#2c3640; font-weight:600; margin-top:16px; }
.qa .a { font-size:13px; color:#6b7684; line-height:1.8; margin-top:6px; padding-left:12px; border-left:2px solid #C9A24B; }

/* 语言 A：定价质疑——深色论述卡（首页打破白卡节奏） */
.qa.price-argue { background:linear-gradient(150deg,#0C3260 0%, #0B2A52 45%, #071B36 100%); border:none; padding:32px 34px; box-shadow:0 20px 48px rgba(7,27,54,.24); }
.qa.price-argue h3 { font-size:19px; color:#fff; letter-spacing:.4px; margin-bottom:4px; }
.qa.price-argue .q { font-size:12.5px; color:#e8cf9a; font-weight:700; letter-spacing:1.6px; margin-top:24px; }
.qa.price-argue .a { font-size:13.5px; color:#c7d2e2; line-height:1.9; margin-top:10px; padding:14px 16px; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.13); border-left:2px solid #C9A24B; border-radius:10px; }

/* 语言 B：常见问题——Q&A 条目流 */
.qa.faq { background:#fff; border:1px solid #e5e9ef; border-left:3px solid #C9A24B; padding:26px 28px; }
.qa.faq h3 { font-size:17px; color:#0B2A52; margin-bottom:2px; }
.qa.faq .q { font-size:13.5px; color:#2c3640; font-weight:700; margin-top:18px; display:flex; gap:9px; align-items:baseline; }
.qa.faq .q:before { content:"Q"; flex:none; color:#C9A24B; font-weight:800; font-size:12px; letter-spacing:.5px; }
.qa.faq .a { font-size:13px; color:#6b7684; line-height:1.85; margin-top:7px; padding-left:21px; border-left:none; }

/* 语言 C：论述卡——顶部金线 + 序号 */
.story { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px; }
.story .s { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:26px 22px 22px; position:relative; overflow:hidden; }
.story .s:before { content:""; position:absolute; left:0; top:0; right:0; height:3px; background:linear-gradient(90deg,#C9A24B,rgba(201,162,75,.12)); }
.story .sn { display:block; font-family:Georgia,serif; font-size:12px; font-weight:800; letter-spacing:2.5px; color:#C9A24B; margin-bottom:10px; }
.story .s b { display:block; font-size:16px; margin-bottom:10px; color:#0B2A52; letter-spacing:.6px; }
.story .s p { font-size:13px; color:#6b7684; line-height:1.8; }

.member-hero { background:#0B2A52; color:#fff; padding:40px 0 42px; text-align:center; }
.mem-price { font-size:clamp(48px,5vw,64px); font-weight:800; color:#C9A24B; line-height:1.1; }
.mem-price span { font-size:14px; color:#e8cf9a; font-weight:500; margin-left:6px; }
.tiers { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; }
.tier { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:0; overflow:hidden; display:flex; flex-direction:column; transition:transform .18s ease, box-shadow .18s ease, border-color .18s; }
.tier:hover { transform:translateY(-3px); box-shadow:0 12px 28px rgba(11,42,82,.13); border-color:#d5c9a8; }
.tier .th { background:linear-gradient(135deg,#0B2A52,#17508e); color:#fff; padding:15px 18px; display:flex; align-items:center; gap:10px; }
.tier:nth-child(2) .th { background:linear-gradient(135deg,#123A63,#1E5FA8); }
.tier:nth-child(3) .th { background:linear-gradient(135deg,#153F63,#2E7CC4); }
.tier:nth-child(4) .th { background:linear-gradient(135deg,#5C4515,#A07A28); }
.tier .th i { font-style:normal; font-family:Georgia,serif; font-size:11px; font-weight:800; letter-spacing:1.2px; color:#e8cf9a; border:1px solid rgba(232,207,154,.45); padding:1px 7px; border-radius:4px; }
.tier .th b { font-size:15px; font-weight:700; letter-spacing:.5px; }
.tier ul { list-style:none; padding:16px 18px 18px; flex:1; }
.tier li { font-size:13px; color:#4a5560; padding:6px 0 6px 18px; position:relative; line-height:1.6; }
.tier li:before { content:"✓"; position:absolute; left:0; color:#C9A24B; }
.timeline { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:24px; }
.tl-row { display:flex; align-items:center; gap:16px; padding:12px 0; border-bottom:1px solid #f0f2f5; font-size:14px; }
.tl-row:last-child { border:none; }
.tl-row .p { font-weight:700; color:#8a6d2f; width:64px; }
.tl-row .when { color:#8a94a0; font-size:12px; width:110px; }
.tl-row.now .p { color:#0B2A52; }

.pw-mask { position:fixed; inset:0; background:rgba(11,42,82,.55); display:none; align-items:center; justify-content:center; padding:20px; z-index:100; }
.pw-modal { background:#fff; border-radius:18px; max-width:520px; width:100%; max-height:calc(100dvh - 40px); overflow-y:auto; -webkit-overflow-scrolling:touch; padding:28px 30px 22px; position:relative; animation:up .25s ease; box-shadow:0 30px 80px rgba(3,14,28,.35); }
@keyframes up { from { transform:translateY(40px); opacity:0; } to { transform:none; opacity:1; } }
.pw-close { position:absolute; top:6px; right:6px; width:40px; height:40px; display:flex; align-items:center; justify-content:center; color:#b8c0c9; font-size:20px; cursor:pointer; background:none; border:none; border-radius:50%; }
.pw-modal .cmp { font-size:13px; color:#8a94a0; }
.pw-modal .cmp b { color:#8a6d2f; text-decoration:line-through; text-decoration-color:rgba(138,109,47,.4); }
.pw-modal .big { margin-top:6px; }
.pw-modal .big .n { font-size:40px; font-weight:800; color:#8a6d2f; }
.pw-modal .big .n small { font-size:14px; font-weight:400; }
.pw-modal .big .all { font-size:13px; color:#2c3640; font-weight:600; margin-left:10px; }
.pw-list { margin:16px 0 6px; }
.pw-list li { list-style:none; font-size:14px; color:#2c3640; padding:7px 0 7px 26px; position:relative; line-height:1.55; }
.pw-list li:before { content:"✓"; position:absolute; left:2px; color:#C9A24B; font-weight:700; }
.pw-list li b { color:#8a6d2f; }
.pw-main { width:100%; background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; font-size:19px; font-weight:800; padding:16px; border-radius:10px; border:1px solid #A87F2E; box-shadow:0 2px 0 #A87F2E, 0 8px 22px rgba(201,162,75,.25); cursor:pointer; margin-top:14px; transition:transform .16s ease, filter .16s, box-shadow .16s; }
.pw-main:hover { filter:brightness(1.07); transform:translateY(-2px); box-shadow:0 2px 0 #A87F2E, 0 12px 28px rgba(201,162,75,.4); }
.pw-main:active { transform:scale(.98); filter:brightness(.97); }
.pw-main small { display:block; font-size:12px; font-weight:400; margin-top:3px; }
.pw-single { width:100%; background:none; color:#b8c0c9; font-size:13px; padding:10px; border-radius:10px; border:1px dashed #d5dbe3; margin-top:10px; text-align:center; }
.pw-skip { display:block; text-align:center; margin-top:10px; padding:10px 0; color:#8a94a0; font-size:13px; cursor:pointer; }
.pw-skip:hover { color:#0B2A52; }
.pw-social { text-align:center; font-size:12px; color:#8a94a0; margin-top:12px; }
.pw-social .dot { margin-right:5px; }

.sticky { position:fixed; bottom:0; left:0; right:0; background:#0B2A52; z-index:60; padding:10px 0 calc(10px + env(safe-area-inset-bottom)); }
.sticky-in { max-width:1080px; margin:0 auto; padding:0 20px; display:flex; align-items:center; gap:16px; }
.sticky .sx { color:#fff; font-size:13px; white-space:nowrap; }
.sticky .sx b { color:#C9A24B; font-size:20px; }
.sticky .go { margin-left:auto; background:#C9A24B; color:#221708; font-weight:700; padding:10px 28px; border-radius:10px; border:none; font-size:15px; cursor:pointer; white-space:nowrap; flex:none; }
.sticky .sx-sub { color:rgba(255,255,255,.78); }

.toast-mask { position:fixed; inset:0; background:rgba(11,42,82,.5); display:none; align-items:center; justify-content:center; z-index:130; }
.toast { background:#fff; border-radius:14px; padding:32px 40px; text-align:center; max-width:380px; }
.toast b { display:block; font-size:17px; margin-bottom:10px; }
.toast p { font-size:13px; color:#6b7684; line-height:1.7; margin-bottom:18px; }
.toast button { background:#0B2A52; color:#fff; border:none; padding:9px 28px; border-radius:10px; cursor:pointer; font-size:14px; }
footer { background:#0B2A52; color:#8ba1bd; padding:28px 0; font-size:12px; line-height:1.8; }
.foot-note { color:#6b7684; font-size:12px; margin-top:24px; padding:14px; background:#eef1f5; border-radius:10px; line-height:1.8; }

.who .w { cursor:pointer; transition:transform .18s ease, box-shadow .18s ease; position:relative; }
.who .w:hover { transform:translateY(-3px); box-shadow:0 10px 26px rgba(11,42,82,.13); }
.who .w .go-arrow { position:absolute; right:16px; bottom:14px; font-size:12px; color:#8a6d2f; }

.searchbox { display:flex; gap:0; margin-bottom:14px; max-width:560px; }
.searchbox input { flex:1; border:1px solid #d5dbe3; border-right:none; border-radius:10px 0 0 10px; padding:12px 16px; font-size:14px; outline:none; }
.searchbox button { background:#0B2A52; color:#fff; border:none; border-radius:0 10px 10px 0; padding:0 22px; font-size:14px; cursor:pointer; }
.tagwall { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.tagwall .tw-t { font-size:13px; color:#6b7684; margin-right:4px; }
.tag { background:#fff; border:1px solid #d5dbe3; border-radius:20px; padding:7px 16px; font-size:13px; color:#2c3640; cursor:pointer; }
.tag:hover { border-color:#C9A24B; color:#8a6d2f; }

/* ---- 人群落地页 Hero（v2 第二轮：深空渐变 + 网格纹理 + 首屏 CTA） ---- */
.p-hero { position:relative; overflow:hidden; color:#fff; padding:60px 0 52px;
  background:
    radial-gradient(1000px 420px at 82% -10%, rgba(201,162,75,.15), transparent 60%),
    radial-gradient(800px 460px at -8% 110%, rgba(32,96,178,.26), transparent 55%),
    linear-gradient(160deg,#103567 0%, #0B2A52 46%, #071B36 100%); }
.p-hero:before { content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(139,161,189,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,161,189,.07) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%); }
.p-hero .wrap { position:relative; z-index:1; }
.p-hero .pk { color:#C9A24B; font-size:13px; letter-spacing:2px; margin-bottom:8px; }
.p-hero h1 { font-size:30px; font-weight:800; line-height:1.4; text-wrap:balance; max-width:720px; }
.p-hero .pi { color:#9db0c8; font-size:14px; margin-top:12px; line-height:1.7; max-width:640px; }
.p-cta-row { display:flex; gap:12px; flex-wrap:wrap; margin-top:26px; }
.p-pains { background:#fdf3f3; border:1px solid #ecd9d9; border-radius:14px; padding:20px 24px; margin-top:20px; }
.p-pains .pp { font-size:14px; color:#7a3b3b; padding:6px 0; line-height:1.7; }
.p-pains .pp:before { content:"“"; color:#c0392b; font-weight:800; font-size:20px; margin-right:8px; font-family:Georgia,serif; }
.p-pains .pp:after { content:"”"; color:#c0392b; font-weight:800; font-size:20px; margin-left:8px; font-family:Georgia,serif; }
.pathrow { display:flex; gap:14px; flex-wrap:wrap; }
.pathstep { flex:1; min-width:200px; background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:18px; }
.pathstep b { display:block; color:#8a6d2f; font-size:13px; margin-bottom:6px; }
.pathstep span { font-size:13px; color:#4a5560; line-height:1.7; }
.pathstep .arr { color:#C9A24B; font-size:18px; display:block; margin-top:8px; }
.card .why { font-size:11px; color:#8a6d2f; margin:6px 0 0; line-height:1.5; }
.cta-card { background:#0B2A52; border-radius:14px; padding:28px; color:#fff; display:flex; align-items:center; gap:24px; flex-wrap:wrap; }
.cta-card .cct { flex:1; min-width:260px; }
.cta-card .cct b { color:#C9A24B; }
.cta-card .cct p { color:#c7d2e2; font-size:13px; margin-top:8px; line-height:1.7; }
.cta-card button { background:#C9A24B; color:#221708; border:none; font-size:17px; font-weight:800; padding:14px 32px; border-radius:10px; cursor:pointer; }
.freehook { background:#fff; border:1px dashed #C9A24B; border-radius:14px; padding:16px 22px; font-size:14px; color:#4a5560; display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.freehook b { color:#8a6d2f; }
.freehook button { background:none; border:1px solid #C9A24B; color:#8a6d2f; border-radius:10px; padding:7px 18px; cursor:pointer; font-size:13px; margin-left:auto; }

