/* roulang page: index */
:root {
  --primary: #1a66ff;
  --primary-deep: #0d4fe0;
  --primary-soft: #eaf1ff;
  --accent: #13b8a4;
  --accent-soft: #e4fbf6;
  --bg: #f4f7fd;
  --white: #ffffff;
  --text: #172337;
  --text-soft: #5c6980;
  --muted: #8a97ac;
  --border: #e3eaf4;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-card: 0 14px 36px rgba(22,44,92,.07);
  --shadow-hover: 0 20px 50px rgba(22,44,92,.13);
  --shadow-cta: 0 12px 28px rgba(26,102,255,.28);
  --space: clamp(64px, 8vw, 108px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; font-size: 100%; border: none; background: none; }
ul, ol { list-style: none; }
.container { width: min(1200px, 86%); margin: 0 auto; position: relative; z-index: 2; }
.section { padding: var(--space) 0; position: relative; }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-soft); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); line-height: 1.28; font-weight: 800; letter-spacing: -0.01em; }
.section-sub { color: var(--text-soft); font-size: 17px; margin-top: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: 999px; cursor: pointer; user-select: none;
  padding: 13px 30px; transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
  border: 1.5px solid transparent; line-height: 1.4; white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid rgba(26,102,255,.3); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-cta); }
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-3px); box-shadow: 0 16px 36px rgba(26,102,255,.34); }
.btn-secondary { background: rgba(255,255,255,.95); color: var(--text); border-color: var(--border); box-shadow: 0 8px 22px rgba(22,44,92,.06); }
.btn-secondary:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: #b9ccf0; }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 10px 24px rgba(2,23,70,.18); }
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(2,23,70,.22); }
.btn-outline-light { border-color: rgba(255,255,255,.6); color: #fff; background: rgba(255,255,255,.08); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255,255,255,.18); transform: translateY(-3px); border-color: #fff; }
.btn-lg { padding: 16px 38px; font-size: 16px; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(219,229,242,.78);
}
.header-inner { height: 76px; display: flex; align-items: center; gap: 32px; }
.brand {
  display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800;
  letter-spacing: -0.02em; color: var(--text); flex-shrink: 0;
}
.brand-logo {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #6aa5ff);
  display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 20px;
  box-shadow: 0 10px 22px rgba(26,102,255,.28); transform: rotate(-6deg);
}
.main-nav { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.nav-link { font-weight: 500; padding: 9px 18px; border-radius: 999px; color: var(--text-soft); transition: all .2s; }
.nav-link:hover { background: var(--primary-soft); color: var(--primary); }
.nav-link.active { background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.header-btns .btn { padding: 10px 22px; font-size: 14px; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--text); transition: transform .3s, opacity .2s; }
.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); }
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, rgba(9,31,72,.82), rgba(17,48,96,.72)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: clamp(72px, 9vw, 138px) 0 clamp(60px, 7vw, 98px);
}
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 90px; background: linear-gradient(to bottom, transparent, var(--bg)); pointer-events: none; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.14); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.28); border-radius: 999px;
  padding: 8px 20px; font-size: 15px; font-weight: 500; margin-bottom: 28px;
}
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: #ffe66d; box-shadow: 0 0 0 5px rgba(255,230,109,.2); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 5px rgba(255,230,109,.16);} 50% { box-shadow: 0 0 0 11px rgba(255,230,109,0);} }
.hero h1 { max-width: 860px; font-size: clamp(34px, 5.4vw, 62px); line-height: 1.16; font-weight: 800; letter-spacing: -0.02em; text-shadow: 0 4px 20px rgba(2,15,45,.24); }
.hero-desc { max-width: 670px; margin-top: 24px; font-size: clamp(15px, 1.7vw, 19px); line-height: 1.8; opacity: .94; }
.hero-livebox { margin-top: 40px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.24); border-radius: var(--radius-lg); padding: 22px 26px; max-width: 760px; backdrop-filter: blur(10px); }
.live-label { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; margin-bottom: 16px; }
.countdown-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.countdown-item { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 74px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-md); padding: 10px 8px; }
.countdown-num { font-size: 34px; font-weight: 800; line-height: 1.1; letter-spacing: .02em; }
