/* =========================================================
   易悬赏官网样式  |  主色 #43A047（个人中心同款绿）
   ========================================================= */
:root {
  --primary: #43A047;
  --primary-dark: #2E7D32;
  --primary-light: #EAF6EB;
  --ink: #1F2430;
  --ink-2: #5A6072;
  --line: #ECEEF3;
  --bg: #FFFFFF;
  --bg-soft: #F7F8FA;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(31, 36, 48, .10);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 999px;
  font-size: 16px; font-weight: 600; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(67, 160, 71, .35); text-shadow: 0 1px 2px rgba(0,0,0,.12); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-android { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.btn-ios { background: rgba(255,255,255,.16); color: #fff; border: 1.5px solid rgba(255,255,255,.65); backdrop-filter: blur(4px); }
.btn-ios:hover { background: rgba(255,255,255,.28); }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.btn-sm { padding: 9px 22px; font-size: 14px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 2px 16px rgba(31,36,48,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 7px; text-decoration: none; }
.brand img { width: 30px; height: 30px; flex-shrink: 0; }
.brand-name { font-size: 18px; font-weight: 800; color: var(--primary); letter-spacing: .5px; line-height: 1; }
.brand-tag { font-size: 11px; color: var(--ink-2); border-left: 1px solid var(--line); padding-left: 8px; line-height: 1; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 18px; font-size: 13.5px; font-weight: 500; }
.site-nav a { color: var(--ink); transition: color .2s; white-space: nowrap; }
.site-nav a:hover { color: var(--primary); }
.site-nav a[aria-current="page"] { color: var(--primary); font-weight: 600; }
.site-nav .nav-cta {
  background: var(--primary); color: #fff; padding: 7px 20px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 12px rgba(67,160,71,.25);
}
.site-nav .nav-cta:hover { color: #fff; background: var(--primary-dark); box-shadow: 0 6px 16px rgba(67,160,71,.35); }
.nav-toggle { display: none; background: none; border: none; width: 38px; height: 38px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 120px;
  background: linear-gradient(160deg, #86C97C 0%, #52AE52 45%, #2E7D32 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.08); pointer-events: none;
}
.hero::before { width: 460px; height: 460px; top: -160px; right: -120px; }
.hero::after { width: 300px; height: 300px; bottom: 40px; left: -140px; }
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 1px;
  background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.4);
  padding: 5px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.28; font-weight: 800; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: #FFD65C; }
.hero-sub { margin: 20px 0 30px; font-size: 17px; max-width: 540px; opacity: .94; }
.hero-stats { display: flex; gap: 44px; margin-bottom: 36px; }
.stat strong { display: block; font-size: 28px; font-weight: 800; }
.stat span { font-size: 13px; opacity: .85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-note { margin-top: 14px; font-size: 13px; opacity: .8; }

.hero-visual { display: flex; align-items: center; justify-content: center; gap: 26px; }
.phone-frame {
  width: 272px; padding: 12px; border-radius: 42px;
  background: #1F2430;
  box-shadow: 0 30px 60px rgba(0,0,0,.35), inset 0 0 0 2px #3a4152;
  transform: rotate(3deg);
  transition: transform .4s ease;
}
.phone-frame:hover { transform: rotate(0deg) scale(1.02); }
.phone-frame img { border-radius: 32px; width: 100%; height: auto; }
.qr-card {
  background: #fff; color: var(--ink);
  padding: 18px 16px 14px; border-radius: var(--radius);
  box-shadow: var(--shadow); text-align: center;
}
.qr-card img { margin: 0 auto 10px; }
.qr-card figcaption { font-size: 14px; font-weight: 600; line-height: 1.5; }
.qr-card small { font-weight: 400; color: var(--ink-2); }
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; }
.hero-wave svg { width: 100%; height: 60px; }

/* ---------- 通用 Section ---------- */
.section { padding: 88px 0; }
.section-title { font-size: clamp(26px, 3vw, 36px); font-weight: 800; text-align: center; letter-spacing: 1px; }
.section-title.left { text-align: left; }
.section-sub { text-align: center; color: var(--ink-2); margin: 12px 0 52px; font-size: 16px; }