.fcard { background:#fff; border:1px solid #d9e9df; border-radius:14px; padding:18px; position:relative; cursor:default; transition:transform .18s ease, box-shadow .18s ease; }
.fcard:hover { transform:translateY(-3px); box-shadow:0 10px 26px rgba(26,158,117,.12); }
.fcard .fbadge { position:absolute; top:14px; right:14px; background:#e4f5ec; color:#1a9e75; font-size:11px; padding:3px 10px; border-radius:4px; font-weight:600; }
.fcard b { font-size:15px; display:block; margin-bottom:6px; }
.fcard p { font-size:12px; color:#6b7684; line-height:1.6; margin-bottom:12px; }
.fbtns { display:flex; gap:10px; flex-wrap:wrap; }
.fbtns .watch { background:#1a9e75; color:#fff; border:none; border-radius:10px; padding:8px 18px; font-size:13px; cursor:pointer; }
.fbtns .sys { background:none; border:1px solid #d5dbe3; color:#8a6d2f; border-radius:10px; padding:8px 14px; font-size:12px; cursor:pointer; }
.scard { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:18px; transition:transform .18s ease, box-shadow .18s ease; }
.scard:hover { transform:translateY(-3px); box-shadow:0 10px 26px rgba(11,42,82,.12); }
.scard .stag { display:inline-block; font-size:11px; padding:2px 10px; border-radius:4px; background:#e8f0fb; color:#0B2A52; margin-bottom:8px; }
.scard b { font-size:15px; display:block; margin-bottom:6px; }
.scard p { font-size:12px; color:#6b7684; line-height:1.6; margin-bottom:10px; }
.scard .meta { font-size:11px; color:#8a94a0; margin-bottom:12px; }
.scard button { background:#0B2A52; color:#fff; border:none; border-radius:10px; padding:8px 16px; font-size:12px; cursor:pointer; }

/* ============================================================
   以下为 v1 新增：登录注册系统（12 号 §1）+ 导航用户区 + AI 助教入口
   ============================================================ */

/* 导航右侧登录 / 用户区 */
.nav-auth { margin-left:12px; display:flex; align-items:center; }
.nav-login { color:#e8cf9a; border:1px solid rgba(201,162,75,.55); padding:6px 14px; border-radius:10px; font-size:13px; cursor:pointer; white-space:nowrap; }
.nav-login:hover { background:rgba(201,162,75,.15); }
.nav-user { position:relative; display:flex; align-items:center; gap:8px; color:#fff; font-size:13px; cursor:pointer; white-space:nowrap; }
.nu-phone { color:#fff; }
.nu-tag { font-size:10px; color:#e8cf9a; border:1px solid rgba(201,162,75,.5); padding:1px 8px; border-radius:10px; }
.user-menu { position:absolute; top:calc(100% + 10px); right:0; background:#fff; border:1px solid #e5e9ef; border-radius:10px; min-width:180px; box-shadow:0 8px 24px rgba(11,42,82,.16); display:none; z-index:80; }
.user-menu.open { display:block; }
.um-info { padding:10px 14px 8px; font-size:12px; color:#8a94a0; border-bottom:1px solid #f0f2f5; line-height:1.7; }
.um-item { padding:10px 14px; font-size:13px; color:#2c3640; cursor:pointer; }
.um-item:hover { background:#f6f7f9; color:#a04a4a; }

/* 登录注册弹窗 */
.lg-mask { position:fixed; inset:0; background:rgba(11,42,82,.6); display:none; align-items:center; justify-content:center; z-index:120; }
.lg-modal { background:#fff; border-radius:16px; max-width:400px; width:calc(100% - 40px); padding:30px 30px 20px; position:relative; animation:lgIn .25s ease; }
@keyframes lgIn { from { transform:translateY(24px); opacity:0; } to { transform:none; opacity:1; } }
.lg-title { font-size:20px; font-weight:800; color:#0B2A52; }
.lg-sub { font-size:12px; color:#8a94a0; margin-top:6px; line-height:1.6; }
.lg-tabs { display:flex; margin:18px 0 20px; border-bottom:1px solid #e5e9ef; }
.lg-tab { flex:1; text-align:center; padding:10px 0; font-size:14px; color:#8a94a0; cursor:pointer; border-bottom:2px solid transparent; margin-bottom:-1px; }
.lg-tab.on { color:#0B2A52; font-weight:700; border-color:#C9A24B; }
.lg-input { width:100%; border:1px solid #d5dbe3; border-radius:10px; padding:12px 14px; font-size:14px; outline:none; }
.lg-input:focus { border-color:#C9A24B; }
.lg-code-row { display:flex; gap:10px; margin-top:12px; }
.lg-code-row .lg-input { flex:1; }
.lg-code-row button { background:#0B2A52; color:#fff; border:none; border-radius:10px; padding:0 16px; font-size:13px; cursor:pointer; white-space:nowrap; }
.lg-code-row button:disabled { background:#b8c0c9; cursor:not-allowed; }
.lg-err { color:#c05252; font-size:12px; margin-top:6px; min-height:16px; line-height:1.5; }
.lg-main { width:100%; background:#C9A24B; color:#221708; font-size:16px; font-weight:800; padding:13px; border-radius:10px; border:none; cursor:pointer; margin-top:8px; }
.lg-main:hover { background:#d4af5e; }
.lg-hint { text-align:center; font-size:12px; color:#8a94a0; margin-top:10px; }
.lg-privacy { text-align:center; font-size:11px; color:#b8c0c9; margin-top:8px; }
.lg-privacy a { color:#8a6d2f; cursor:pointer; text-decoration:none; }
.lg-skip { display:block; text-align:center; margin-top:14px; padding-top:14px; border-top:1px solid #f0f2f5; color:#8a94a0; font-size:13px; cursor:pointer; }
.lg-skip:hover { color:#0B2A52; }
.lg-qr { text-align:center; padding:2px 0; }
.lg-qr-box { width:190px; height:190px; margin:0 auto; border:1px dashed #b8c0c9; border-radius:14px; display:flex; align-items:center; justify-content:center; background:#f6f7f9; }
.lg-qr-ph { color:#8a94a0; font-size:14px; line-height:1.8; }
.lg-qr-ph span { font-size:11px; color:#b8c0c9; }
.lg-qr-note { font-size:12px; color:#8a94a0; margin-top:12px; line-height:1.7; }
.lg-wx-mock { margin-top:14px; background:none; border:1px dashed #C9A24B; color:#8a6d2f; border-radius:10px; padding:7px 16px; font-size:12px; cursor:pointer; }
.lg-wx-mock:hover { background:#faf3e3; }

/* 微信扫码 → 绑定手机号（防两号演示流程，阶段 B 接真实接口） */
.wx-scanned { background:#eef7f0; border:1px solid #cfe6d6; color:#2f7d4f; border-radius:10px; padding:10px 14px; font-size:13px; font-weight:700; text-align:center; }
.wx-scanned span { display:block; font-weight:400; font-size:11px; color:#7fa98c; margin-top:2px; }
.lg-wx-reset { text-align:center; font-size:11px; color:#b8c0c9; margin-top:10px; cursor:pointer; text-decoration:underline dotted; }
.lg-wx-reset:hover { color:#8a94a0; }
.lg-wx-back { text-align:center; font-size:12px; color:#8a94a0; margin-top:12px; cursor:pointer; }
.lg-wx-back:hover { color:#0B2A52; }

/* AI 助教悬浮入口（占位按钮，阶段 D 接入真组件） */
.ai-fab { position:fixed; right:18px; bottom:calc(84px + env(safe-area-inset-bottom)); z-index:70; min-height:44px; display:flex; align-items:center; background:#0B2A52; color:#fff; border:1px solid #C9A24B; padding:11px 16px; border-radius:999px; cursor:pointer; font-size:13px; font-weight:600; box-shadow:0 6px 18px rgba(11,42,82,.25); transition:opacity .2s ease, background .18s ease; }
.ai-fab:hover { background:#123a6e; }

/* AI 助教聊天抽屉（13 号：分层回答 + 3 问墙，演示版） */
.ai-mask { position:fixed; inset:0; background:rgba(11,42,82,.35); display:none; justify-content:flex-end; z-index:115; }
.ai-drawer { width:400px; max-width:calc(100vw - 16px); height:calc(100vh - 24px); margin:12px; background:#fff; border-radius:16px; display:flex; flex-direction:column; overflow:hidden; animation:aiIn .25s ease; box-shadow:-12px 0 40px rgba(11,42,82,.28); }
@keyframes aiIn { from { transform:translateX(40px); opacity:0; } to { transform:none; opacity:1; } }
.ai-head { background:#0B2A52; color:#fff; padding:14px 16px; display:flex; align-items:center; gap:10px; }
.ai-title { font-size:15px; font-weight:800; flex:1; }
.ai-title small { display:block; font-size:10px; color:#8ba1bd; font-weight:400; margin-top:2px; }
.ai-quota { font-size:11px; background:rgba(201,162,75,.18); color:#e8cf9a; border:1px solid #C9A24B; border-radius:999px; padding:4px 10px; white-space:nowrap; }
.ai-quota.mem { background:#faf3e3; color:#8a6d2f; }
.ai-close { background:none; border:none; color:#8ba1bd; font-size:16px; cursor:pointer; padding:4px 6px; }
.ai-close:hover { color:#fff; }
.ai-msgs { flex:1; overflow-y:auto; padding:16px 14px; background:#f8f9fb; display:flex; flex-direction:column; gap:10px; }
.ai-m { max-width:86%; border-radius:14px; padding:10px 13px; font-size:13px; line-height:1.7; word-break:break-word; }
.ai-m.user { align-self:flex-end; background:#0B2A52; color:#fff; border-bottom-right-radius:4px; }
.ai-m.bot { align-self:flex-start; background:#fff; border:1px solid #e5e9ef; color:#2d3748; border-bottom-left-radius:4px; }
.ai-m.bot b { color:#0B2A52; }
.ai-tag { display:inline-block; font-size:10px; color:#8a6d2f; background:#faf3e3; border-radius:4px; padding:2px 6px; margin-top:8px; }
.ai-card { display:block; background:#f6f8fc; border:1px solid #dfe6ef; border-radius:10px; padding:9px 12px; margin-top:8px; cursor:pointer; transition:border-color .15s; }
.ai-card:hover { border-color:#C9A24B; }
.ai-card b { display:block; font-size:13px; color:#0B2A52; }
.ai-card span { font-size:11px; color:#8a6d2f; }
.ai-typing { display:inline-flex; gap:4px; padding:4px 2px; }
.ai-typing i { width:6px; height:6px; border-radius:50%; background:#8ba1bd; animation:aiBlink 1s infinite; }
.ai-typing i:nth-child(2) { animation-delay:.2s; }
.ai-typing i:nth-child(3) { animation-delay:.4s; }
@keyframes aiBlink { 0%,80%,100% { opacity:.25; } 40% { opacity:1; } }
.ai-quick { display:flex; flex-wrap:wrap; gap:8px; padding:10px 14px 4px; border-top:1px solid #f0f2f5; }
.ai-quick span { font-size:12px; color:#0B2A52; background:#f6f8fc; border:1px solid #dfe6ef; border-radius:999px; padding:6px 12px; cursor:pointer; }
.ai-quick span:hover { border-color:#C9A24B; color:#8a6d2f; }
.ai-input { display:flex; gap:8px; padding:12px 14px; }
.ai-input input { flex:1; border:1px solid #d5dbe3; border-radius:10px; padding:11px 13px; font-size:13px; outline:none; }
.ai-input input:focus { border-color:#C9A24B; }
.ai-input button { background:#0B2A52; color:#fff; border:none; border-radius:10px; padding:0 18px; font-size:13px; font-weight:600; cursor:pointer; }
.ai-wall { padding:18px 16px 16px; text-align:center; background:#fff; }
.ai-wall-t { font-size:15px; font-weight:800; color:#0B2A52; }
.ai-wall p { font-size:12.5px; color:#6b7684; margin:8px 0 12px; line-height:1.7; }
.ai-wall p b { color:#8a6d2f; }
.ai-wall button { width:100%; background:#C9A24B; color:#221708; font-size:15px; font-weight:800; padding:12px; border-radius:10px; border:none; cursor:pointer; }
.ai-wall button:hover { background:#d4af5e; }
.ai-wall-n { display:block; font-size:10.5px; color:#b8c0c9; margin-top:10px; }

/* 模拟微信支付收银台（演示，真实支付阶段 C 接入） */
.pay-mask { position:fixed; inset:0; background:rgba(11,42,82,.6); display:none; align-items:center; justify-content:center; z-index:120; }
.pay-modal { background:#fff; border-radius:16px; max-width:380px; width:calc(100% - 40px); padding:28px 26px 20px; animation:lgIn .25s ease; max-height:calc(100dvh - 24px); overflow-y:auto; }
.pay-close { position:absolute; top:8px; right:10px; width:32px; height:32px; border:0; background:none; color:#b8c0c9; font-size:24px; line-height:1; cursor:pointer; border-radius:8px; }
.pay-close:hover { color:#0B2A52; background:#f0f2f5; }
.pay-title { font-size:16px; font-weight:800; color:#0B2A52; }
.pay-title span { font-size:11px; color:#b8c0c9; font-weight:400; margin-left:6px; }
.pay-amount { font-size:38px; font-weight:800; color:#0B2A52; text-align:center; margin:18px 0 16px; letter-spacing:1px; }
.pay-rows { border-top:1px solid #f0f2f5; }
.pr { display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid #f0f2f5; font-size:13px; }
.pr span { color:#8a94a0; }
.pr b { color:#0B2A52; font-weight:600; }
.pay-btn { width:100%; background:#0B2A52; color:#fff; font-size:16px; font-weight:700; padding:13px; border-radius:10px; border:none; cursor:pointer; margin-top:16px; }
.pay-btn:disabled { background:#b8c0c9; cursor:wait; }
.pay-note { font-size:11px; color:#b8c0c9; text-align:center; margin-top:12px; line-height:1.6; }
.pay-qr { text-align:center; padding:8px 0 2px; }
.pay-qr img { width:200px; height:200px; border:1px solid #eef1f5; border-radius:12px; padding:8px; background:#fff; }
.pay-qr p { font-size:12px; color:#5b6775; margin-top:8px; }
.pay-qr .pay-qr-no { font-size:11px; color:#b8c0c9; letter-spacing:.3px; }
.pay-status { font-size:12px; color:#8a94a0; text-align:center; margin-top:10px; min-height:17px; }
.pay-status.ok { color:#177a58; font-weight:600; }
.pay-status.err { color:#c0392b; }