.countdown-unit { font-size: 12px; opacity: .8; margin-top: 4px; letter-spacing: .1em; }
.sep { font-size: 26px; opacity: .55; font-weight: 400; }
.hero-notice { margin-top: 14px; font-size: 13px; opacity: .75; }
.hero-cta { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { margin-top: 54px; display: flex; gap: 22px 54px; flex-wrap: wrap; }
.hero-stat b { display: block; font-size: 28px; font-weight: 800; line-height: 1.2; }
.hero-stat span { font-size: 14px; opacity: .82; }
.metric-strip { background: var(--white); border: 1px solid var(--border); box-shadow: var(--shadow-card); border-radius: var(--radius-lg); padding: 28px 8px; margin-top: -24px; position: relative; z-index: 5; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-item { text-align: center; padding: 14px 10px; }
.metric-item b { display: block; font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.metric-item b small { font-size: 18px; font-weight: 700; margin-left: 2px; }
.metric-item span { font-size: 14px; color: var(--text-soft); }
.card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-card); transition: transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-6px); border-color: #cfddf5; box-shadow: var(--shadow-hover); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { padding: 30px 28px; }
.feature-icon { width: 52px; height: 52px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 25px; background: var(--primary-soft); color: var(--primary); margin-bottom: 20px; }
.feature-card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.feature-card p { color: var(--text-soft); font-size: 15px; line-height: 1.7; }
.stage-section { background: linear-gradient(180deg, #eceffa, var(--bg)); }
.stage-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.stage-copy .lead { font-size: 42px; font-weight: 800; line-height: 1.3; }
.stage-copy .copy-list { margin-top: 22px; display: grid; gap: 12px; }
.stage-copy .copy-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-soft); }
.check-icon { color: var(--accent); font-size: 18px; flex-shrink: 0; }
.stage-visual { position: relative; }
.browser-window {
  background: rgba(255,255,255,.96); border: 1px solid #d9e4f2; border-radius: 18px; overflow: hidden;
  box-shadow: 0 30px 70px rgba(21,47,110,.14);
}
.window-bar { background: #f7faff; border-bottom: 1px solid #e2eaf7; padding: 13px 18px; display: flex; align-items: center; gap: 10px; }
.window-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.window-dot:first-child { background: #ff7165; }
.window-dot:nth-child(2) { background: #ffbd45; }
.window-dot:nth-child(3) { background: #20c08a; }
.window-url { margin-left: 12px; background: #eef2fa; border-radius: 8px; font-size: 13px; padding: 4px 14px; color: #6b7a92; flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; }
.window-body { background: var(--bg); }
.window-body img { height: auto; max-height: 430px; width: 100%; object-fit: cover; }
.floating-chips { position: absolute; z-index: 3; }
.floating-chips .chip {
  position: absolute; background: var(--white); box-shadow: var(--shadow-hover); border-radius: 999px;
  padding: 10px 20px; font-size: 14px; font-weight: 600; color: var(--text);
  border: 1px solid var(--border); animation: float-chip 5s infinite ease-in-out alternate;
}
.chip-1 { top: -22px; left: -46px; }
.chip-2 { bottom: -18px; right: -24px; animation-delay: 1.2s; }
@keyframes float-chip { from { transform: translateY(0); } to { transform: translateY(-12px); } }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 28px; box-shadow: var(--shadow-card); transition: transform .3s, box-shadow .3s; }
.step-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.step-num { width: 44px; height: 44px; border-radius: 14px; background: var(--primary); color: #fff; font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; box-shadow: 0 10px 20px rgba(26,102,255,.22); }
.step-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.step-card p { color: var(--text-soft); font-size: 15px; line-height: 1.7; }
.review-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.review-card { padding: 28px; display: flex; flex-direction: column; }
.review-stars { color: #ffab4a; font-size: 16px; letter-spacing: 3px; margin-bottom: 14px; }
.review-text { color: var(--text); font-size: 15px; line-height: 1.85; flex: 1; }
.review-user { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; background: linear-gradient(145deg, #6aa5ff, var(--primary)); font-size: 16px; flex-shrink: 0; }
.avatar.b2 { background: linear-gradient(145deg, #49d6b5, var(--accent)); }
.avatar.b3 { background: linear-gradient(145deg, #ff9d66, #ff6d5c); }
.review-user div span { display: block; font-size: 13px; color: var(--text-soft); }
.review-user div strong { display: block; font-size: 15px; }
.news-area { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.news-list { display: grid; gap: 0; }
