/*
Theme Name: Start11 中文代理站
Theme URI: https://start11.com.cn/
Author: Start11 中文站
Description: Start11 v3 中文代理站定制主题，含首页、下载、购买、教程、激活、问题解决模板。
Version: 1.0.0
Text Domain: start11
*/

:root {
  --ink: #0b1226;
  --ink-2: #1b2540;
  --muted: #5b6884;
  --line: #e3e9f4;
  --bg: #f4f7fd;
  --white: #fff;
  --brand: #1668ff;
  --brand-2: #00c6ff;
  --brand-soft: #eaf2ff;
  --green: #0aa06e;
  --gold: #b8860b;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(15, 35, 80, .10);
  --shadow-lg: 0 30px 80px rgba(9, 24, 60, .18);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.28; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section.alt { background: var(--bg); }
.section.tight { padding: 64px 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-size: 15px; font-weight: 600;
  line-height: 1.2; border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand), #0b53d6); color: #fff; box-shadow: 0 10px 24px rgba(22, 104, 255, .28); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(22, 104, 255, .38); color: #fff; }
.btn-outline { border-color: #c9d7f3; color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btn-ghost-light { border-color: rgba(255,255,255,.34); color: #fff; background: rgba(255,255,255,.08); }
.btn-ghost-light:hover { background: rgba(255,255,255,.16); color: #fff; }
.btn-white { background: #fff; color: var(--brand); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.btn-white:hover { color: var(--brand); }
.btn-lg { padding: 16px 30px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 8px; }
.btn svg { flex: none; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(225, 233, 247, .9);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: -.01em; line-height: 1.15; }
.brand-name small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: .08em; }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { color: var(--ink-2); font-size: 15px; font-weight: 500; }
.main-nav a:hover { color: var(--brand); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 11px 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: #071022;
  color: #fff;
  padding: 92px 0 104px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 480px at 78% 12%, rgba(0, 198, 255, .26), transparent 62%),
    radial-gradient(700px 460px at 12% 4%, rgba(22, 104, 255, .34), transparent 60%),
    radial-gradient(600px 420px at 50% 110%, rgba(120, 84, 255, .18), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .35;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px; border-radius: 100px; font-size: 13.5px; font-weight: 600;
  color: #bfe1ff; background: rgba(0, 149, 255, .14); border: 1px solid rgba(80, 180, 255, .32);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #38e1a4; box-shadow: 0 0 0 4px rgba(56,225,164,.18); }
.hero h1 { font-size: 52px; line-height: 1.16; margin: 22px 0 20px; font-weight: 800; letter-spacing: -.02em; }
.hero h1 .grad { background: linear-gradient(100deg, #58c8ff, #7ea7ff 55%, #b18dff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 17.5px; color: rgba(228, 238, 255, .78); max-width: 560px; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { margin-top: 18px; font-size: 13px; color: rgba(200, 216, 240, .6); }
.hero-note b { color: #9fe0c4; font-weight: 600; }
.hero-stats { display: flex; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .stat .num { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.hero-stats .stat .num em { font-style: normal; color: #66d2ff; }
.hero-stats .stat .lbl { font-size: 13px; color: rgba(200, 216, 240, .6); margin-top: 2px; }
.hero-visual { position: relative; }
.hero-visual .glow { position: absolute; inset: 8% 6%; background: radial-gradient(closest-side, rgba(0, 160, 255, .5), transparent); filter: blur(30px); }
.hero-visual img {
  position: relative; border-radius: 16px; border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .55); transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}
.hero-visual .float-card {
  position: absolute; left: -26px; bottom: -26px; z-index: 3;
  display: flex; align-items: center; gap: 12px;
  background: rgba(11, 20, 40, .82); border: 1px solid rgba(255,255,255,.15);
  border-radius: 14px; padding: 12px 16px; backdrop-filter: blur(8px);
  box-shadow: 0 18px 40px rgba(0,0,0,.4);
}
.hero-visual .float-card img { width: 34px; height: 34px; border: 0; box-shadow: none; transform: none; border-radius: 8px; }
.hero-visual .float-card .t { font-size: 12px; color: rgba(220,232,255,.72); line-height: 1.4; }
.hero-visual .float-card .t b { display: block; font-size: 14px; color: #fff; }

/* ---------- 信任条 ---------- */
.trustbar { background: #0d1730; border-top: 1px solid rgba(255,255,255,.08); color: rgba(214, 228, 250, .8); }
.trustbar .row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 30px; padding: 17px 0; font-size: 13.5px; }
.trustbar span { display: inline-flex; align-items: center; gap: 8px; }
.trustbar svg { color: #58c8ff; }