/* 付费成功页（12 号 §2.2：情绪最高点——编号/海报/算力包/唯一主行动） */
.payok-mask { position:fixed; inset:0; background:rgba(7,26,50,.78); display:none; align-items:center; justify-content:center; z-index:125; }
.payok-modal { background:#fff; border-radius:18px; max-width:430px; width:calc(100% - 40px); padding:34px 30px 22px; position:relative; text-align:center; animation:lgIn .3s ease; max-height:calc(100vh - 40px); overflow-y:auto; }
.payok-check { width:74px; height:74px; margin:0 auto 14px; border-radius:50%; background:#eef7f0; border:2px solid #2f7d4f; display:flex; align-items:center; justify-content:center; }
.payok-check span { font-size:36px; color:#2f7d4f; font-weight:800; }
.payok-title { font-size:24px; font-weight:800; color:#0B2A52; }
.payok-no { margin-top:10px; font-size:14px; color:#8a94a0; }
.payok-no b { font-size:22px; color:#C9A24B; letter-spacing:2px; margin:0 2px; }
.payok-sub { font-size:13px; color:#6b7684; margin-top:6px; }
.payok-list { text-align:left; background:#f8f9fb; border-radius:14px; padding:14px 16px 14px 38px; margin:16px 0 0; }
.payok-list li { font-size:12.5px; color:#4a5568; line-height:2; }
.payok-gift { display:flex; gap:10px; margin-top:14px; }
.pg { flex:1; border:1px solid #e5e9ef; border-radius:14px; padding:12px 10px; cursor:pointer; transition:border-color .15s; }
.pg:hover { border-color:#C9A24B; background:#faf8f2; }
.pg b { display:block; font-size:14px; color:#0B2A52; }
.pg p { font-size:11px; color:#8a94a0; margin:5px 0 7px; line-height:1.5; }
.pg span { font-size:11px; color:#8a6d2f; border:1px solid #C9A24B; border-radius:999px; padding:3px 12px; }
.pg span.done { color:#2f7d4f; border-color:#9ccfae; }
.payok-main { width:100%; background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; font-size:16px; font-weight:800; padding:14px; border-radius:10px; border:1px solid #A87F2E; box-shadow:0 2px 0 #A87F2E, 0 8px 22px rgba(201,162,75,.25); cursor:pointer; margin-top:16px; transition:transform .16s ease, filter .16s; }
.payok-main:hover { filter:brightness(1.07); }
.payok-main:active { transform:scale(.98); }
.payok-main small { display:block; font-size:11px; font-weight:400; color:#5c4a1e; margin-top:3px; }
.payok-sec { width:100%; background:none; color:#0B2A52; font-size:14px; padding:11px; border-radius:10px; border:1px solid #d5dbe3; cursor:pointer; margin-top:10px; }
.payok-sec:hover { border-color:#0B2A52; }
.payok-foot { font-size:11px; color:#b8c0c9; margin-top:14px; line-height:1.6; }

/* 海报预览 / 顾问活码 通用弹层 */
.po-mask { position:fixed; inset:0; background:rgba(7,26,50,.78); display:none; align-items:center; justify-content:center; z-index:126; }
.po-modal { background:#fff; border-radius:18px; max-width:400px; width:calc(100% - 40px); padding:28px 24px 20px; position:relative; text-align:center; animation:lgIn .25s ease; max-height:calc(100vh - 40px); overflow-y:auto; }
.po-title { font-size:17px; font-weight:800; color:#0B2A52; }
.po-title span { color:#C9A24B; }
.po-wrap { margin:16px auto 0; max-width:300px; }
.po-wrap canvas { width:100%; height:auto; border-radius:10px; box-shadow:0 8px 24px rgba(11,42,82,.25); }
.po-dl { width:100%; background:#C9A24B; color:#221708; font-size:15px; font-weight:800; padding:12px; border-radius:10px; border:none; cursor:pointer; margin-top:16px; }
.po-dl:hover { background:#d4af5e; }
.po-tip { font-size:11.5px; color:#8a94a0; margin-top:10px; line-height:1.7; }
.adv-qr { width:210px; height:210px; margin:18px auto 0; border:1px dashed #b8c0c9; border-radius:14px; display:flex; align-items:center; justify-content:center; background:#f6f7f9; overflow:hidden; }
.adv-qr img { width:100%; height:100%; object-fit:contain; background:#fff; }
.adv-ph { color:#8a94a0; font-size:14px; line-height:1.8; }
.adv-ph span { font-size:11px; color:#b8c0c9; }
.adv-fb { font-size:12px; color:#4a5568; background:#f8f9fb; border-radius:10px; padding:10px 14px; margin-top:16px; line-height:1.7; text-align:left; }
.adv-fb b { color:#0B2A52; }
.adv-note { font-size:11.5px; color:#b8c0c9; margin-top:12px; line-height:1.7; }

/* 导航会员标识（创始会员金色） */
.nu-tag.mem { background:#faf3e3; color:#8a6d2f; border:1px solid #C9A24B; }

/* ============================================================
   会员中心（P4：会员服务与续费运营，演示版）
   ============================================================ */
.nu-tag { cursor:pointer; }
.nu-tag:hover { background:rgba(201,162,75,.18); }
.mc-hero { background:#0B2A52; color:#fff; padding:44px 0 40px; }
.mc-hero .mc-k { color:#C9A24B; font-size:13px; letter-spacing:2px; margin-bottom:10px; }
.mc-hero .mc-no { font-size:28px; font-weight:800; }
.mc-hero.mem .mc-no { color:#C9A24B; }
.mc-hero .mc-meta { color:#9db0c8; font-size:13px; margin-top:10px; }
.mc-tiers { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
.mc-tier { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:20px; cursor:pointer; transition:border-color .15s, box-shadow .15s; }
.mc-tier:hover { border-color:#C9A24B; box-shadow:0 4px 18px rgba(11,42,82,.10); }
.mc-tier b { display:block; font-size:15px; color:#0B2A52; margin-bottom:6px; }
.mc-tier p { font-size:12px; color:#6b7684; line-height:1.6; margin-bottom:10px; }
.mc-tier span { font-size:12px; color:#8a6d2f; font-weight:600; }
.mc-tier.done span { color:#2f7d4f; }
.mc-fx { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:22px; display:flex; gap:24px; align-items:center; flex-wrap:wrap; }
.mc-fx-l { flex:1; min-width:260px; }
.mc-fx-l .row { display:flex; justify-content:space-between; align-items:center; gap:16px; padding:9px 0; border-bottom:1px solid #f0f2f5; font-size:14px; }
.mc-fx-l .row:last-child { border-bottom:none; }
.mc-fx-l .row span { color:#8a94a0; }
.mc-fx-l .row b { color:#8a6d2f; text-align:right; }
.mc-fx-r { text-align:center; }
.mc-fx-r p { font-size:11px; color:#b8c0c9; margin-top:8px; line-height:1.6; }
.ref-link { display:flex; gap:8px; margin-bottom:10px; }
.ref-link input { flex:1; min-width:200px; border:1px solid #dfe5ec; border-radius:9px; padding:8px 10px; font-size:12px; color:#5b6775; background:#f8fafc; }
.ref-link button { flex:none; border:1px solid #C9A24B; background:#fff; color:#8a6d2f; border-radius:9px; padding:8px 12px; font-size:12px; font-weight:600; cursor:pointer; }
.ref-link button:hover { background:#fbf6e9; }
.ref-note { font-size:12px; color:#8a94a0; margin-bottom:10px; }
.mc-guide { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:24px; display:flex; gap:24px; align-items:center; flex-wrap:wrap; }
.mc-guide .mg-l { flex:1; min-width:260px; }
.mc-guide li { list-style:none; font-size:14px; color:#2c3640; padding:7px 0 7px 26px; position:relative; line-height:1.7; }
.mc-guide li:before { content:"✓"; position:absolute; left:0; color:#C9A24B; font-weight:700; }
.mc-guide li b { color:#8a6d2f; }
.mc-guide .mg-r { text-align:center; }
.mc-guide .mg-r p { font-size:11px; color:#b8c0c9; margin-top:8px; }
.mc-link { color:#8a6d2f; cursor:pointer; }
.mc-link:hover { text-decoration:underline; }
.mc-hist { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:6px 22px; }
.mh-row { display:flex; align-items:center; gap:14px; padding:13px 0; border-bottom:1px solid #f0f2f5; cursor:pointer; }
.mh-row:last-child { border-bottom:none; }
.mh-row:hover b { color:#8a6d2f; }
.mh-cat { font-size:11px; color:#8a6d2f; background:#faf3e3; padding:2px 8px; border-radius:4px; white-space:nowrap; }
.mh-row b { font-size:14px; color:#2c3640; flex:1; font-weight:600; }
.mh-p { font-size:12px; color:#9aa4b0; white-space:nowrap; }
.mh-go { font-size:12px; color:#8a6d2f; white-space:nowrap; font-weight:600; }

/* ============================================================
   v2 UI 升级：全站动效体系 + 深色数据带（方案 6 条整体落地）
   ============================================================ */

/* 滚动渐入（IntersectionObserver 加 .in 触发，--d 为逐个错峰延迟） */
.rv { opacity:0; }
.rv.in { animation:rvIn .65s cubic-bezier(.22,.61,.36,1) both; animation-delay:var(--d, 0ms); }
@keyframes rvIn { from { opacity:0; transform:translateY(22px); } to { opacity:1; transform:none; } }

/* 活数字 / 呼吸点动效 */
@keyframes livePulse { 0%,100% { opacity:1; } 50% { opacity:.35; } }
@keyframes bump { 30% { transform:scale(1.3); color:#fff; } }

/* 深色数据带（首页节奏：深 Hero → 白内容 → 深数据带 → 白内容） */
.band { position:relative; overflow:hidden; margin-top:56px; padding:66px 0 60px; color:#fff;
  background:
    radial-gradient(900px 400px at 85% 0%, rgba(201,162,75,.13), transparent 55%),
    linear-gradient(160deg,#0C2E5A 0%, #081F3D 75%); }
.band:before { content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(139,161,189,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,161,189,.06) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 92%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 92%); }
.band .wrap { position:relative; z-index:1; }
.band-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; }
@media (max-width:820px){ .band-stats { grid-template-columns:repeat(2,1fr); gap:22px; } }
.bs .bn { font-size:38px; font-weight:800; letter-spacing:.5px; }
.bs .bn em { font-style:normal; font-size:15px; font-weight:600; color:#C9A24B; margin-left:4px; }
.bs .bl { color:#8ba1bd; font-size:13px; margin-top:6px; }
.band:after { content:""; position:absolute; left:0; right:0; bottom:0; height:72px; background:linear-gradient(180deg, rgba(248,250,252,0), #f8fafc); pointer-events:none; z-index:2; } /* v1.21fix：终点色与 v1.7 页面底色 #f8fafc 对齐（原 #f6f7f9 会留接缝） */
.band-loop { margin-top:46px; display:flex; align-items:center; gap:18px; flex-wrap:wrap; background:rgba(255,255,255,.05); border:1px solid rgba(201,162,75,.32); box-shadow:inset 0 0 40px rgba(201,162,75,.05); border-radius:16px; padding:22px 28px; }
.bl-step b { font-size:17px; color:#e8cf9a; }
.bl-step span { display:block; font-size:12.5px; color:#9db0c8; margin-top:3px; }
.bl-arr { color:#C9A24B; font-size:22px; font-weight:700; }
.bl-anchor { font-size:13px; color:#9db0c8; margin-left:auto; }
.bl-anchor s { color:#7f8ea3; margin:0 2px; }
.bl-anchor b { color:#e8cf9a; font-size:15px; margin-left:2px; }
.band-loop button { background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; font-weight:800; font-size:16px; padding:13px 30px; border-radius:10px; border:1px solid #A87F2E; cursor:pointer; box-shadow:0 2px 0 #A87F2E, 0 8px 26px rgba(201,162,75,.30); transition:transform .16s ease, box-shadow .16s ease, filter .16s; }
.band-loop button:hover { filter:brightness(1.07); transform:translateY(-2px); box-shadow:0 2px 0 #A87F2E, 0 12px 32px rgba(201,162,75,.45); }
.band-loop button:active { transform:scale(.98); filter:brightness(.97); }
@media (max-width:820px){ .band-loop button { margin-left:0; width:100%; } }

/* 无障碍：系统开了"减弱动态效果"时，直接呈现最终状态 */
@media (prefers-reduced-motion: reduce) {
  .rv { opacity:1; }
  .rv.in { animation:none; }
  .dot, .ad-dot, .ad-typing i { animation:none; }
}

/* ============================================================
   v3 UI 升级（深化设计清单 12 项 · 第二批）
   C8 阴影层级 / C9 字号层级 / B5 金色 eyebrow / B6 浅色分区
   C11 搜索框 + 双信任数字 / C10 footer 四栏 / C12 移动端适配
   ============================================================ */
:root { --sh-1:0 1px 3px rgba(11,42,82,.05); --sh-2:0 10px 26px rgba(11,42,82,.13); --sh-3:0 22px 50px rgba(11,42,82,.20); }

/* ---- C8 阴影层级：白卡统一淡阴影，hover 才浮起 ---- */
.who .w, .card, .infobox, .syllabus, .qa, .story .s, .tier, .timeline,
.pathstep, .scard, .mc-tier, .mc-fx, .mc-guide, .mc-hist, .fcard { box-shadow:var(--sh-1); }
.who .w:hover, .card:hover, .tier:hover, .scard:hover, .mc-tier:hover { box-shadow:var(--sh-2); }
.user-menu { box-shadow:var(--sh-3); }

/* ---- C9 字号层级：详情页标题 / 课程卡标题 ---- */
.detail-head h1 { font-size:32px; }
.card .t { font-size:16px; }