.news-item { display: flex; align-items: center; gap: 16px; padding: 19px 4px; border-bottom: 1px solid #edf2fa; transition: transform .2s; }
.news-item:hover { transform: translateX(6px); }
.news-item .date { flex-shrink: 0; font-size: 13px; color: var(--muted); box-sizing: border-box; width: 96px; }
.news-item a { font-weight: 600; color: var(--text); line-height: 1.5; transition: color .2s; }
.news-item a:hover { color: var(--primary); }
.news-sidebar .side-card { margin-bottom: 18px; padding: 24px; }
.recommend-slot { display: block; padding: 18px 20px; background: var(--primary-soft); border-radius: var(--radius-sm); color: var(--primary); font-weight: 600; margin-top: 16px; transition: background .2s; }
.recommend-slot:hover { background: var(--primary); color: #fff; }
.security-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.security-card { background: rgba(255,255,255,.85); border: 1px solid rgba(255,255,255,.5); backdrop-filter: blur(8px); border-radius: var(--radius-md); padding: 30px 28px; box-shadow: var(--shadow-card); }
.security-card .feature-icon { background: var(--accent-soft); color: var(--accent); }
.faq-list { max-width: 920px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 0 26px; box-shadow: 0 4px 12px rgba(22,44,92,.03); margin-bottom: 14px; transition: border-color .25s; }
.faq-item[open] { border-color: #b9d1f8; box-shadow: var(--shadow-card); }
.faq-item summary { display: flex; align-items: center; cursor: pointer; font-size: 17px; font-weight: 600; padding: 22px 28px 22px 0; list-style: none; gap: 14px; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; margin-left: auto; font-size: 26px; color: var(--primary); opacity: .75; transition: transform .3s; font-weight: 400; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 22px; color: var(--text-soft); line-height: 1.85; font-size: 15px; }
.topic-board { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
.topic-main { background: linear-gradient(135deg, rgba(20,53,130,.92), rgba(38,82,174,.82)), url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat; border-radius: var(--radius-lg); padding: 36px; color: #fff; display: flex; flex-direction: column; justify-content: flex-end; min-height: 280px; box-shadow: var(--shadow-hover); }
.topic-main .tagline { font-size: 14px; background: rgba(255,255,255,.16); display: inline-block; width: fit-content; border-radius: 999px; padding: 4px 14px; margin-bottom: 12px; }
.topic-main h3 { font-size: 28px; line-height: 1.3; font-weight: 800; }
.topic-main p { margin-top: 8px; opacity: .92; font-size: 15px; }
.topic-list { display: grid; gap: 14px; }
.topic-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 14px; box-shadow: var(--shadow-card); transition: transform .25s, box-shadow .25s; }
.topic-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.topic-item b { color: var(--primary); font-weight: 700; }
.topic-item span { font-size: 14px; color: var(--text-soft); }
.cta-band { position: relative; overflow: hidden; border-radius: 0; color: #fff; background: linear-gradient(105deg, rgba(13,38,88,.94), rgba(8,105,187,.86)), url('/assets/images/backpic/back-2.jpg') center/cover; padding: clamp(64px, 8vw, 100px) 0; }
.cta-grid { display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta-title { font-size: clamp(28px, 4.5vw, 42px); font-weight: 800; line-height: 1.3; }
.cta-title span { color: #ffd37a; }
.cta-desc { max-width: 560px; margin: 16px 0 24px; opacity: .94; }
.cta-info { display: flex; gap: 34px; margin-top: 18px; flex-wrap: wrap; }
.cta-info li { position: relative; padding-left: 22px; }
.cta-info li::before { content: "✓"; position: absolute; left: 0; color: #6fe3cf; font-weight: 800; }
.download-links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.site-footer { background: #0d1a33; color: #aeb9cc; padding: 56px 0 24px; }
.footer-top { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; }
.footer-brand { max-width: 330px; }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 15px; opacity: .8; }
.footer-links h4 { color: #fff; font-size: 15px; margin-bottom: 15px; letter-spacing: .04em; }
.footer-links a { display: inline-block; font-size: 14px; padding: 6px 0; color: #b8c4d8; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 34px; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; opacity: .7; }
.footer-bottom a { color: inherit; }
@media (max-width: 1024px) {
  .feature-grid, .security-cards { grid-template-columns: repeat(2, 1fr); }
  .stage-intro { grid-template-columns: 1fr; gap: 60px; }
  .news-area { grid-template-columns: 1fr; }
  .news-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .topic-board { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .header-inner { height: 66px; }
  .main-nav, .header-btns { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .main-nav.open { display: flex; flex-direction: column; width: 100%; gap: 4px; background: var(--white); padding: 14px 0; position: fixed; left: 0; right: 0; top: 66px; border-bottom: 1px solid var(--border); align-items: flex-start; }