/* ---------- 平台优势 ---------- */
.features { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 34px 26px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); background: #fff; }
.feature-icon {
  width: 58px; height: 58px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c, var(--primary));
  background: color-mix(in srgb, var(--c, var(--primary)) 12%, #fff);
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 特色玩法亮点 ---------- */
.highlights { background: var(--bg-soft); }
.highlight-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.highlight-card {
  position: relative; overflow: hidden;
  border-radius: 20px; color: #fff;
  background: linear-gradient(135deg, var(--hc1, #43A047), var(--hc2, #2E7D32));
  box-shadow: 0 14px 36px rgba(31,36,48,.14);
  transition: transform .25s ease, box-shadow .25s ease;
}
.highlight-card:hover { transform: translateY(-6px); box-shadow: 0 20px 48px rgba(31,36,48,.2); }
.highlight-card::after {
  content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%;
  background: rgba(255,255,255,.1); top: -90px; right: -70px; pointer-events: none;
}
.hl-img { display: flex; align-items: stretch; gap: 10px; }
.hl-copy { flex: 1; padding: 32px 6px 32px 32px; position: relative; z-index: 1; }
.hl-shot {
  flex-shrink: 0; display: flex; align-items: flex-end;
  padding: 28px 24px 0 0; position: relative; z-index: 1;
}
.hl-shot img {
  width: 190px; border-radius: 18px 18px 0 0;
  border: 5px solid rgba(255,255,255,.35); border-bottom: none;
  box-shadow: 0 -8px 30px rgba(0,0,0,.18);
}
.hl-text { padding: 32px; }
.hl-tag {
  display: inline-block; font-size: 12.5px; font-weight: 600; letter-spacing: 1px;
  background: rgba(255,255,255,.22); border: 1px solid rgba(255,255,255,.4);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 14px;
}
.highlight-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px; letter-spacing: .5px; }
.highlight-card p { font-size: 14.5px; line-height: 1.75; opacity: .95; }
.hl-points { list-style: none; margin-top: 14px; }
.hl-points li {
  position: relative; padding-left: 20px; font-size: 13.5px;
  margin-bottom: 6px; opacity: .92;
}
.hl-points li::before {
  content: "✓"; position: absolute; left: 0; font-weight: 700;
  color: #FFD65C;
}

/* ---------- 今日任务展示 ---------- */
.taskboard { background: #fff; }
.task-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.task-card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 22px 18px;
  transition: transform .22s ease, box-shadow .22s ease, background .22s;
}
.task-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); background: #fff; }
.task-type {
  display: inline-block; font-size: 12.5px; font-weight: 600;
  color: var(--tc, var(--primary));
  background: color-mix(in srgb, var(--tc, var(--primary)) 12%, #fff);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 12px;
}
.task-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 6px; }
.task-meta { font-size: 13px; color: var(--ink-2); margin-bottom: 14px; }
.task-foot {
  display: flex; align-items: baseline; justify-content: space-between;
  border-top: 1px dashed var(--line); padding-top: 12px;
}
.task-foot strong { font-size: 22px; font-weight: 800; color: #E53E3E; }
.task-foot span { font-size: 12.5px; color: var(--ink-2); }
.task-note { text-align: center; margin-top: 26px; font-size: 13px; color: var(--ink-2); }

/* ---------- 步骤 ---------- */
.steps { background: var(--bg-soft); }
.step-list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step-item {
  position: relative; background: #fff; border-radius: var(--radius);
  padding: 40px 30px 34px; border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s;
}
.step-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-num {
  position: absolute; top: -18px; left: 26px;
  font-size: 15px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--primary), #7CC46F);
  padding: 6px 16px; border-radius: 999px;
  box-shadow: 0 6px 14px rgba(67,160,71,.35);
}
.step-item h3 { font-size: 20px; margin-bottom: 10px; }
.step-item p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 应用预览 ---------- */
.screens-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.screens-copy > p { color: var(--ink-2); margin: 18px 0 22px; }
.check-list { list-style: none; margin-bottom: 32px; }
.check-list li { padding-left: 32px; position: relative; margin-bottom: 12px; font-size: 15.5px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 5px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary-light) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2343A047' d='M9.55 17.05L4.5 12l1.4-1.4 3.65 3.65 8.55-8.55 1.4 1.4z'/%3E%3C/svg%3E") center/13px no-repeat;
}
.screens-visual { display: flex; justify-content: center; }
.screens-visual img {
  width: 300px; border-radius: 28px;
  box-shadow: 0 24px 60px rgba(31,36,48,.18);
  border: 8px solid #fff; outline: 1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq { background: var(--bg-soft); }
.faq-container { max-width: 820px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  margin-bottom: 14px; overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 20px 52px 20px 24px; font-size: 16.5px; font-weight: 600;
  position: relative; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--primary);
  transition: transform .25s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item[open] summary { color: var(--primary); }
.faq-item p { padding: 0 24px 20px; color: var(--ink-2); font-size: 15px; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(135deg, #66BB6A, #2E7D32);
  color: #fff; padding: 72px 0; text-align: center;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; }
.cta-inner p { margin: 12px 0 28px; opacity: .92; }