/* ---- B5 section 标题金色 eyebrow 小标签 ---- */
h2.sec:before { content:attr(data-eyebrow); display:block; font-size:11px; font-weight:700; letter-spacing:2.6px; color:#C9A24B; margin-bottom:9px; }
h2.sec:not([data-eyebrow]):before { display:none; }

/* ---- B6 首页中段浅色分区（深-浅-深节奏） ---- */
.sec-panel { position:relative; background:#fff; border:1px solid #e9edf2; border-radius:18px; padding:30px 30px 28px; box-shadow:0 12px 38px rgba(11,42,82,.07); }
.sec-panel:before { content:""; position:absolute; left:24px; right:24px; top:-1px; height:3px; border-radius:0 0 3px 3px; background:linear-gradient(90deg, rgba(201,162,75,0), #C9A24B 35%, rgba(201,162,75,0)); }

/* ---- C11 搜索框图标 + 聚焦金描边 ---- */
.searchbox { position:relative; }
.sb-icon { position:absolute; left:14px; top:50%; transform:translateY(-50%); pointer-events:none; display:flex; z-index:1; }
.searchbox input { padding-left:41px; transition:border-color .16s ease, box-shadow .16s ease; }
.searchbox input:focus { border-color:#C9A24B; box-shadow:0 0 0 3px rgba(201,162,75,.18); position:relative; z-index:2; }
.searchbox input:focus + button { border-color:#A87F2E; }

/* ---- C11 首屏双信任数字 ---- */
.hero-live .sep { opacity:.5; margin:0 3px; }
.hero-live b.bump { animation:bump .5s ease; }

/* ---- C10 footer 四栏 ---- */
footer { padding:46px 0 22px; }
.foot-grid { display:grid; grid-template-columns:1.55fr 1fr 1fr 1.15fr; gap:34px; }
.fg h4 { color:#fff; font-size:13px; font-weight:700; letter-spacing:.8px; margin-bottom:15px; }
.fg a { display:block; color:#8ba1bd; font-size:12.5px; cursor:pointer; margin-bottom:9px; transition:color .16s ease; }
.fg a:hover { color:#C9A24B; }
.fg .fg-plain { display:block; color:#8ba1bd; font-size:12.5px; margin-bottom:9px; }
.fg .fg-plain.pending { color:#63799a; }
.fg p { font-size:12.5px; color:#8ba1bd; line-height:1.85; margin-bottom:10px; }
.fg-brand { display:flex; align-items:center; gap:9px; margin-bottom:14px; }
.fg-brand b { color:#fff; font-size:15px; }
.fg-brand em { color:#C9A24B; font-style:normal; }
.fg-brand .logo-mark svg { display:block; }
.fg-note { font-size:11.5px; color:#63799a; }
.foot-bottom { margin-top:34px; padding-top:18px; border-top:1px solid rgba(139,161,189,.18); display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:11.5px; color:#63799a; }

/* ---- C12 移动端适配（375px 起） ---- */
/* v1.22 双端修复：641–1024 平板导航（此前只有 ≤640 换行，761–820 会横向溢出） */
@media (min-width:641px) and (max-width:1024px) {
  .nav-in { height:auto; min-height:56px; padding:8px 20px 0; gap:6px 16px; flex-wrap:wrap; }
  .nav-cta { order:2; margin-left:auto; padding:7px 15px; font-size:13px; }
  .nav-auth { order:3; margin-left:0; }
  .nav-links { order:4; width:100%; gap:22px; overflow-x:auto; scrollbar-width:none; padding:2px 0 9px; }
  .nav-links::-webkit-scrollbar { display:none; }
  .nav-link { flex:none; font-size:13.5px; }
}

@media (max-width:640px) {
  .wrap { padding:0 16px; }
  .nav-in { height:auto; min-height:56px; padding:9px 16px; gap:8px 14px; flex-wrap:wrap; }
  .logo { order:1; font-size:15px; gap:7px; }
  .logo-tmp { display:none; }
  .nav-auth { order:2; margin-left:auto; }
  .nav-cta { display:none; }
  .nav-links { order:4; width:100%; display:flex; gap:17px; overflow-x:auto; scrollbar-width:none; padding-bottom:1px; }
  .nav-links::-webkit-scrollbar { display:none; }
  .nav-link { font-size:13px; white-space:nowrap; flex:none; }

  .hero { padding:46px 0 42px; }
  .hero h1 { font-size:clamp(25px,7.6vw,34px); }
  .hero .sub { font-size:14.5px; margin:14px 0 22px; }
  .hero-live { font-size:12px; padding:5px 12px; }
  .hero-btns { gap:10px; }
  .btn-primary { font-size:15.5px; padding:12px 24px; }
  .btn-ghost { font-size:14px; padding:12px 18px; }
  .hero-stats { gap:18px 26px; margin-top:28px; }
  .stat .n { font-size:22px; }
  .ai-demo { border-radius:14px; }
  .ad-body { height:210px; }

  h2.sec { font-size:20px; }
  p.sec-sub { font-size:13px; }
  .sec-panel { padding:22px 18px 20px; border-radius:14px; }
  .sec-panel:before { left:16px; right:16px; }

  .grid { grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; }
  .cover { height:116px; padding:10px 11px; }
  .card .t { font-size:14px; padding:11px 12px 0; }
  .card .d { display:none; }
  .card .p { font-size:14px; padding:8px 12px 12px; }
  .cv-no { font-size:36px; }
  .who { grid-template-columns:1fr; }
  .who .w { padding:17px; }
  .story { grid-template-columns:1fr; }
  .tiers { grid-template-columns:1fr; }
  .qa.price-argue { padding:24px 20px; }
  .qa.price-argue h3 { font-size:17px; }
  .qa.faq { padding:22px 18px; }

  .band { padding:48px 0 44px; margin-top:40px; }
  .band-stats { grid-template-columns:1fr 1fr; gap:20px 16px; }
  .bn { font-size:26px !important; }
  .band-loop { padding:18px; gap:12px; }
  .bl-step span { font-size:11.5px; }
  .bl-anchor { margin-left:0; width:100%; }

  .detail-head h1 { font-size:22px; }
  .dh-in { padding:22px 18px; }
  .detail-price b { font-size:25px; }
  .infobox, .syllabus { padding:18px 16px; }
  .painbox { padding:16px 16px; }

  .foot-grid { grid-template-columns:1fr 1fr; gap:26px 18px; }
  .fg:first-child { grid-column:1 / -1; }
  .foot-bottom { flex-direction:column; gap:6px; margin-top:26px; }
}
@media (max-width:380px) {
  .grid { grid-template-columns:1fr 1fr; }
  .cover { height:104px; }
}

/* ============================================================
   v1.2 新增（15 号文档 A 组）：直播预告卡 / toast 双按钮 / sticky 强化
   ============================================================ */
.livecard { position:relative; overflow:hidden; background:linear-gradient(150deg,#123a6e 0%,#0B2A52 55%,#071B36 100%); border:1px solid rgba(201,162,75,.35); border-radius:14px; padding:24px 28px; color:#fff; }
.lc-tag { position:absolute; top:0; right:0; background:#C9A24B; color:#221708; font-size:11px; font-weight:700; letter-spacing:.5px; padding:5px 14px; border-radius:0 13px 0 12px; }
.lc-main { display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.lc-l { flex:1; min-width:240px; }
.lc-l b { font-size:17px; letter-spacing:.3px; }
.lc-l p { color:#9db0c8; font-size:13px; margin-top:7px; line-height:1.75; }
.lc-r { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.lc-btn { background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; border:1px solid #A87F2E; border-radius:10px; padding:11px 26px; font-size:15px; font-weight:700; cursor:pointer; transition:filter .16s, transform .12s; }
.lc-btn:hover { filter:brightness(1.07); transform:translateY(-1px); }
.lc-more { color:#e8cf9a; font-size:13px; cursor:pointer; }
.lc-more:hover { color:#fff; }
.lc-btn.done { background:rgba(255,255,255,.14); color:#e8f5ec; border-color:rgba(156,207,174,.55); }
.lc-btn.live-on { background:linear-gradient(180deg,#e05a4f,#c53a30); border-color:#a72d25; color:#fff; }
.live-h3 { font-size:15px; color:#0B2A52; margin:26px 0 10px; }
.live-list { display:flex; flex-direction:column; gap:10px; }
.live-row { display:flex; align-items:center; gap:16px; background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:14px 18px; box-shadow:var(--sh-1,0 2px 10px rgba(11,42,82,.05)); }
.lr-time { flex:none; width:76px; display:flex; flex-direction:column; gap:2px; }
.lr-time b { font-size:18px; color:#0B2A52; letter-spacing:.3px; }
.lr-time span { font-size:12px; color:#8a6d2f; }
.lr-main { flex:1; min-width:0; }
.lr-main b { display:block; font-size:15px; color:#0B2A52; margin-bottom:3px; }
.lr-main p { font-size:12.5px; color:#6b7684; line-height:1.55; margin:0; }
.lr-act { flex:none; }
.lr-act button { background:#fff; border:1px solid #C9A24B; color:#8a6d2f; border-radius:10px; padding:8px 16px; font-size:13px; font-weight:600; cursor:pointer; }
.lr-act button:hover { background:#fbf6e9; }
.lr-act button:disabled { border-color:#e5e9ef; color:#9aa4b2; cursor:default; background:#fff; }
.live-empty { color:#7b8694; font-size:13.5px; background:#fff; border:1px dashed #dfe5ec; border-radius:14px; padding:18px; }
@media (max-width:640px){
  .live-row { flex-wrap:wrap; gap:8px 12px; padding:14px; }
  .lr-time { width:auto; flex:0 0 auto; order:1; flex-direction:row; align-items:baseline; gap:8px; }
  .lr-time b { font-size:16px; }
  .lr-main { flex:1 1 100%; order:3; }
  .lr-act { order:2; width:auto; margin-left:auto; }
  .lr-act button { width:auto; }
}
@media (max-width:640px){ .livecard { padding:18px 16px; } .lc-l b { font-size:15px; } .lc-btn { width:100%; } .lc-more { width:100%; text-align:center; } }

.toast-btns { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:14px; }
.toast .toast-sec { background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; border:1px solid #A87F2E; border-radius:10px; padding:9px 22px; cursor:pointer; font-size:14px; font-weight:700; }

.sticky.strengthen { box-shadow:0 -10px 34px rgba(201,162,75,.5); border-top:2px solid #C9A24B; }

/* ============================================================
   v1.3 新增（15 号文档 B/C 组）：信任条 / 结果证明区 / 上新承诺卡
   快捷搜索 / 人群证言 / 场景复制 / 搜索兜底 / 移动端常驻 CTA / 成功页续学
   ============================================================ */
.trust-line { display:flex; align-items:center; gap:12px; flex-wrap:wrap; background:#faf3e3; border:1px solid #e8d9a8; border-radius:12px; padding:13px 20px; margin:18px 0 4px; font-size:13.5px; color:#5c4a1e; line-height:1.7; }
.trust-line b { color:#8a6d2f; }

.hero-quick { margin-top:16px; font-size:12.5px; color:#8ba1bd; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.hero-quick span { background:rgba(255,255,255,.06); border:1px solid #38507a; color:#c7d2e2; border-radius:999px; padding:5px 14px; cursor:pointer; font-size:12.5px; transition:border-color .16s, color .16s; }
.hero-quick span:hover { border-color:#C9A24B; color:#fff; }

.outcomes { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; }
.oc { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:20px; cursor:pointer; position:relative; transition:transform .18s ease, box-shadow .18s ease; }
.oc:hover { transform:translateY(-3px); box-shadow:0 10px 26px rgba(11,42,82,.12); }
.oc .oc-tag { display:inline-block; font-size:11px; padding:2px 10px; border-radius:4px; background:#e8f0fb; color:#0B2A52; margin-bottom:10px; }
.oc b { display:block; font-size:16px; color:#0B2A52; line-height:1.5; margin-bottom:8px; }
.oc p { font-size:12.5px; color:#6b7684; line-height:1.7; margin-bottom:12px; }
.oc .oc-go { font-size:12.5px; color:#8a6d2f; font-weight:600; }

.ucard { background:#0B2A52; border:1px solid rgba(201,162,75,.35); border-radius:14px; padding:22px 26px; color:#fff; display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.uc-l { flex:1; min-width:240px; }
.uc-l b { font-size:17px; color:#e8cf9a; }
.uc-l p { color:#9db0c8; font-size:13px; margin-top:7px; line-height:1.75; }
.uc-r { display:flex; gap:14px; flex-wrap:wrap; }
.uc-r span { background:rgba(255,255,255,.08); border:1px solid rgba(139,161,189,.4); border-radius:10px; padding:10px 16px; font-size:12px; color:#9db0c8; text-align:center; }
.uc-r span b { display:block; font-size:20px; color:#C9A24B; margin-bottom:2px; }

.pw-trust { text-align:center; font-size:11.5px; color:#8a94a0; margin-top:10px; line-height:1.6; }

.proof { background:#faf3e3; border:1px solid #e8d9a8; border-radius:12px; padding:16px 20px; font-size:13.5px; color:#5c4a1e; line-height:1.8; }
.proof b { color:#8a6d2f; margin-right:6px; }
.proof span { display:block; font-size:11px; color:#b8a16a; margin-top:4px; }

.scbtns { display:flex; gap:10px; flex-wrap:wrap; }
.scard .scbtns .copy { background:#0B2A52; color:#fff; border:none; border-radius:10px; padding:8px 16px; font-size:13px; cursor:pointer; }
.scard .scbtns .copy:hover { background:#123a6e; }

.search-fallback { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:14px; padding:14px 16px; background:#f8f9fb; border:1px dashed #d5dbe3; border-radius:12px; font-size:13px; color:#4a5568; }
.search-fallback button { background:#0B2A52; color:#fff; border:none; border-radius:8px; padding:8px 18px; font-size:13px; cursor:pointer; }
.search-fallback button:hover { background:#123a6e; }
.search-fallback .sep { color:#b8c0c9; }