  .main-nav.open .nav-link { display: block; width: 100%; }
  .header-btns.open { display: flex; position: fixed; left: 0; right: 0; top: 154px; background: var(--white); padding: 12px 7% 18px; border-bottom: 1px solid var(--border); transform: none; }
  .header-actions { gap: 10px; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .steps-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .countdown-item { min-width: 60px; }
  .countdown-num { font-size: 26px; }
  .hero-livebox { padding: 16px 0 16px 18px; }
}
@media (max-width: 520px) {
  .container { width: 92%; }
  .hero { padding: 54px 0 54px; }
  .metric-grid { gap: 4px; }
  .metric-item b { font-size: 25px; }
  .feature-grid, .security-cards { grid-template-columns: 1fr; }
  .cta-grid { flex-direction: column; align-items: flex-start; }
  .download-links .btn { width: 100%; }
  .news-item { flex-direction: column; gap: 6px; align-items: flex-start; }
}

/* roulang page: category1 */
:root {
    --primary: #1a66ff;
    --primary-deep: #0d4fe0;
    --primary-soft: #eaf1ff;
    --accent: #13b8a4;
    --accent-soft: #e4fbf6;
    --bg: #f4f7fd;
    --white: #ffffff;
    --text: #172337;
    --text-soft: #5c6980;
    --muted: #8a97ac;
    --border: #e3eaf4;
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --shadow-card: 0 14px 36px rgba(22, 44, 92, .07);
    --shadow-hover: 0 20px 50px rgba(22, 44, 92, .13);
    --shadow-cta: 0 12px 28px rgba(26, 102, 255, .28);
    --space: clamp(64px, 8vw, 108px);
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.no-scroll {
    overflow: hidden;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    border: none;
    background: none;
    color: inherit;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(26, 102, 255, .32);
    outline-offset: 2px;
}
.container {
    width: min(1200px, 86%);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.section {
    padding: var(--space) 0;
    position: relative;
}
.section-head {
    max-width: 760px;
    margin-bottom: 44px;
}
.section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.head-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    flex-wrap: wrap;
}
.head-note {
    color: var(--muted);
    font-size: 15px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 18px;
    box-shadow: 0 6px 14px rgba(22, 44, 92, .04);
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .03em;
    padding: 7px 18px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.section-title {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.28;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.section-sub {
    color: var(--text-soft);
    font-size: 17px;
    margin-top: 14px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    user-select: none;
    padding: 13px 30px;
    transition: transform .25s, box-shadow .25s, background .25s, border-color .25s, color .25s;
    border: 1.5px solid transparent;
    line-height: 1.4;
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-cta);
}
.btn-primary:hover {
    background: var(--primary-deep);
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(26, 102, 255, .34);
}
.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 10px 24px rgba(2, 23, 70, .18);
}
.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(2, 23, 70, .22);
}
.btn-outline-light {
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
    background: rgba(255, 255, 255, .08);
    backdrop-filter: blur(4px);
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, .18);
    transform: translateY(-3px);
    border-color: #fff;
}
.btn-lg {
    padding: 16px 38px;
    font-size: 16px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(219, 229, 242, .78);
}
.header-inner {
    height: 76px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    flex-shrink: 0;
}
.brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #6aa5ff);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    box-shadow: 0 10px 22px rgba(26, 102, 255, .28);
    transform: rotate(-6deg);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
}
.nav-link {
    font-weight: 500;
    padding: 9px 18px;
    border-radius: 999px;
    color: var(--text-soft);
    transition: all .2s;
}
.nav-link:hover {
    background: var(--primary-soft);
    color: var(--primary);
}
.nav-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 700;
}
.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
}
.header-btns .btn {
    padding: 10px 22px;
    font-size: 14px;
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform .3s, opacity .2s;
}
.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);
}

/* 分类页 Hero */
.cat-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    color: #fff;
    background:
        linear-gradient(105deg, rgba(8, 29, 68, .93) 0%, rgba(22, 62, 124, .78) 46%, rgba(11, 31, 70, .34) 100%),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    padding: clamp(68px, 8vw, 122px) 0 clamp(64px, 7vw, 104px);
}
.cat-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 96px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    pointer-events: none;
    z-index: 1;
}
.cat-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
    gap: clamp(44px, 6vw, 88px);
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .14);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    padding: 8px 20px;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 28px;
}
.cat-hero h1 {
    max-width: 860px;
    font-size: clamp(34px, 5vw, 60px);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(2, 15, 45, .24);
}
.cat-lead {
    max-width: 680px;
    margin-top: 24px;
    font-size: clamp(15px, 1.7vw, 19px);
    line-height: 1.85;
    opacity: .95;
}
.cat-hero-actions {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.hero-mini-note {
    margin-top: 24px;
    font-size: 13px;
    opacity: .72;
    display: flex;
    align-items: center;
    gap: 8px;
}
.hero-mini-note::before {
    content: "";
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(19, 184, 164, .35);
    border: 2px solid rgba(255, 255, 255, .45);
}
.poster-card {
    position: relative;
    background: #fff;
    color: var(--text);
    border-radius: 26px;
    overflow: hidden;
    box-shadow: 0 34px 78px rgba(2, 13, 42, .42);
    border: 1px solid rgba(255, 255, 255, .22);
    transform: rotate(1.2deg);
    transition: transform .3s;
}
.poster-card:hover {
    transform: rotate(0deg) translateY(-6px);
}
.poster-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.poster-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.poster-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 18, 48, .05) 34%, rgba(6, 18, 48, .5) 100%);
}
.poster-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 2;
    background: rgba(255, 255, 255, .94);
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: 999px;
    box-shadow: 0 8px 20px rgba(2, 15, 45, .16);
    backdrop-filter: blur(6px);
}
.poster-body {
    padding: 26px 28px 28px;
    background: #fff;
}
.poster-body h3 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.poster-body p {
    color: var(--text-soft);
    font-size: 15px;
    margin-top: 8px;
}
.poster-bottom {
    margin-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.poster-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-soft);
}
.poster-meta .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.poster-bottom .btn {
    padding: 9px 20px;
    font-size: 14px;
}

/* 数据指标 */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 30px;
}
.metric-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 30px 28px 26px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: transform .28s, box-shadow .28s, border-color .28s;
}
.metric-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: .8;
}
.metric-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: #c9d8f2;
}
.metric-num {
    font-size: clamp(34px, 3vw, 48px);
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
}
.metric-label {
    font-size: 16px;
    font-weight: 700;
    margin-top: 14px;
}
.metric-desc {
    font-size: 14px;
    color: var(--text-soft);
    margin-top: 8px;
}

/* 专题矩阵 */
.topic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.topic-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .28s, box-shadow .28s, border-color .28s;
    box-shadow: 0 6px 16px rgba(22, 44, 92, .04);
}
.topic-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: #c3d5f2;
}
.topic-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--primary-soft);
}
.topic-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.topic-card:hover .topic-thumb img {
    transform: scale(1.05);
}
.topic-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255, 255, 255, .93);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
    box-shadow: 0 6px 16px rgba(2, 15, 45, .14);
}
.topic-info {
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.topic-info h3 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.topic-info p {
    color: var(--text-soft);
    font-size: 14px;
    margin-top: 10px;
    flex: 1;
}
.topic-bottom {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.topic-count {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
}
.topic-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    transition: gap .2s, color .2s;
}
.topic-more:hover {
    gap: 8px;
    color: var(--primary-deep);
}

/* 收录流程横幅 */
.editor-banner {
    background: linear-gradient(108deg, rgba(9, 31, 72, .95), rgba(23, 64, 126, .82), rgba(9, 31, 72, .92)), url("/assets/images/backpic/back-5.jpg") center/cover no-repeat;
    border-radius: 32px;
    padding: clamp(42px, 6vw, 78px);
    color: #fff;
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: clamp(40px, 6vw, 78px);
    align-items: center;