/* ---------- 区块标题 ---------- */
.section-head { max-width: 780px; margin: 0 auto 52px; text-align: center; }
.section-tag {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  color: var(--brand); text-transform: uppercase; margin-bottom: 12px;
}
.section-title { font-size: 36px; font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--muted); margin: 0; }

/* ---------- 评价条 ---------- */
.pressbar { border-bottom: 1px solid var(--line); background: #fff; }
.pressbar .row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px 46px; padding: 22px 0; }
.pressbar .item { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.pressbar .item b { font-size: 16px; color: var(--ink-2); font-weight: 800; letter-spacing: .02em; }
.pressbar .item .q { max-width: 330px; color: #6a7793; font-size: 13px; line-height: 1.5; }

/* ---------- 功能卡片 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; transition: .22s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe0ff; }
.feature-icon {
  width: 52px; height: 52px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #eef5ff, #e4eeff); color: var(--brand); margin-bottom: 18px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 9px; }
.feature-card p { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- 展示区 ---------- */
.showcase-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.showcase-visual img { border-radius: 14px; box-shadow: var(--shadow-lg); border: 1px solid #e6edf8; }
.showcase-list { display: grid; gap: 20px; }
.showcase-item { display: flex; gap: 14px; }
.showcase-item .idx {
  flex: none; width: 32px; height: 32px; border-radius: 9px; display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand); font-weight: 800; font-size: 14px;
}
.showcase-item h3 { font-size: 17px; margin-bottom: 4px; }
.showcase-item p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* ---------- 三种开始菜单样式 ---------- */
.styles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.style-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.style-card img { aspect-ratio: 16/9; object-fit: cover; }
.style-card .body { padding: 22px 24px 26px; }
.style-card h3 { font-size: 18px; margin-bottom: 6px; }
.style-card p { color: var(--muted); font-size: 14.5px; margin: 0; }
.style-card .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--brand); background: var(--brand-soft); padding: 3px 10px; border-radius: 100px; margin-bottom: 10px; }

/* ---------- 三步 ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px 30px; }
.step-card .num {
  position: absolute; top: -18px; left: 28px; width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px;
  color: #fff; background: linear-gradient(135deg, var(--brand), #0b53d6); box-shadow: 0 10px 22px rgba(22,104,255,.3);
}
.step-card h3 { font-size: 18px; margin: 14px 0 8px; }
.step-card p { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- 对比表 ---------- */
.compare-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.compare { width: 100%; border-collapse: collapse; min-width: 620px; }
.compare th, .compare td { padding: 15px 22px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
.compare thead th { background: #f7faff; font-size: 14px; color: var(--ink-2); font-weight: 700; }
.compare td:first-child { font-weight: 600; }
.compare tbody tr:last-child td { border-bottom: 0; }
.compare .yes { color: var(--green); font-weight: 600; }
.compare .no { color: #9aa6bd; }

/* ---------- 价格 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: stretch; }
.price-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px 26px;
  transition: .2s;
}
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.price-card.featured { border: 1.5px solid var(--brand); box-shadow: 0 22px 55px rgba(22,104,255,.16); }
.price-flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), #0b53d6); color: #fff;
  font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 100px; white-space: nowrap;
}
.price-name { font-size: 16px; font-weight: 700; line-height: 1.4; min-height: 45px; }
.price-sub { font-size: 13px; color: var(--muted); min-height: 44px; margin: 6px 0 0; }
.price-amount { display: flex; align-items: baseline; gap: 2px; margin: 8px 0 18px; }
.price-amount .cur { font-size: 17px; font-weight: 700; color: var(--ink-2); }
.price-amount .num { font-size: 42px; font-weight: 800; letter-spacing: -.03em; line-height: 1; color: var(--ink); }
.price-amount .per { font-size: 13px; color: var(--muted); margin-left: 4px; }
.price-feats { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 9px; }
.price-feats li { display: flex; gap: 8px; font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }
.price-feats li svg { flex: none; color: var(--green); margin-top: 3px; }
.price-card .btn { margin-top: auto; width: 100%; }
.price-note { text-align: center; color: var(--muted); font-size: 13.5px; margin-top: 26px; }