.mobile-cta { display:none; position:fixed; left:0; right:0; bottom:0; background:#0B2A52; border-top:1px solid rgba(201,162,75,.45); z-index:65; padding:10px 16px calc(10px + env(safe-area-inset-bottom)); text-align:center; color:#fff; cursor:pointer; font-size:15px; font-weight:700; }
.mobile-cta small { display:block; font-size:10.5px; color:#8ba1bd; font-weight:400; margin-top:2px; }

.payok-resume { width:100%; background:#faf3e3; border:1px solid #e8d9a8; color:#8a6d2f; font-size:14px; font-weight:700; padding:12px; border-radius:10px; cursor:pointer; margin-top:12px; }
.payok-resume:hover { border-color:#C9A24B; }
.payok-resume small { display:block; font-size:11px; font-weight:400; color:#b8a16a; margin-top:3px; }

/* C4 免费课按钮主次微强化（主按钮绿色实心 + 轻投影，次按钮弱化） */
.fbtns .watch { box-shadow:0 2px 8px rgba(26,158,117,.25); }
.fbtns .sys { opacity:.85; }

/* v1.4（15 号 §10 拍板落地）：人群卡对标合计 / 分销脚注 */
.w-price { display:inline-block; margin-top:10px; font-size:11.5px; color:#8a6d2f; background:#faf3e3; border:1px solid #e8d9a8; padding:3px 10px; border-radius:999px; }
.fx-note { font-size:11px; color:#8a94a0; margin-top:4px; line-height:1.6; }

/* ============================================================
   v1.6（设计审查升级）：Hero 主视觉 / eyebrow 装饰 / 兜底封面质感
   直播卡配图 / 呼吸光晕 / 移动端隐藏演示窗 / 焦点样式 / footer 质感
   ============================================================ */
.hero-bg { position:absolute; inset:0; z-index:0; pointer-events:none; }
.hero-bg img { width:100%; height:100%; object-fit:cover; object-position:64% center; opacity:.6;
  -webkit-mask-image:linear-gradient(90deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.9) 55%, rgba(0,0,0,.95) 100%);
  mask-image:linear-gradient(90deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.9) 55%, rgba(0,0,0,.95) 100%); }

/* 金色光晕呼吸（静态可读，动效仅增强氛围） */
.hero:after { animation:aurora 9s ease-in-out infinite; }
@keyframes aurora { 0%,100% { opacity:.6; } 50% { opacity:1; } }

/* eyebrow 增强：小标题（:before）已在 v1.4 落地，这里补一条渐隐金线强化层级 */
h2.sec { position:relative; }
h2.sec[data-eyebrow]:after { content:""; display:block; width:34px; height:2px; background:linear-gradient(90deg,#C9A24B,transparent); margin-top:10px; }

/* 兜底封面质感升级（49 门无图课：色块 → 学院封面：顶部柔光 + 底部金雾） */
.cv0 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.15), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#0E3A6B,#1B5FA8); }
.cv1 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#2C2A6E,#5B4FA8); }
.cv2 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#5A2A52,#8F3F7A); }
.cv3 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#0C4A46,#15857A); }
.cv4 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#123A5E,#2E7CC4); }
.cv5 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.26), transparent 52%), linear-gradient(135deg,#5C4515,#A07A28); }
.cv6 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#2A3B4E,#4A6480); }
.cv7 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#1F2E63,#4457B0); }
.cv8 { background:radial-gradient(130% 100% at 18% 0%, rgba(255,255,255,.13), transparent 46%), radial-gradient(110% 80% at 88% 112%, rgba(201,162,75,.22), transparent 52%), linear-gradient(135deg,#552033,#93465E); }
/* 兜底封面细网格纹理（仅无图卡生效，有图卡不叠加） */
.cover:not(:has(.cv-img))::before { content:""; position:absolute; inset:0; z-index:0; pointer-events:none; opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(120% 120% at 50% 50%, rgba(0,0,0,.75), transparent 80%);
  mask-image:radial-gradient(120% 120% at 50% 50%, rgba(0,0,0,.75), transparent 80%); }

/* 直播卡配图 */
.lc-img { flex:none; width:150px; height:100px; border-radius:10px; overflow:hidden; border:1px solid rgba(201,162,75,.35); box-shadow:0 8px 20px rgba(0,0,0,.28); }
.lc-img img { width:100%; height:100%; object-fit:cover; display:block; }
@media (max-width:640px){ .lc-img { width:100%; height:150px; } }

/* 移动端隐藏 Hero 演示窗（15 号 §5.1 规格：移动端首屏只留价值锚与行动） */
@media (max-width:760px){ .ai-demo { display:none; } }

/* 键盘焦点可见性 */
:focus-visible { outline:2px solid #C9A24B; outline-offset:2px; }

/* footer 质感：顶部金线 + 加深底 */
footer { border-top:2px solid rgba(201,162,75,.5); background:linear-gradient(180deg,#0B2A52 0%,#081D38 100%); }

/* ============================================================
   v1.7（设计现代化：去"10 年前网站感"）：
   大圆角体系 · 无拟物按钮 · 品牌光晕渗透 · 大字号排版
   玻璃拟态强化 · 阴影分层 · 搜索胶囊化 · 区块留白
   ============================================================ */
:root { --r-lg:20px; --r-xl:26px; --sh-a:0 2px 10px rgba(11,42,82,.05); --sh-b:0 14px 34px rgba(11,42,82,.12); --sh-c:0 28px 64px rgba(11,42,82,.20); }

/* 品牌光晕渗透全页（固定视口，不随滚动） */
body { background:
  radial-gradient(1000px 460px at 90% -6%, rgba(201,162,75,.12), transparent 62%),
  radial-gradient(760px 420px at 6% 2%, rgba(32,96,178,.10), transparent 60%),
  #f8fafc;
  background-attachment:fixed; }

/* 区块节奏：大幅留白（每屏只讲一件事的现代节奏） */
section.block { margin-top:92px; }
.view { padding-bottom:76px; }

/* 标题体系：更大字号 + 更细的层级对比 */
h2.sec[data-eyebrow]:after { width:40px; margin-top:12px; }

@media (min-width:641px){
  h2.sec { font-size:clamp(26px,3.2vw,34px); letter-spacing:.2px; }
  p.sec-sub { font-size:15px; color:#7b8694; margin-top:6px; }

  /* Hero：大标题 + 更通透氛围 */
  .hero { padding:84px 0 72px; }
  .hero h1 { font-size:clamp(38px,3.5vw,52px); line-height:1.22; letter-spacing:.2px; }
  .hero .sub { font-size:17px; color:#a9b9cd; max-width:660px; }
  .hero-live { font-size:13.5px; }
  .hero-quick span { padding:7px 16px; font-size:13px; }

  /* Hero 统计：分隔线指标（大数字 + 细分隔） */
  .hero-stats { width:100%; gap:0; margin-top:40px; padding-top:24px; border-top:1px solid rgba(139,161,189,.16); flex-wrap:nowrap; }
  .hero-stats .stat { flex:1 1 0; min-width:0; padding:0 22px; border-right:1px solid rgba(139,161,189,.13); }
  .hero-stats .stat:first-child { padding-left:0; }
  .hero-stats .stat:last-child { padding-right:0; border-right:none; }
  .stat .n { font-size:32px; }
  .stat .l { font-size:12px; color:#93a5bd; letter-spacing:.3px; }

  /* 按钮：去拟物实底阴影 → 现代渐变 + 辉光 + 大圆角 */
  .btn-primary { border-radius:14px; border:1px solid rgba(200,165,90,.4); padding:15px 36px;
    box-shadow:0 10px 26px rgba(201,162,75,.26), inset 0 1px 0 rgba(255,255,255,.35);
    transition:transform .18s ease, box-shadow .18s ease, filter .18s; }
  .btn-primary:hover { transform:translateY(-3px); filter:brightness(1.06); box-shadow:0 16px 38px rgba(201,162,75,.38), inset 0 1px 0 rgba(255,255,255,.4); }
  .btn-ghost { border-radius:14px; padding:15px 26px; font-size:15.5px; border-color:#475e88; }

  /* 卡片家族：20px 大圆角 + 淡边框 + 阴影分层 */
  .card { border-radius:20px; border:1px solid rgba(229,233,239,.85); }
  .card:hover { transform:translateY(-6px); box-shadow:var(--sh-c); border-color:rgba(201,162,75,.5); }
  .card .t { font-size:16px; padding:16px 18px 0; }
  .card .d { font-size:12.5px; padding:0 18px; }
  .card .p { font-size:16px; padding:12px 18px 16px; }
  .cover { height:172px; border-radius:20px 20px 0 0; }
  .cover:after { background:linear-gradient(115deg, transparent 32%, rgba(255,255,255,.11) 47%, transparent 62%); }
  .cv-no { font-size:34px; } /* v1.21fix：同步收小（原 56px 与左下标签打架） */

  /* 其余白卡统一：大圆角 + 淡边框 + 柔和阴影 */
  .who .w, .pathstep, .scard, .fcard, .oc, .ucard, .tier, .timeline,
  .qa, .infobox, .syllabus, .story .s, .mc-tier, .mc-fx, .mc-guide, .mc-hist {
    border-radius:20px; border-color:rgba(229,233,239,.85); box-shadow:var(--sh-a); }
  .who .w:hover, .pathstep:hover, .scard:hover, .fcard:hover, .oc:hover, .tier:hover { box-shadow:var(--sh-b); transform:translateY(-4px); }
  .who .w { padding:24px; }
  .wicon { width:42px; height:42px; border-radius:12px; }

  /* 搜索区：胶囊化 + 聚焦金辉光（告别 Web1.0 导航站感） */
  .searchbox { max-width:620px; margin-bottom:18px; }
  .searchbox input { border-radius:999px 0 0 999px; padding:14px 20px 14px 44px; font-size:14.5px; background:#fff; border-width:1.5px; border-color:#dbe2ea; }
  .searchbox input:focus { border-color:#C9A24B; box-shadow:0 0 0 4px rgba(201,162,75,.16); }
  .searchbox button { border-radius:0 999px 999px 0; padding:0 28px; background:linear-gradient(180deg,#DAB56A,#C9A24B 60%,#BB943D); color:#221708; font-weight:700; border:none; }
  .tag { padding:8px 18px; font-size:13.5px; transition:transform .15s, border-color .15s, box-shadow .15s; }
  .tag:hover { transform:translateY(-1px); box-shadow:0 6px 14px rgba(11,42,82,.08); }

  /* AI 演示窗：强玻璃拟态 */
  .ai-demo { border-radius:22px; border:1px solid rgba(139,161,189,.32);
    background:linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.04));
    backdrop-filter:blur(16px) saturate(1.4); -webkit-backdrop-filter:blur(16px) saturate(1.4);
    box-shadow:0 32px 80px rgba(3,14,28,.5); }
  .ad-head { border-radius:22px 22px 0 0; padding:15px 18px; background:rgba(7,24,46,.62); }
  .ad-body { height:268px; padding:16px; }
  .ad-ask input { border-radius:12px; }

  /* 直播卡：大圆角深色质感 */
  .livecard { border-radius:22px; padding:28px 32px; }
  .lc-tag { border-radius:0 21px 0 20px; }
  .lc-btn { border-radius:14px; padding:12px 28px; }

  /* 深色 CTA / 上新承诺 / 人群痛点 */
  .cta-card, .band-loop, .p-pains { border-radius:20px; }
  .band-loop button { border-radius:14px; box-shadow:0 10px 26px rgba(201,162,75,.26), inset 0 1px 0 rgba(255,255,255,.35); }
  .band-loop button:hover { transform:translateY(-2px); box-shadow:0 14px 34px rgba(201,162,75,.38); }
  .trust-line { font-size:14px; padding:14px 22px; border-radius:14px; }

  /* 详情页 Hero 标题 */
  .p-hero h1 { font-size:38px; }

  /* 导航 CTA 胶囊化 */
  .nav-cta { border-radius:999px; }
}

/* 移动端平衡：指标分隔线取消 + 圆角柔和收拢 */
@media (max-width:640px){
  .hero-stats .stat { border-right:none; padding:0 16px 0 0; }
  .card { border-radius:16px; }
  .cover { border-radius:16px 16px 0 0; }
  .who .w, .pathstep, .scard, .fcard, .oc, .livecard { border-radius:16px; }
  .searchbox input { padding-left:44px; }
}

/* 占位标注：仅 hover 时浮现（去掉半成品感，保留评审可见性） */
.logo-tmp { opacity:0; transition:opacity .2s ease; }
.logo:hover .logo-tmp, .logo:focus-within .logo-tmp { opacity:1; }

/* ============================================================
   v1.8（去素增色：以"人群定位"区为样板的全站暖化升级）：
   卡片暖金底 · 金边框 · 深蓝金图标徽章 · 深蓝价格 pill
   路径按钮化 · 顶部金线 · 痛点强化 · 全站白卡统一暖化
   ============================================================ */
/* v1.9 修正（老爷指认：课程卡等大面积浅金背景不合适，显旧发黄）
   全站卡片：纯白底 + 金边框（金色只做线条级点缀，不铺背景） */
.card, .scard, .fcard, .oc, .pathstep, .infobox, .syllabus, .qa, .tier, .story .s,
.mc-tier, .mc-fx, .mc-guide, .mc-hist {
  background:#ffffff;
  border-color:rgba(201,162,75,.40);
}