    box-shadow: 0 30px 70px rgba(9, 31, 72, .26);
}
.editor-copy .section-tag {
    background: rgba(255, 255, 255, .16);
    color: #fff;
}
.editor-copy .section-title {
    color: #fff;
}
.editor-copy p {
    margin-top: 18px;
    color: rgba(255, 255, 255, .88);
    font-size: 16px;
    line-height: 1.85;
}
.editor-checks {
    margin-top: 26px;
    display: grid;
    gap: 12px;
}
.editor-checks li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: rgba(255, 255, 255, .94);
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 14px;
    padding: 12px 18px;
    list-style: none;
    line-height: 1.6;
}
.editor-checks li::before {
    content: "✓";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(19, 184, 164, .3);
    border: 1px solid rgba(255, 255, 255, .4);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}
.editor-steps {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .22);
    backdrop-filter: blur(8px);
    border-radius: 26px;
    padding: 30px;
}
.editor-steps h4 {
    font-size: 18px;
    font-weight: 700;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
    margin-bottom: 10px;
}
.editor-steps ol {
    list-style: none;
    counter-reset: step;
}
.editor-steps li {
    counter-increment: step;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    font-size: 15px;
    color: rgba(255, 255, 255, .94);
    border-bottom: 1px dashed rgba(255, 255, 255, .14);
}
.editor-steps li:last-child {
    border-bottom: none;
}
.editor-steps li::before {
    content: counter(step, decimal-leading-zero);
    font-size: 13px;
    font-weight: 800;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* 对比 */
.cmp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 20px;
}
.cmp-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 34px 32px;
    box-shadow: var(--shadow-card);
    position: relative;
    transition: transform .28s, box-shadow .28s;
}
.cmp-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.cmp-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.cmp-bad {
    background: #f9faff;
}
.cmp-bad h3 {
    color: var(--muted);
}
.cmp-good {
    border-color: #bcd0f3;
    box-shadow: 0 18px 44px rgba(26, 102, 255, .12);
}
.cmp-good::before {
    content: "推荐方式";
    position: absolute;
    top: -13px;
    right: 26px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 999px;
    box-shadow: 0 8px 18px rgba(26, 102, 255, .3);
}
.cmp-list {
    list-style: none;
    display: grid;
    gap: 8px;
}
.cmp-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid #eef3fa;
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.7;
}
.cmp-list li:last-child {
    border-bottom: none;
}
.cmp-ico {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    margin-top: 2px;
}
.cmp-no {
    background: #ffedef;
    color: #e04a5f;
}
.cmp-yes {
    background: var(--accent-soft);
    color: var(--accent);
}
.cmp-good .cmp-list li {
    color: var(--text);
}

/* FAQ */
.faq-wrap {
    max-width: 860px;
    margin: 26px auto 0;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    margin-bottom: 14px;
    box-shadow: 0 6px 16px rgba(22, 44, 92, .04);
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s;
}
.faq-item[open] {
    border-color: #bcd0f3;
    box-shadow: var(--shadow-hover);
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 22px 28px;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    transition: color .2s;
}
.faq-item summary:hover {
    color: var(--primary);
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform .25s, background .25s;
}
.faq-item[open] summary::after {
    content: "−";
    transform: rotate(180deg);
    background: var(--primary);
    color: #fff;
}
.faq-item .faq-answer {
    padding: 0 28px 24px;
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.85;
}

/* 转化表单 */
.download-panel {
    background: linear-gradient(135deg, #0b3faf, var(--primary) 55%, #4f8bff);
    border-radius: 34px;
    padding: clamp(40px, 5.5vw, 68px);
    color: #fff;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(44px, 6vw, 80px);
    align-items: center;
    box-shadow: 0 34px 80px rgba(26, 102, 255, .34);
    position: relative;
    overflow: hidden;
}
.download-panel::before {
    content: "";
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    right: -120px;
    top: -120px;
}
.download-panel::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .07);
    left: 34%;
    bottom: -80px;
}
.download-copy {
    position: relative;
    z-index: 2;
}
.download-copy .section-tag {
    background: rgba(255, 255, 255, .18);
    color: #fff;
}
.download-copy .section-title {
    color: #fff;
}
.download-copy p {
    color: rgba(255, 255, 255, .9);
    font-size: 16px;
    margin-top: 16px;
}
.download-lists {
    margin-top: 24px;
    list-style: none;
    display: grid;
    gap: 10px;
}
.download-lists li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .94);
    font-size: 15px;
}