/* ---------- 用户评价 ---------- */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 26px 22px; }
.review-stars { color: #f5a623; font-size: 15px; letter-spacing: 2px; margin-bottom: 12px; }
.review-text { font-size: 14.5px; color: var(--ink-2); line-height: 1.75; margin-bottom: 20px; }
.review-author { display: flex; align-items: center; gap: 11px; }
.review-author .ava { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg,#dbe8ff,#bcd3ff); color: var(--brand); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.review-author .n { font-size: 14px; font-weight: 600; }
.review-author .t { font-size: 12px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 24px; background: none; border: 0; cursor: pointer; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--ink); font-family: inherit;
}
.faq-q .chev { width: 20px; height: 20px; flex: none; position: relative; transition: .25s; }
.faq-q .chev::before, .faq-q .chev::after { content: ""; position: absolute; background: var(--muted); border-radius: 2px; }
.faq-q .chev::before { width: 12px; height: 2px; top: 9px; left: 4px; }
.faq-q .chev::after { width: 2px; height: 12px; top: 4px; left: 9px; transition: .25s; }
.faq-item.open .faq-q .chev::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a .inner { padding: 0 24px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- CTA ---------- */
.cta-banner {
  position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(120deg, #0b3fa4, #1668ff 55%, #00a6ff);
  border-radius: 24px; padding: 66px 30px; color: #fff;
  box-shadow: 0 30px 70px rgba(15, 60, 160, .3);
}
.cta-banner::after {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background: radial-gradient(600px 260px at 50% -10%, rgba(255,255,255,.28), transparent 60%);
}
.cta-banner h2 { position: relative; z-index: 2; font-size: 34px; margin-bottom: 12px; }
.cta-banner p { position: relative; z-index: 2; color: rgba(255,255,255,.82); margin-bottom: 28px; font-size: 16px; }
.cta-banner .hero-cta { position: relative; z-index: 3; justify-content: center; }

/* ---------- 下载页 ---------- */
.page-hero { background: #071022; color: #fff; padding: 72px 0 76px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 380px at 82% 0%, rgba(0,198,255,.25), transparent 60%), radial-gradient(600px 360px at 8% 20%, rgba(22,104,255,.3), transparent 60%); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 42px; margin-bottom: 14px; }
.page-hero p { color: rgba(220,234,255,.76); font-size: 16.5px; max-width: 720px; margin: 0; }
.breadcrumb { font-size: 13px; color: rgba(210,226,250,.6); margin-bottom: 18px; }
.breadcrumb a { color: rgba(210,226,250,.8); }

.download-box { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.download-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.download-main h2 { font-size: 22px; margin-bottom: 8px; }
.file-row { display: flex; align-items: center; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.file-row:last-of-type { border-bottom: 0; }
.file-row .ico { width: 50px; height: 50px; border-radius: 12px; background: var(--brand-soft); display: flex; align-items: center; justify-content: center; color: var(--brand); flex: none; }
.file-row .meta { flex: 1; }
.file-row .meta b { font-size: 15.5px; }
.file-row .meta span { display: block; font-size: 12.5px; color: var(--muted); }
.download-side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.download-side h3 { font-size: 17px; margin-bottom: 14px; }
.download-side ul { list-style: none; display: grid; gap: 11px; }
.download-side li { display: flex; gap: 9px; font-size: 14px; color: var(--ink-2); }
.download-side li svg { flex: none; color: var(--green); margin-top: 3px; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.spec-table tr td { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; color: var(--muted); }
.spec-table tr td:last-child { text-align: right; color: var(--ink-2); font-weight: 600; }

/* ---------- 购买页 ---------- */
.buy-note { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 32px; margin-top: 28px; }
.buy-note h3 { font-size: 18px; margin-bottom: 10px; }
.buy-note p, .buy-note li { color: var(--muted); font-size: 14.5px; }
.buy-note ol { margin: 0; padding-left: 20px; }
.buy-note li { margin-bottom: 6px; }

/* ---------- 文章 ---------- */
.post-hero { background: #071022; color: #fff; padding: 56px 0 60px; position: relative; overflow: hidden; }
.post-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 340px at 80% 0%, rgba(0,198,255,.22), transparent 62%), radial-gradient(600px 320px at 10% 0%, rgba(22,104,255,.26), transparent 60%); }
.post-hero .container { position: relative; z-index: 2; max-width: 860px; }
.post-hero h1 { font-size: 34px; line-height: 1.35; margin: 12px 0 14px; }
.post-meta { font-size: 13px; color: rgba(210,226,250,.66); display: flex; flex-wrap: wrap; gap: 8px 18px; }
.post-meta a { color: rgba(220,236,255,.85); }

.article-wrap { max-width: 860px; margin: 0 auto; }
.article-body { font-size: 16.5px; line-height: 1.9; color: #22293a; padding: 52px 0 20px; }
.article-body h2 { font-size: 25px; margin: 40px 0 16px; padding-left: 14px; border-left: 4px solid var(--brand); }
.article-body h3 { font-size: 20px; margin: 30px 0 12px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; }
.article-body li { margin-bottom: 9px; }
.article-body img { border-radius: 12px; margin: 22px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article-body th { background: #f3f7ff; }
.article-body blockquote { margin: 22px 0; padding: 16px 22px; background: #f4f8ff; border-left: 4px solid #a9c8ff; border-radius: 0 10px 10px 0; color: #44506b; font-size: 15px; }
.article-body a { text-decoration: underline; text-underline-offset: 3px; }
.article-body code { background: #f1f4fa; padding: 2px 6px; border-radius: 4px; font-size: 14px; }