/* ---- 人群卡（样本区）---- */
.who .w { background:#ffffff; border:1px solid rgba(201,162,75,.42); border-radius:22px; padding:26px 24px 62px; }
.who .w:before { content:""; position:absolute; left:24px; right:24px; top:0; height:2px; border-radius:0 0 2px 2px;
  background:linear-gradient(90deg, rgba(201,162,75,0), #C9A24B 30%, #C9A24B 70%, rgba(201,162,75,0));
  opacity:.55; transition:opacity .2s ease; }
.who .w:hover:before { opacity:1; }
.wicon { width:48px; height:48px; border-radius:15px; background:linear-gradient(160deg,#123a6e,#0B2A52); border:1px solid rgba(201,162,75,.5);
  box-shadow:0 6px 16px rgba(11,42,82,.22), inset 0 1px 0 rgba(255,255,255,.14); }
.wicon svg { width:24px; height:24px; }
.who .w b { font-size:16px; color:#0B2A52; margin:14px 0 6px; letter-spacing:.2px; }
.who .w .pain { font-size:12.5px; color:#a04a4a; font-weight:700; margin-bottom:8px; line-height:1.6; }
.who .w p { font-size:13px; color:#4a5560; line-height:1.75; }
.w-price { display:inline-block; margin-top:14px; font-size:11px; font-weight:700; letter-spacing:.4px; color:#e8cf9a;
  background:linear-gradient(180deg,#123a6e,#0B2A52); border:1px solid rgba(201,162,75,.55); padding:5px 14px; border-radius:999px;
  box-shadow:0 4px 12px rgba(11,42,82,.16); }
.who .w .go-arrow { right:16px; bottom:16px; display:inline-flex; align-items:center; gap:5px;
  background:none; border:1px solid #C9A24B; color:#8a6d2f; font-size:12.5px; font-weight:700;
  padding:7px 16px; border-radius:999px; transition:background .18s, color .18s, transform .18s, box-shadow .18s; }
.who .w .go-arrow:hover { background:#C9A24B; color:#221708; transform:translateY(-1px); box-shadow:0 6px 14px rgba(201,162,75,.30); }

/* 效果演示卡：标题加重 + 标签徽章化 */
.oc { padding:22px 22px 18px; }
.oc .oc-tag { background:rgba(11,42,82,.07); border:1px solid rgba(11,42,82,.14); color:#0B2A52; border-radius:999px; padding:3px 12px; font-weight:700; }
.oc b { font-size:17px; }
.oc .oc-go { font-size:13px; }
/* v1.9：信任条撤米黄底 → 白底金虚线（凭证感，不泛黄） */
.trust-line { background:#ffffff; border:1px dashed rgba(201,162,75,.6); }

/* ============================================================
   v1.9（总览全局 · 逐视图截图审查后的素点批量升级）：
   涨价时间线化 · 分类标签金边 · 目录行质感 · 适合谁徽章
   权益卡细节 · 弹窗品牌金线 · 全站金色只做点缀
   ============================================================ */
/* 1. 会员中心 · 涨价时间线：账单行 → 金色时间线 */
.timeline { padding:26px 26px 16px; }
.tl-row { position:relative; padding:14px 0 14px 26px; border-bottom:1px solid #f0f2f5; display:flex; align-items:center; gap:14px; }
.tl-row:before { content:""; position:absolute; left:4px; top:0; bottom:0; width:1px; background:linear-gradient(180deg,#C9A24B,rgba(201,162,75,.12)); }
.tl-row:after { content:""; position:absolute; left:0; top:20px; width:9px; height:9px; border-radius:50%; background:#C9A24B; box-shadow:0 0 0 3px rgba(201,162,75,.18); }
.tl-row .p { font-size:21px; font-weight:800; letter-spacing:.5px; width:88px; }
.tl-row .when { background:rgba(11,42,82,.08); color:#0B2A52; font-weight:700; font-size:11.5px; padding:4px 12px; border-radius:999px; width:auto; white-space:nowrap; }
.tl-row.now { background:linear-gradient(180deg,#ffffff,#fdf8ec); border:1px solid rgba(201,162,75,.45); border-radius:12px; padding-left:26px; margin:0 0 4px; }
.tl-row.now .p { color:#0B2A52; }

/* 2. 课程库分类标签 / 相关课程标签：白灰边 → 金边 hover 填金 */
.cat-tab, .tag { background:#ffffff; border:1px solid rgba(201,162,75,.5); border-radius:999px; padding:7px 18px; font-size:13px; color:#8a6d2f; font-weight:600; cursor:pointer; transition:background .16s, color .16s, border-color .16s, transform .16s; }
.cat-tab:hover, .tag:hover { background:#C9A24B; color:#221708; border-color:#C9A24B; transform:translateY(-1px); }
.cat-tab.on { background:#0B2A52; border-color:#0B2A52; color:#e8cf9a; box-shadow:0 4px 12px rgba(11,42,82,.22); }

/* 3. 课程详情 · 目录行：hover 金边、免费试看金色胶囊、锁灰 */
.syllabus .lesson { padding:11px 14px; border:1px solid transparent; border-radius:10px; transition:background .15s, border-color .15s; }
.syllabus .lesson:hover { background:rgba(201,162,75,.07); border-color:rgba(201,162,75,.38); }
.syllabus .lesson .no { color:#8a94a0; font-size:12px; width:22px; }
.syllabus .lesson .lk { color:#b8c0c9; font-size:12px; }
.syllabus .lesson .free { background:#e4f5ec; border:1px solid #bfe3d3; color:#177a58; font-size:11px; font-weight:700; padding:2px 10px; border-radius:999px; white-space:nowrap; } /* v1.21fix：免费动作统一绿色系（与免费课区 watch 按钮同语义；金色让位于会员/价格语境） */
.syllabus .lesson .dur { margin-left:auto; color:#8a94a0; font-size:12px; }
.syllabus .lesson.cur { background:rgba(201,162,75,.09); border-color:rgba(201,162,75,.42); }
.syllabus .lesson.cur .no { color:#8a6d2f; font-weight:700; }
.syllabus .lesson.cur .dur { color:#8a6d2f; font-weight:600; }

/* 4. 课程详情 · 适合谁：浅蓝 → 金边徽章 */
.fitlist span { background:#ffffff; border:1px solid rgba(201,162,75,.55); color:#8a6d2f; font-weight:600; padding:7px 16px; border-radius:999px; transition:background .16s, color .16s; }
.fitlist span:hover { background:#C9A24B; color:#221708; }
.fitlist .nf { background:#f0f2f5; border-color:#e5e9ef; color:#8a94a0; font-weight:400; }

/* 5. 会员权益卡细节：编号徽章化 · 权益行 hover 淡金 */
.tier .th i { background:rgba(232,207,154,.16); border-radius:6px; padding:2px 9px; }
.tier li { border-radius:6px; transition:background .15s; }
.tier li:hover { background:rgba(201,162,75,.09); }

/* 6. 弹窗族品牌金线（登录 / 付费墙 / 支付 / 提示）：顶部渐现金线 */
.lg-modal, .pw-modal, .pay-modal, .toast { position:relative; overflow:hidden; }
.lg-modal:before, .pw-modal:before, .pay-modal:before, .toast:before { content:""; position:absolute; left:0; right:0; top:0; height:2px; background:linear-gradient(90deg, rgba(201,162,75,0), #C9A24B 30%, #C9A24B 70%, rgba(201,162,75,0)); z-index:2; }

/* 7. 你将获得 / 交付配套：hover 淡金 */
.gains li { transition:background .15s; border-radius:6px; }
.gains li:hover { background:rgba(201,162,75,.07); }

/* ============================================================
   v1.10（用户指认：深蓝星空背景上暗金数字看不清 → 亮金；
   大金额 ¥359,240 → 中文直读"35.9 万元"）
   ============================================================ */
/* 深色背景上的金色一律提亮为亮金 #F5D57E，加投影抗背景图案干扰 */
.hero h1 b { color:#F5D57E; text-shadow:0 2px 16px rgba(0,0,0,.38), 0 0 6px rgba(245,213,126,.28); }
.hero .stat .n em { color:#F5D57E; }
.hero-live { color:#F5D57E; }
.batch-note { color:#F5D57E; }
.bs .bn { color:#F5D57E; }
.bs .bn em { color:#F5D57E; }
.member-hero .mem-price { color:#F5D57E; text-shadow:0 2px 18px rgba(0,0,0,.32); }
.sticky .sx b { color:#F5D57E; }
/* 白底上的金色保持深金（对比已够），仅微提 trust 条数字 */
.trust-line b { color:#b8913d; }
.bl-anchor b { color:#F5D57E; }
.bl-anchor s { color:rgba(255,255,255,.62); }

/* ============================================================
   v1.11（推演同类问题全面体检）：
   ① 数字滚动动画全部移除（加载瞬间不再显示 0/中间帧，数字直读）
   ② 深蓝背景上灰蓝正文提亮（对比不足类）
   ③ 深底暗金遗漏项统一亮金
   ============================================================ */
.hero .sub, .band .bl, .bl-step span, .bl-anchor { color:#b9c9dc; }
.stat .l { color:#a9bcd0; }
.hero-quick { color:#a9bcd0; }
.hero-quick span { border-color:#4a6590; }
.crumb { color:#b8c6d8; }
.dh-social, .bl-step b, .hero .tagline { color:#F5D57E; }

/* ============================================================
   v1.12（移动端适配体检：用户"手机/电脑都要考虑"——
   375px 实截发现：hero 按钮并排溢出、直播提示挤出屏、
   标题挤压、分类标签占 3 行、课程卡价格行挤压）
   ============================================================ */
@media (max-width:640px) {
  /* 主按钮：桌面并排 → 手机纵向堆叠全宽 */
  .hero-btns { flex-direction:column; align-items:stretch; }
  .hero-btns .btn-primary, .hero-btns .btn-ghost { width:100%; text-align:center; }
  /* 直播提示：主句 + 长尾巴自动拆两行（inline-flex 宽度是内容撑开，
     内部不换行——改用独立标签在移动端强制成块） */
  .hero-live { width:100%; flex-wrap:wrap; row-gap:2px; }
  .hero-live .live-note { display:block; width:100%; }
  /* 快捷搜索词：隐藏引导语，四个搜索词一行放满（"简历"不再出屏） */
  .hero-quick .search-hint { display:none; }
  /* 会员涨价时间线 & 详情目录行：允许换行（价格+批次+说明不再挤压） */
  .tl-row, .lesson { flex-wrap:wrap; row-gap:4px; }
  /* 15 号 §7：锁课时行点击目标 ≥44px（触屏标准） */
  .lesson { min-height:44px; }
  .tl-row .p { width:auto; }
  /* 登录弹窗验证码行：输入框收缩，按钮完整（"获取验证码"不再出弹窗） */
  .lg-code-row .lg-input { min-width:0; }
  .lg-code-row button { font-size:12.5px; padding:0 12px; }
  /* hero 标题：34→30px，防"全部解锁"挤出屏 */
  .hero h1 { font-size:clamp(24px,7vw,30px); }
  /* 课程分类标签：单行横向滚动（替代 3 行堆叠，现代 App 风） */
  .cat-tabs { flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; padding-bottom:4px; -webkit-overflow-scrolling:touch; }
  .cat-tabs::-webkit-scrollbar { display:none; }
  .cat-tab { flex:none; }
  /* 课程卡价格行：缩小防挤出卡片 */
  .card .p { font-size:11.5px; }
}

/* ============================================================
   v1.13（UI 设计大师级提档：审美层系统升级，非修 bug——
   一套字体层级 / 柔和阴影系统 / 毛玻璃导航 / 按钮辉光 /
   入场动效 / 细节质感；手机电脑全端生效）
   ============================================================ */

/* 1) 字体渲染与标题层次：紧字距大标题 = 现代感第一来源 */
body { -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }
.hero h1 { letter-spacing:-.5px; line-height:1.16; }
h2.sec { letter-spacing:-.4px; font-weight:800; }
.card .t { letter-spacing:-.2px; }
.stat .n, .bn, .mem-price, .sticky .sx b, .detail-price b { font-variant-numeric:tabular-nums; }

/* 2) 柔和分层阴影系统：白卡从"平贴"变"浮起" */
.card,.scard,.fcard,.oc,.pathstep,.infobox,.syllabus,.qa,.tier,.story .s,.livecard,.who .w,.sec-panel {
  box-shadow:0 1px 2px rgba(11,42,82,.04), 0 12px 32px rgba(11,42,82,.08);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover,.scard:hover,.fcard:hover,.oc:hover,.pathstep:hover,.tier:hover,.story .s:hover,.livecard:hover,.who .w:hover,.sec-panel:hover {
  box-shadow:0 2px 6px rgba(11,42,82,.06), 0 20px 48px rgba(11,42,82,.14);
  transform:translateY(-4px);
}

/* 3) 毛玻璃导航：实心深蓝 → 半透明磨砂 + 底部金丝 */
nav { background:rgba(11,42,82,.82); -webkit-backdrop-filter:blur(16px) saturate(1.2); backdrop-filter:blur(16px) saturate(1.2);
  border-bottom:1px solid rgba(201,162,75,.22); box-shadow:0 6px 30px rgba(4,18,38,.35); }

/* 4) 按钮辉光：去拟物硬边，改亮金渐变 + 柔和光晕 */
.btn-primary { background:linear-gradient(135deg,#F6D884 0%,#E8BE62 45%,#CDA44D 100%);
  border:none; box-shadow:0 8px 22px rgba(201,162,75,.38), inset 0 1px 0 rgba(255,255,255,.6), inset 0 -8px 16px rgba(168,127,46,.16); }
.btn-primary:hover { background:linear-gradient(135deg,#FFE49C 0%,#F0C76C 45%,#D7B056 100%);
  box-shadow:0 10px 30px rgba(201,162,75,.5), inset 0 1px 0 rgba(255,255,255,.65), inset 0 -8px 16px rgba(168,127,46,.16); transform:translateY(-2px); }
.btn-primary:active { transform:scale(.98); }
.nav-cta { background:linear-gradient(135deg,#F6D884,#C9A24B); box-shadow:0 4px 14px rgba(201,162,75,.4); }
.nav-cta:hover { box-shadow:0 6px 20px rgba(201,162,75,.55); transform:translateY(-1px); }