/* ---------- 页脚 ---------- */
.site-footer { background: #191D26; color: #B9BECC; font-size: 14px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 40px; padding: 60px 0 44px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand-name { color: #fff; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h3 { color: #fff; font-size: 15px; margin-bottom: 6px; }
.footer-links a:hover { color: var(--primary); }
.footer-qr { text-align: center; }
.footer-qr img { background: #fff; border-radius: 10px; padding: 6px; margin: 0 auto 8px; }
.footer-qr span { font-size: 12.5px; }
.footer-bottom {
  border-top: 1px solid #2A2F3C; padding: 20px 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: #7C8394;
}
.footer-bottom a:hover { color: var(--primary); }

/* ---------- 面包屑导航（SEO） ---------- */
.breadcrumb {
  padding-top: 88px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 0;
  font-size: 13px;
  color: var(--ink-2);
}
.breadcrumb li + li::before {
  content: "›";
  margin-right: 6px;
  color: #AAB0BC;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }
.breadcrumb-hero {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  z-index: 2;
  padding-top: 0;
  background: transparent;
  border: none;
}
.breadcrumb-hero ol { padding: 10px 0; }
.breadcrumb-hero,
.breadcrumb-hero a,
.breadcrumb-hero [aria-current="page"] { color: rgba(255,255,255,.88); }
.breadcrumb-hero li + li::before { color: rgba(255,255,255,.55); }
.breadcrumb-hero a:hover { color: #fff; }

/* ---------- SEO 正文区 ---------- */
.seo-content { background: #fff; padding-top: 72px; }
.seo-content .section-title { margin-bottom: 28px; }
.seo-text { max-width: 860px; margin: 0 auto; }
.seo-text p {
  font-size: 15.5px;
  color: var(--ink-2);
  margin-bottom: 16px;
  line-height: 1.85;
}
.seo-text strong { color: var(--ink); font-weight: 600; }
.seo-keywords {
  max-width: 860px;
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.seo-keywords a {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  transition: background .2s;
}
.seo-keywords a:hover { background: #D4EDD6; }

/* ---------- 子页面（关于/帮助） ---------- */
.subpage .breadcrumb { padding-top: 60px; }
.article-page { padding: 48px 0 80px; }
.article-inner { max-width: 820px; }
.article-inner h1 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.article-lead {
  font-size: 17px;
  color: var(--ink-2);
  margin-bottom: 40px;
  line-height: 1.8;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.article-inner section { margin-bottom: 36px; }
.article-inner h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--ink);
}
.article-inner h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 18px 0 10px;
}
.article-inner p, .article-inner li {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.85;
}
.article-inner a { color: var(--primary); text-decoration: underline; }
.article-inner a:hover { color: var(--primary-dark); }
.info-list, .help-steps {
  padding-left: 22px;
  margin: 12px 0;
}
.info-list li, .help-steps li { margin-bottom: 8px; }
.article-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--primary);
  box-shadow: none;
}
.btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); }

/* ---------- 每日动态 / 资讯 ---------- */
.daily-news { background: var(--bg-soft); }
.news-preview { max-width: 820px; margin: 0 auto; }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  transition: box-shadow .25s;
}
.news-item:hover { box-shadow: var(--shadow); }
.news-item time {
  display: inline-block;
  font-size: 13px;
  color: var(--ink);
  background: var(--bg-soft);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.news-item h2, .news-item h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.45;
}
.news-item h3 a { color: var(--ink); text-decoration: none; }
.news-item h3 a:hover { color: var(--primary); }
.news-item p { font-size: 15px; color: var(--ink-2); line-height: 1.8; }
.news-tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.news-tags span {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg-soft);
  padding: 3px 10px;
  border-radius: 999px;
}
.news-item-compact { padding: 22px 26px; }
.news-more { text-align: center; margin-top: 24px; }
.news-more a {
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
}
.news-more a:hover { text-decoration: underline; }