.article-cta {
  margin: 36px 0; padding: 26px 28px; border-radius: 14px;
  background: linear-gradient(120deg, #f0f6ff, #e9f1ff); border: 1px solid #d8e6ff;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.article-cta .t b { display: block; font-size: 17px; margin-bottom: 3px; }
.article-cta .t span { font-size: 13.5px; color: var(--muted); }

.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 30px 0 0; border-top: 1px solid var(--line); }
.article-nav a { display: block; background: #f7faff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; color: var(--ink); }
.article-nav a:hover { border-color: #c8dcff; }
.article-nav .lbl { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.article-nav .t { font-size: 14.5px; font-weight: 600; line-height: 1.5; }
.article-nav a.next { text-align: right; }

/* ---------- 帮助中心 ---------- */
.help-group { margin-bottom: 44px; }
.help-group h2 { font-size: 22px; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.help-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.help-list a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 24px; border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: 15px; }
.help-list a:last-child { border-bottom: 0; }
.help-list a:hover { background: #f7faff; color: var(--brand); }
.help-list a span.date { font-size: 12.5px; color: var(--muted); flex: none; }

/* ---------- 列表页 ---------- */
.archive-hero { background: #071022; color: #fff; padding: 56px 0 58px; }
.archive-hero h1 { font-size: 34px; margin-bottom: 10px; }
.archive-hero p { color: rgba(214,230,255,.7); font-size: 15px; margin: 0; }
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .2s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.post-card .thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, #0d2a63, #1466e0); position: relative; overflow: hidden; }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card .body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.post-card .cat { font-size: 12px; color: var(--brand); font-weight: 700; margin-bottom: 8px; }
.post-card h3 { font-size: 17.5px; line-height: 1.5; margin-bottom: 10px; color: var(--ink); }
.post-card p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0 0 16px; flex: 1; }
.post-card .more { font-size: 13.5px; font-weight: 600; color: var(--brand); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-2); font-size: 14px; }
.pagination a:hover { border-color: var(--brand); color: var(--brand); }
.pagination .current { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- 页脚 ---------- */
.site-footer { background: #07101f; color: rgba(205, 220, 244, .72); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand img { width: 36px; height: 36px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-name small { color: rgba(190, 208, 236, .55); }
.footer-desc { font-size: 13.5px; line-height: 1.8; color: rgba(190, 208, 236, .62); max-width: 340px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 15px; font-weight: 600; }
.footer-col a { display: block; color: rgba(200, 216, 240, .68); font-size: 13.5px; margin-bottom: 9px; }
.footer-col a:hover { color: #66c9ff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0 26px; }
.footer-declare { font-size: 12px; line-height: 1.9; color: rgba(180, 198, 226, .5); max-width: 980px; margin: 0 auto 14px; }
.footer-declare b { color: rgba(205, 222, 248, .78); font-weight: 600; }
.footer-copy { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; color: rgba(180, 198, 226, .52); }
.footer-copy a { color: rgba(190, 208, 236, .62); }

/* ---------- 404 ---------- */
.err-wrap { text-align: center; padding: 120px 0; }
.err-wrap .code { font-size: 90px; font-weight: 800; color: var(--brand); line-height: 1; }
.err-wrap h1 { font-size: 26px; margin: 18px 0 10px; }
.err-wrap p { color: var(--muted); margin-bottom: 26px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 720px; }
  .hero-visual img { transform: none; }
  .features-grid, .styles-grid, .reviews-grid, .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-inner { grid-template-columns: 1fr; gap: 36px; }
  .download-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 27px; }
  .hero { padding: 60px 0 70px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15.5px; }
  .hero-stats { gap: 26px; margin-top: 34px; }
  .main-nav {
    display: none; position: absolute; left: 0; right: 0; top: 74px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 14px 24px 20px;
    flex-direction: column; align-items: flex-start; gap: 4px; box-shadow: 0 18px 30px rgba(10,25,60,.08);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 9px 0; width: 100%; }
  .nav-toggle { display: block; }
  .nav-actions .btn-outline { display: none; }
  .features-grid, .styles-grid, .reviews-grid, .posts-grid, .pricing-grid, .steps-grid { grid-template-columns: 1fr; }
  .pressbar .item .q { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .page-hero h1, .archive-hero h1 { font-size: 30px; }
  .post-hero h1 { font-size: 25px; }
  .article-body { font-size: 16px; }
  .article-nav { grid-template-columns: 1fr; }
  .hero-visual .float-card { left: 8px; bottom: -18px; }
  .cta-banner h2 { font-size: 26px; }
  .download-main { padding: 24px 20px; }
}