/* 5) 入场动效：首屏渐显 + 区块上浮（克制的一遍，尊重减弱动画） */
@keyframes vFadeUp { from{opacity:0; transform:translateY(16px)} to{opacity:1; transform:translateY(0)} }
.hero-grid > * { animation:vFadeUp .7s cubic-bezier(.22,.61,.36,1) both; }
.hero-grid > *:nth-child(1){ animation-delay:.1s } .hero-grid > *:nth-child(2){ animation-delay:.22s }
.block, .band { animation:vFadeUp .65s cubic-bezier(.22,.61,.36,1) both; animation-delay:.18s; }
@media (prefers-reduced-motion: reduce){ .hero-grid > *, .block, .band { animation:none; } }

/* 6) 细节质感：选区 / 滚动条 / 触摸高亮 / 焦点环 */
::selection { background:#C9A24B; color:#0B2A52; }
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-thumb { background:linear-gradient(180deg,#C9A24B,#a8893a); border-radius:99px; border:2px solid rgba(11,42,82,.55); }
::-webkit-scrollbar-track { background:transparent; }
a,button,[onclick] { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:2px solid #C9A24B; outline-offset:3px; border-radius:6px; }

/* 7) hero 金晕增强：让深蓝夜空更有"景深" */
.hero { background:
    radial-gradient(1200px 560px at 78% -10%, rgba(201,162,75,.20), transparent 58%),
    radial-gradient(900px 540px at -10% 110%, rgba(32,96,178,.32), transparent 55%),
    linear-gradient(160deg,#103567 0%, #0B2A52 46%, #071B36 100%); }
.hero .wrap { position:relative; z-index:1; }

/* ============================================================
   v1.14（自驱打磨：不等指摘，主动巡检发现并修复——
   ①页脚内部开发痕迹外露 ②效果演示数字无对比感
   ③场景卡层次扁平）
   ============================================================ */

/* ① 页脚内部说明：默认隐去（页面干净专业），hover 页脚时浮现（评审可查） */
.foot-note { opacity:.07; transition:opacity .3s ease; font-size:11px; }
footer:hover .foot-note, footer:focus-within .foot-note { opacity:.75; }
.fg-note { opacity:.45; transition:opacity .3s ease; }
footer:hover .fg-note { opacity:.85; }

/* ② 效果演示卡：前后耗时做成大数字对比（灰 pill → 金 pill） */
.oc b { display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:17px; font-weight:700; line-height:1.5; }
.oc b i { font-style:normal; font-weight:800; color:#0B2A52; background:rgba(201,162,75,.16); padding:3px 11px; border-radius:8px; font-variant-numeric:tabular-nums; }
.oc b i:last-of-type { background:linear-gradient(135deg,#F6D884,#C9A24B); color:#221708; box-shadow:0 3px 10px rgba(201,162,75,.3); }

/* ③ 场景卡层次：分类金 pill、标题加重、出处弱化、按钮胶囊化 */
.scard .stag { background:rgba(201,162,75,.16); color:#8a6d2f; font-weight:700; font-size:12px; padding:3px 11px; border-radius:999px; display:inline-block; margin-bottom:9px; }
.scard b { display:block; font-size:16.5px; font-weight:800; letter-spacing:-.2px; margin-bottom:6px; }
.scard p { color:#4a5563; font-size:13.5px; line-height:1.6; margin-bottom:8px; }
.scard .meta { color:#98a2ad; font-size:11.5px; margin-bottom:12px; }
.scard .scbtns { display:flex; gap:10px; flex-wrap:wrap; }
.scard .scbtns button { border:1px solid rgba(201,162,75,.5); background:#fff; color:#8a6d2f; font-weight:600; font-size:13px; padding:7px 16px; border-radius:999px; cursor:pointer; transition:transform .16s ease, box-shadow .16s ease, border-color .16s; }
.scard .scbtns button:hover { border-color:#C9A24B; transform:translateY(-1px); box-shadow:0 5px 14px rgba(201,162,75,.25); }
.scard .scbtns .copy { background:linear-gradient(135deg,#F6D884,#C9A24B); color:#221708; border-color:transparent; box-shadow:0 4px 12px rgba(201,162,75,.28); }

/* ④ 页脚版本痕迹行（裸 span）：与 foot-note 同一隐去逻辑 */
.foot-dv { opacity:.07; transition:opacity .3s ease; font-size:11px; }
footer:hover .foot-dv, footer:focus-within .foot-dv { opacity:.75; }

/* ============================================================
   v1.15：AI 工具教程板块（官方原版教学一站直达）+ 背景图补配
   ============================================================ */
#view-tools .tools-hero { position:relative; background:#0B2A52; padding:64px 0 60px; overflow:hidden; }
.tools-hero-bg { position:absolute; inset:0; background:url('../img/brand/tools-bg-v2.jpg') no-repeat center/cover; opacity:.55; }
.tools-hero::after { content:''; position:absolute; inset:0; background:linear-gradient(100deg, rgba(11,42,82,.95) 0%, rgba(11,42,82,.74) 44%, rgba(11,42,82,.28) 78%, rgba(11,42,82,.6) 100%); }
#view-tools .tools-hero .wrap { position:relative; z-index:1; }
.tools-sub { color:#b9c9dc; max-width:780px; margin:8px 0 32px; font-size:15.5px; line-height:1.75; }
.tool-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.toolcard { background:#fff; border-radius:18px; padding:22px 20px 16px; cursor:pointer; border:1px solid rgba(201,162,75,.3); box-shadow:0 1px 2px rgba(11,42,82,.04),0 12px 32px rgba(11,42,82,.10); transition:transform .22s ease, box-shadow .22s ease; }
.toolcard:hover { transform:translateY(-4px); box-shadow:0 2px 6px rgba(11,42,82,.06),0 20px 48px rgba(11,42,82,.14); }
.tc-top { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.tc-ico { width:38px; height:38px; border-radius:12px; background:linear-gradient(135deg,#F6D884,#C9A24B); color:#221708; font-weight:800; font-size:17px; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 12px rgba(201,162,75,.32); }
.tc-tag { font-size:11.5px; color:#8a6d2f; background:rgba(201,162,75,.14); padding:3px 9px; border-radius:999px; font-weight:600; }
.toolcard h3 { font-size:19px; font-weight:800; letter-spacing:-.3px; margin:0 0 7px; }
.toolcard p { color:#4a5563; font-size:13px; line-height:1.65; margin:0 0 14px; min-height:54px; }
.tc-foot { display:flex; align-items:center; justify-content:space-between; border-top:1px solid #edf0f5; padding-top:12px; }
.tc-stat { font-size:12px; color:#98a2ad; }
.tc-go { font-size:13px; color:#8a6d2f; font-weight:700; }
#view-tools .tool-detail { padding:56px 0 84px; }
.td-head { display:grid; grid-template-columns:1fr auto; gap:8px 18px; align-items:center; margin-bottom:22px; }
.td-back { justify-self:start; grid-column:1/-1; border:1px solid rgba(201,162,75,.5); color:#8a6d2f; background:#fff; font-size:13px; padding:7px 16px; border-radius:999px; cursor:pointer; font-weight:600; margin-bottom:6px; }
.td-back:hover { border-color:#C9A24B; box-shadow:0 4px 12px rgba(201,162,75,.22); }
#view-tools .tool-detail .sec { margin:0; }
.td-sub { color:#4a5563; font-size:14px; line-height:1.7; max-width:780px; margin:6px 0 0; }
.td-more { justify-self:end; align-self:center; font-size:13.5px; color:#8a6d2f; font-weight:700; text-decoration:none; white-space:nowrap; }
.td-more:hover { text-decoration:underline; }
.td-filters { display:flex; gap:8px; flex-wrap:wrap; margin:18px 0 22px; }
.td-filters button { border:1px solid rgba(201,162,75,.45); background:#fff; color:#8a6d2f; font-size:12.5px; font-weight:600; padding:6px 14px; border-radius:999px; cursor:pointer; transition:all .16s; }
.td-filters button.on { background:linear-gradient(135deg,#F6D884,#C9A24B); color:#221708; border-color:transparent; box-shadow:0 3px 10px rgba(201,162,75,.3); }
.course-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.ccard { background:#fff; border:1px solid #e6ebf2; border-radius:16px; padding:18px 18px 14px; cursor:pointer; box-shadow:0 1px 2px rgba(11,42,82,.03),0 10px 26px rgba(11,42,82,.07); transition:transform .2s ease, box-shadow .2s ease, border-color .2s; display:flex; flex-direction:column; gap:8px; }
.ccard:hover { transform:translateY(-3px); box-shadow:0 16px 36px rgba(11,42,82,.12); border-color:rgba(201,162,75,.55); }
.ccard h4 { font-size:15.5px; font-weight:800; letter-spacing:-.2px; line-height:1.4; margin:0; }
.ccard p { color:#4a5563; font-size:12.5px; line-height:1.6; margin:0; }
.cc-hot { color:#98a2ad; font-size:11.5px; }
.cc-go { color:#8a6d2f; font-weight:700; font-size:12.5px; margin-top:auto; }
.tc-empty { grid-column:1/-1; background:#fff; border:1px dashed rgba(201,162,75,.5); border-radius:16px; padding:44px 24px; text-align:center; color:#4a5563; }
.tc-empty p { margin:0 0 16px; }
#view-tools .tool-detail[hidden] { display:none; }
/* 首页数据带补背景光效（work-bg） */
.band { background:linear-gradient(180deg, rgba(11,42,82,.94), rgba(8,26,50,.93)), url('../img/brand/work-bg.jpg') center/cover no-repeat; }
/* 移动端适配 */
@media (max-width:980px){ .tool-grid { grid-template-columns:repeat(2,1fr); } .course-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .tool-grid, .course-grid { grid-template-columns:1fr; } .td-head { grid-template-columns:1fr; } .td-more { justify-self:start; } .toolcard p { min-height:0; } }

/* v1.16：工具课会员解锁提示条（课程化包装 · 开通态切换） */
.td-lock { display:flex; align-items:center; gap:14px; flex-wrap:wrap; background:linear-gradient(135deg, rgba(201,162,75,.12), rgba(201,162,75,.05)); border:1px solid rgba(201,162,75,.4); border-radius:14px; padding:12px 18px; margin:16px 0 4px; }
.tlock-ask { color:#7a5f1e; font-size:14px; font-weight:600; }
.td-lock .btn-primary { padding:9px 20px; font-size:14px; }
.tlock-ok { color:#0B2A52; font-size:14px; font-weight:700; display:inline-flex; align-items:center; gap:8px; }
.tlock-ok::before { content:''; width:8px; height:8px; border-radius:99px; background:linear-gradient(135deg,#F6D884,#C9A24B); box-shadow:0 0 8px rgba(201,162,75,.7); }
.cc-go { color:#8a6d2f; font-weight:800; font-size:12.5px; margin-top:auto; letter-spacing:.2px; }
.ccard { border-top:3px solid rgba(201,162,75,.55); }

/* v1.21fix：白底说明性文字可读性——#b8c0c9（2.1:1）提至 #98a2ad（≈3.3:1），
   支付/演示合规提示不允许接近隐形；纯装饰性小字维持原灰 */
.pay-note, .lg-privacy, .lg-qr-ph span, .adv-ph span, .adv-note, .payok-foot,
.ai-wall-n, .lg-wx-reset, .foot-dv, .foot-note { color:#98a2ad; }

/* v1.16fix：工具教程 hero 用 h1.sec，补同款金色 eyebrow（深底用亮金） */
h1.sec:before { content:attr(data-eyebrow); display:block; font-size:11px; font-weight:700; letter-spacing:2.6px; color:#F5D57E; margin-bottom:9px; text-shadow:0 1px 10px rgba(245,213,126,.35); }
h1.sec:not([data-eyebrow]):before { display:none; }
h1.sec[data-eyebrow]:after { content:""; display:block; width:34px; height:2px; background:linear-gradient(90deg,#F5D57E,transparent); margin-top:10px; }
/* v1.21fix：深蓝 hero 里的 h1.sec 须为白字——此前只给 lib-head 补了覆盖，tools-hero 漏了，
   标题继承正文深色 #2c3640，在 #0B2A52 底上发黑（尹总 2026-10-26 截图指认） */
#view-tools .tools-hero h1.sec { color:#fff; text-shadow:0 2px 18px rgba(7,27,54,.45); }

/* v1.17：课程库头部横幅背景效果图（lib-bg 知识网络）+ 工具教程 hero 背景图提亮 */
.tools-hero-bg { opacity:1; }
.tools-hero::after { background:linear-gradient(100deg, rgba(11,42,82,.94) 0%, rgba(11,42,82,.72) 36%, rgba(11,42,82,.28) 48%, rgba(11,42,82,.05) 62%, rgba(11,42,82,.34) 100%); }
.lib-head { position:relative; background:#0B2A52 url('../img/brand/lib-bg.jpg') center/cover no-repeat; padding:46px 0 28px; border-radius:24px; margin-bottom:30px; overflow:hidden; box-shadow:0 24px 60px rgba(7,27,54,.28); }
.lib-head::before { content:''; position:absolute; inset:0; background:linear-gradient(90deg, rgba(11,42,82,.95) 0%, rgba(11,42,82,.78) 42%, rgba(11,42,82,.32) 78%, rgba(11,42,82,.55) 100%); }
.lib-head > * { position:relative; z-index:1; }
.lib-head h2.sec { color:#fff; }
.lib-head h2.sec:before { color:#F5D57E; text-shadow:0 1px 10px rgba(245,213,126,.35); }
.lib-head h2.sec[data-eyebrow]:after { background:linear-gradient(90deg,#F5D57E,transparent); }
.lib-head p.sec-sub { color:#dbe5f1; }
.lib-head .cat-tabs { margin-bottom:0; }
.lib-head .cat-tab { background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.20); color:#e8eef7; backdrop-filter:blur(4px); }
.lib-head .cat-tab.on { background:linear-gradient(135deg,#F6D884,#C9A24B); border-color:transparent; color:#0B2A52; font-weight:700; box-shadow:0 6px 18px rgba(201,162,75,.35); }
@media (max-width:680px) {
  .lib-head { padding:32px 0 22px; border-radius:18px; margin-bottom:24px; background-position:right center; }
  .lib-head h2.sec { font-size:20px; }
}