.download-lists li::before {
    content: "✓";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(19, 184, 164, .4);
    border: 1px solid rgba(255, 255, 255, .4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.w-form {
    background: #fff;
    border-radius: 24px;
    padding: 30px;
    color: var(--text);
    box-shadow: 0 26px 60px rgba(4, 20, 60, .3);
    position: relative;
    z-index: 2;
}
.w-form .form-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 4px;
}
.w-form .form-sub {
    font-size: 14px;
    color: var(--text-soft);
    margin-bottom: 20px;
}
.w-form label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 6px;
}
.w-form .form-group {
    margin-bottom: 16px;
}
.w-form input,
.w-form select {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--border);
    border-radius: 14px;
    background: #f9fbfe;
    color: var(--text);
    font-size: 15px;
    transition: border-color .2s, box-shadow .2s, background .2s;
    appearance: auto;
}
.w-form input:focus,
.w-form select:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(26, 102, 255, .12);
}
.w-form input::placeholder,
.w-form select {
    color: var(--muted);
}
.w-form .btn {
    width: 100%;
    margin-top: 8px;
}
.form-tip {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 12px;
    padding: 10px 14px;
    display: none;
}
.form-note {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

/* 页脚 */
.site-footer {
    background: #eaf0fa;
    border-top: 1px solid #dbe5f2;
    padding-top: 64px;
    margin-top: 0;
    color: var(--text);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 36px;
}
.footer-brand .brand {
    font-size: 21px;
}
.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-soft);
    max-width: 340px;
}
.footer-links h4 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 14px;
}
.footer-links a,
.footer-links span {
    display: block;
    padding: 5px 0;
    font-size: 14px;
    color: var(--text-soft);
    transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}
.footer-bottom {
    border-top: 1px solid #d5e1f2;
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
    color: var(--text-soft);
}
.footer-bottom a {
    color: var(--primary);
    transition: color .2s;
}
.footer-bottom a:hover {
    color: var(--primary-deep);
}

/* 响应式 */
@media (max-width: 1120px) {
    .topic-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-top {
        grid-template-columns: 1.4fr 1fr;
    }
}
@media (max-width: 991px) {
    .header-inner {
        height: 70px;
        gap: 16px;
    }
    .main-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, .98);
        backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 24px 44px rgba(22, 44, 92, .1);
        display: flex;
        flex-wrap: nowrap;
        gap: 6px;
        overflow-x: auto;
        margin: 0;
        padding: 14px max(7vw, 24px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity .25s, transform .25s, visibility .25s;
    }
    .main-nav.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }
    .main-nav .nav-link {
        flex: 0 0 auto;
    }
    .nav-toggle {
        display: flex;
    }
    .editor-banner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .cat-hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 44px;
    }
    .poster-card {
        max-width: 640px;
        transform: none;
    }
    .poster-card:hover {
        transform: translateY(-6px);
    }
    .download-panel {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}
@media (max-width: 900px) {
    .metric-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .topic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cmp-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        grid-template-columns: 1.5fr 1fr 1fr;
        row-gap: 34px;
    }
}
@media (max-width: 640px) {
    .container {
        width: 89%;
    }
    .section {
        padding: 56px 0;
    }
    .head-flex {
        align-items: flex-start;
    }
    .head-note {
        font-size: 13px;
    }
    .topic-grid {
        grid-template-columns: 1fr;
    }
    .cmp-card {
        padding: 26px 22px;
    }
    .faq-item summary {
        padding: 18px 18px;
        font-size: 15px;
    }
    .faq-item .faq-answer {
        padding: 0 18px 20px;
    }
    .editor-banner {
        padding: 30px 22px;
        border-radius: 24px;
    }
    .editor-steps {
        padding: 22px;
    }
    .w-form {
        padding: 24px 20px;
    }
    .download-panel {
        border-radius: 24px;
        padding: 34px 22px;
    }
    .header-btns {
        display: none;
    }
    .header-actions {
        gap: 6px;
    }
    .cat-hero-actions .btn {
        width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}
@media (max-width: 420px) {
    .metric-grid {
        grid-template-columns: 1fr;
    }
    .poster-body {
        padding: 20px;
    }
    .download-lists li {
        font-size: 14px;
    }
}