/* ---------- 新版长文章样式 ---------- */
.news-item-long h2 {
  font-size: 20px;
  margin: 28px 0 12px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.news-item-long h2:first-of-type {
  margin-top: 16px;
  padding-top: 0;
  border-top: none;
}
.news-item-long h3 {
  font-size: 17px;
  margin: 18px 0 8px;
}
.news-item-long ul, .news-item-long ol {
  padding-left: 22px;
  margin: 12px 0;
}
.news-item-long li {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.8;
  margin-bottom: 6px;
}
.news-item-lead {
  font-size: 15.5px;
  color: var(--ink-2);
  font-style: italic;
  margin-bottom: 12px;
  padding: 12px 16px;
  background: var(--bg-soft);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
}
.news-related {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--primary-light);
  border-radius: 10px;
  font-size: 14px;
  color: var(--primary-dark);
}
.news-related a {
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: underline;
}
.news-related a:hover { color: #1B5E20; }
.news-item-title {
  font-size: 21px !important;
  margin-top: 4px !important;
  padding-top: 0 !important;
  border-top: none !important;
}

/* ---------- 排行榜页 ---------- */
.ranking-intro, .ranking-section, .ranking-note {
  margin-bottom: 36px;
}
.ranking-intro ul, .ranking-section ul {
  padding-left: 22px;
  margin: 12px 0;
}
.ranking-intro li, .ranking-section li {
  margin-bottom: 8px;
}
.ranking-list {
  list-style: none;
  counter-reset: rank;
  padding: 0;
}
.ranking-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  font-size: 16px;
  transition: transform .2s, box-shadow .2s;
}
.ranking-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}
.rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.ranking-list li:nth-child(1) .rank-num { background: #F2994A; }
.ranking-list li:nth-child(2) .rank-num { background: #828282; }
.ranking-list li:nth-child(3) .rank-num { background: #CD7F32; }
.ranking-list li:nth-child(n+4) .rank-num { background: var(--ink-2); }
.rank-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--ink-2);
}

/* ---------- 避坑指南页 ---------- */
.guide-intro, .guide-articles, .guide-tips {
  margin-bottom: 36px;
}
.guide-intro ol {
  padding-left: 22px;
}
.guide-intro li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
}
.guide-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 18px;
}
.guide-item {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  transition: box-shadow .25s;
}
.guide-item:hover { box-shadow: var(--shadow); }
.guide-item time {
  display: inline-block;
  font-size: 12.5px;
  color: var(--ink);
  background: var(--bg-soft);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.guide-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}
.guide-item h3 a { color: var(--ink); text-decoration: none; }
.guide-item h3 a:hover { color: var(--primary); }
.guide-item p {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
}
.guide-tips ul {
  padding-left: 22px;
}
.guide-tips li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- noscript 提示 ---------- */
.noscript-tip {
  background: #FFF8E6;
  border-bottom: 1px solid #FFE082;
  padding: 12px 20px;
  text-align: center;
  font-size: 14px;
  color: #7A5B00;
}
.noscript-tip a { color: var(--primary); font-weight: 600; }

/* ---------- 移动端悬浮下载条 ---------- */
.mobile-dock {
  display: none;
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 99;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-radius: 16px; box-shadow: 0 10px 30px rgba(31,36,48,.2);
  padding: 10px 14px; align-items: center; gap: 12px;
}
.dock-text { flex: 1; line-height: 1.35; }
.dock-text strong { display: block; font-size: 15px; }
.dock-text span { font-size: 12px; color: var(--ink-2); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-grid { grid-template-columns: 1fr; }
  .task-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-stats, .hero-actions { justify-content: center; }
  .hero-visual { margin-top: 30px; }
  .screens-inner { grid-template-columns: 1fr; }
  .section-title.left { text-align: center; }
  .screens-copy { text-align: center; }
  .check-list { display: inline-block; text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .site-nav {
    position: fixed; top: 60px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .site-nav.open { max-height: 520px; box-shadow: 0 16px 30px rgba(31,36,48,.12); }
  .site-nav a { padding: 15px 6%; width: 100%; border-top: 1px solid var(--line); }
  .site-nav .nav-cta { border-radius: 0; box-shadow: none; text-align: left; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .brand-tag { display: none; }
  .hero { padding: 120px 0 90px; }
  .breadcrumb { padding-top: 72px; }
  .hero-stats { gap: 26px; }
  .stat strong { font-size: 22px; }
  .hero-visual { flex-direction: column; }
  .step-list { grid-template-columns: 1fr; gap: 34px; }
  .feature-grid { grid-template-columns: 1fr; }
  .task-grid { grid-template-columns: 1fr; }
  .hl-img { flex-direction: column; }
  .hl-copy { padding: 26px 26px 0; }
  .hl-shot { padding: 20px 0 0; justify-content: center; width: 100%; }
  .hl-shot img { width: 200px; }
  .hl-text { padding: 26px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 30px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .mobile-dock { display: flex; }
  body { padding-bottom: 76px; }
}