/* ============================================================
   v1.22 双端比例修复（桌面 / 平板 / 手机）
   ============================================================ */

/* 平板：恢复中等内边距、隐藏演示窗，首屏不再被撑到 1.5 屏 */
@media (min-width:641px) and (max-width:1024px) {
  .hero { padding:64px 0 52px; }
  .hero h1 { font-size:clamp(34px,5vw,46px); line-height:1.2; }
  .hero .sub { font-size:16px; }
  .hero-stats { gap:18px 30px; margin-top:28px; padding-top:0; border-top:none; flex-wrap:wrap; }
  .hero-stats .stat { padding:0; border-right:none; flex:0 1 auto; }
  .stat .n { font-size:26px; }
  .ai-demo { display:none; }
  .hero-grid { gap:0; }
}

/* 付费墙：≤640 底部抽屉 + 内部滚动 + 安全区 */
@media (max-width:640px) {
  .pw-mask { align-items:flex-end; padding:0; }
  .pw-modal { max-height:calc(100dvh - 12px); border-radius:18px 18px 0 0; padding-bottom:calc(18px + env(safe-area-inset-bottom)); }
  .sticky-in { gap:10px; padding:0 14px; }
  .sticky .sx { font-size:12px; }
  .sticky .sx b { font-size:17px; }
  .sticky .sx-sub { display:none; }
  .sticky .go { padding:9px 16px; font-size:14px; }
}

/* AI 助教悬浮：手机过首屏再出现，避开首屏主按钮；底部让出底栏 */
@media (max-width:1024px) {
  .ai-fab { right:14px; bottom:calc(96px + env(safe-area-inset-bottom)); padding:9px 14px; font-size:12.5px; }
  body:not(.scrolled) .ai-fab { opacity:0; pointer-events:none; }
}

/* 触控目标 */
footer a { display:inline-block; padding:3px 0; }
.lc-more { padding:8px 0; }

/* 会员页 hero：说明文收窄居中，避免长行贴边 */
.member-hero p { max-width:680px; margin-left:auto; margin-right:auto; }

/* 详情页桌面：说明卡改成双栏，消除整卡右侧空白 */
@media (min-width:1025px) {
  #view-detail .infobox ul.gains { display:grid; grid-template-columns:1fr 1fr; gap:0 34px; }
}

/* 首屏统计：数字不断行（v1.22 实测 "35.9 万元+" 会在 4 列里拆成两行） */
.stat .n { white-space:nowrap; }
@media (min-width:1025px) {
  .hero-stats .stat { padding:0 18px; }
  .stat .n { font-size:28px; }
}

/* 付费墙允许内部滚动（1032 行的 overflow:hidden 会盖掉滚动，矮屏必须可滚） */
.pw-modal { overflow-y:auto; overflow-x:hidden; }

/* v1.22 视觉收口：内联锁图标 / 移动导航边缘渐隐 / 抽屉安全区 / 1280 首屏 */
.ico-lock { vertical-align:-1px; }
.lk .ico-lock { margin:0; }
.cv-lock .ico-lock { vertical-align:-1px; }
.ai-drawer { max-height:calc(100dvh - 24px - env(safe-area-inset-bottom)); margin-bottom:calc(12px + env(safe-area-inset-bottom)); }
@media (min-width:1025px) and (max-width:1400px) { .hero { padding:72px 0 60px; } }

/* v1.22 人群落地页：补主视觉、痛点改三卡、证言改引用条——消除大面积空白 */
.p-hero { background:linear-gradient(100deg, rgba(7,24,46,.97) 0%, rgba(9,34,68,.86) 48%, rgba(9,34,68,.52) 100%), url(../img/brand/work-bg.jpg) center/cover no-repeat; padding:72px 0 62px; }
.p-pains { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; background:none; border:none; padding:0; margin-top:20px; }
.p-pains .pp { background:#fdf3f3; border:1px solid #ecd9d9; border-radius:14px; padding:18px 20px; }
.proof { background:#fff; border:1px solid #e8d9a8; border-left:4px solid #C9A24B; border-radius:12px; padding:18px 22px; font-size:15px; }
@media (max-width:760px){ .p-pains { grid-template-columns:1fr; } }

/* 成功页礼包图标 */
.payok-gift b svg { vertical-align:-2px; margin-right:4px; color:#C9A24B; }

/* 工具卡：1440 下 5 列过窄，改 3 列（3+2），文字回到可读宽度 */
@media (min-width:981px) { .tool-grid { grid-template-columns:repeat(3,1fr); gap:18px; } }
@media (min-width:641px) and (max-width:980px) { .tool-grid { grid-template-columns:repeat(2,1fr); } }

/* 人群页证言条：右侧补一个大引号，填掉空白 */
.proof { position:relative; overflow:hidden; }
.proof:after { content:"“"; position:absolute; right:22px; top:-18px; font-family:Georgia,serif; font-size:110px; line-height:1; color:rgba(201,162,75,.16); pointer-events:none; }

/* 成功页：矮屏优先露出"加顾问/开始学习"，权益清单交给会员中心 */
@media (max-width:640px) and (max-height:760px) {
  .payok-modal { padding-top:22px; }
  .payok-list li:nth-child(n+3) { display:none; }
  .payok-check { width:54px; height:54px; font-size:26px; }
  .payok-title { font-size:21px; margin-top:8px; }
  .payok-gift { padding:12px 10px; }
  .payok-main { margin-top:14px; }
}

/* 人群页节奏收紧；导航链接补足 44px 触控高度 */
@media (min-width:641px) { #view-persona section.block { margin-top:68px; } }
.nav-link { padding:13px 0; }
.pw-skip { padding:13px 0; }

/* 390 宽下 6 个导航项刚好排满，减少横向截断 */
@media (max-width:640px) {
  .nav-links { gap:14px; -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 18px),transparent); mask-image:linear-gradient(90deg,#000 calc(100% - 18px),transparent); }
}

/* ============================================================
   会员态界面：已开通用户不再看到任何"立即开通/¥398"销售位
   ============================================================ */
.only-member { display:none !important; }
body.is-member .only-guest { display:none !important; }
body.is-member .only-member { display:block !important; }
body.is-member button.only-member { display:inline-block !important; }
body.is-member .nav-cta.only-member { display:block !important; }
body.is-member #sticky { display:none !important; }
body.is-member #mobile-cta { display:none !important; }
@media (max-width:640px) {
  body.is-member .nav-cta.only-member { display:none !important; }
}

.mem-kicker { color:#c7d2e2; font-size:14px; letter-spacing:2px; }
.mem-no { font-size:clamp(40px,5vw,58px); font-weight:800; color:#F5D57E; line-height:1.15; margin:8px 0 4px; font-variant-numeric:tabular-nums; }
.mem-sub { color:#c6d4e5; font-size:14px; line-height:1.8; margin-top:4px; }
.mem-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-top:20px; }

/* 会员手机端：导航只留编号标签，避免手机号+长标签挤出屏幕 */
@media (max-width:640px) {
  .nav-user .nu-phone { display:none; }
}

/* 会员态：需要保持行内布局的元素（胶囊/标签） */
body.is-member .hero-live.only-member { display:inline-flex !important; }
body.is-member .batch-note.only-member { display:inline-block !important; }

/* v1.24 移动端会员页排版收口 */
.mem-note .note-line { display:inline; }
.mem-note .note-line + .note-line:before { content:" · "; }
@media (max-width:640px) {
  .mem-note { text-wrap:balance; }
  .mem-note .note-line { display:block; }
  .mem-note .note-line + .note-line:before { content:none; }
  .mem-note .note-extra { display:none; }
  .member-hero .only-guest .btn-primary { width:100%; max-width:100%; }
}

/* v1.28 可访问性与图标收口 */
[role="button"]:focus-visible, .nav-link:focus-visible, .logo:focus-visible, .cat-tab:focus-visible {
  outline:2px solid #C9A24B; outline-offset:2px; border-radius:8px;
}
.mc-tier b svg { vertical-align:-2px; margin-right:5px; color:#C9A24B; }

/* v1.29 真实手机号登录：隐私勾选 / 按钮禁用 / 微信待开放 */
.lg-consent { display:flex; gap:8px; align-items:flex-start; font-size:12px; color:#6b7684; margin-top:12px; line-height:1.65; cursor:pointer; }
.lg-consent input { width:16px; height:16px; margin-top:1px; accent-color:#C9A24B; flex:none; cursor:pointer; }
.lg-consent a { color:#8a6d2f; text-decoration:underline; cursor:pointer; }
.lg-main:disabled { opacity:.55; cursor:not-allowed; }
.lg-wx-soon { text-align:center; padding:22px 6px 10px; color:#6b7684; }
.lg-wx-soon-ico { width:58px; height:58px; border-radius:16px; background:#faf3e3; border:1px solid #eadfc3; display:flex; align-items:center; justify-content:center; margin:0 auto 12px; }
.lg-wx-soon b { display:block; color:#0B2A52; font-size:16px; margin-bottom:8px; }
.lg-wx-soon p { font-size:13px; line-height:1.8; max-width:300px; margin:0 auto; }
.lg-err.note { color:#2f7d4f; }

/* v1.35 只读预览：保留课程与价格，隐藏登录/购买入口 */
.nav-preview { font-size:12px; color:#c6d4e5; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); border-radius:999px; padding:6px 12px; white-space:nowrap; }
body.is-pay-off .nav-cta,
body.is-pay-off #sticky,
body.is-pay-off #mobile-cta,
body.is-pay-off .hero .btn-primary,
body.is-pay-off #view-member .btn-primary,
body.is-pay-off .view-member .btn-primary,
body.is-pay-off .mc-guide .btn-primary,
body.is-pay-off .cta-card button,
body.is-pay-off .tlock-ask .btn-primary,
body.is-pay-off #ai-wall .btn-primary { display:none !important; }

@media (max-width:640px){
  body.is-preview .nav-preview { font-size:11px; padding:5px 9px; }
  body.is-preview .nav-preview .np-more { display:none; }
}

@media (max-width:640px){
  body.is-preview .nav-auth { position:fixed; top:10px; right:12px; z-index:60; margin:0; }
  body.is-preview .nav-preview { background:rgba(11,42,82,.92); }
}

/* v1.38 预览提示条：不依赖导航布局，手机/桌面都可见 */
.preview-bar { background:#123a6e; color:#e8cf9a; text-align:center; font-size:12px; line-height:1.6; padding:6px 12px; border-bottom:1px solid rgba(201,162,75,.3); }
.preview-bar[hidden] { display:none; }

/* P0 混合交付：官方课程 + 模板 + 任务 */
.delivery { background:#fff; border:1px solid #e5e9ef; border-radius:14px; padding:24px 28px; margin-top:18px; }
.dl-head { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap; }
.dl-k { font-size:11px; letter-spacing:1.5px; color:#8a6d2f; font-weight:700; }
.delivery h3 { font-size:18px; color:#0B2A52; margin:4px 0; }
.dl-note { font-size:12.5px; color:#6b7684; line-height:1.6; margin:0; }
.dl-official { display:inline-flex; align-items:center; min-height:40px; padding:9px 16px; border-radius:10px; background:#0B2A52; color:#e8cf9a; text-decoration:none; font-size:13px; font-weight:700; white-space:nowrap; }
.dl-official:hover { background:#123a6e; }
.dl-official.off { background:#f0f2f5; color:#8a94a0; font-weight:600; }
.dl-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:16px 0; }
.dl-step { display:flex; gap:9px; align-items:flex-start; background:#f8fafc; border:1px solid #eef1f5; border-radius:10px; padding:10px 12px; font-size:12.5px; color:#3d4854; line-height:1.55; }
.dl-step i { flex:none; width:20px; height:20px; border-radius:50%; background:#C9A24B; color:#fff; font-style:normal; font-size:11px; font-weight:700; display:flex; align-items:center; justify-content:center; margin-top:1px; }
.dl-grid { display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:6px; }
.dl-grid h4 { font-size:13px; color:#0B2A52; margin:0 0 4px; }
.dl-res { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:10px 0; border-bottom:1px solid #f0f2f5; }
.dl-res b { font-size:13px; color:#2c3640; }
.dl-res p { font-size:11.5px; color:#8a94a0; margin:3px 0 0; line-height:1.5; }
.dl-res button, .dl-cta button { flex:none; border:1px solid rgba(201,162,75,.55); background:#fff; color:#8a6d2f; border-radius:8px; padding:6px 11px; font-size:12px; font-weight:600; cursor:pointer; }
.dl-res button:hover, .dl-cta button:hover { background:#C9A24B; color:#221708; }
.dl-task { display:flex; gap:9px; align-items:flex-start; padding:9px 0; border-bottom:1px solid #f0f2f5; font-size:12.5px; color:#3d4854; line-height:1.55; cursor:pointer; }
.dl-task input { flex:none; margin-top:3px; accent-color:#C9A24B; }
.dl-task.done span { color:#8a94a0; text-decoration:line-through; }
.dl-cta { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-top:16px; padding:12px 14px; background:#fdf8ec; border:1px solid rgba(201,162,75,.35); border-radius:10px; font-size:13px; color:#5b4a24; }
@media (max-width:760px){
  .delivery { padding:18px 16px; }
  .dl-steps, .dl-grid { grid-template-columns:1fr; }
  .dl-grid { gap:14px; }
  .dl-official { width:100%; justify-content:center; }
  .dl-cta { flex-direction:column; align-items:flex-start; }
}

.dl-source { margin:14px 0 0; font-size:11px; color:#a0a8b3; line-height:1.6; }