/* roulang page: index */
:root {
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-ink: #1C1D21;
  --color-muted: #5A5E66;
  --color-weak: #8A8F98;
  --color-primary: #1F4A44;
  --color-primary-dark: #14332F;
  --color-accent: #B08A47;
  --color-accent-dark: #8F6F35;
  --color-accent-soft: #F2E8D8;
  --color-line: #E8E2D8;
  --color-line-dark: #2E4A45;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(22,24,30,.04), 0 8px 24px rgba(22,24,30,.04);
  --shadow-md: 0 4px 12px rgba(22,24,30,.05), 0 24px 48px rgba(22,24,30,.1);
  --space-section: clamp(72px, 9vw, 128px);
  --container: 1280px;
  --ease-out: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
button, input, select, textarea { font: inherit; }
.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 4vw, 48px); }

/* header + nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232, 226, 216, .8);
  transition: box-shadow .24s var(--ease-out), background .24s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 28px rgba(22, 24, 30, .05);
}
.header-shell { display: flex; align-items: center; justify-content: space-between; gap: 14px; height: 78px; }
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark { width: 36px; height: 36px; flex: 0 0 36px; border-radius: 10px; background: var(--color-primary); color: var(--color-accent); display: grid; place-items: center; }
.brand-name { font-size: clamp(15px, 1.4vw, 18px); font-weight: 700; letter-spacing: -.01em; color: var(--color-ink); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link { position: relative; font-size: 15px; font-weight: 500; color: #3B3F46; padding: 22px 0 18px; letter-spacing: .01em; transition: color .2s var(--ease-out); }
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -1px; width: 22px; height: 2px; border-radius: 2px;
  background: var(--color-primary); opacity: 0; transform: scaleX(.6); transition: opacity .2s, transform .2s;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); }
.nav-link.active::after { opacity: 1; transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-search { display: flex; align-items: center; background: #fff; border: 1px solid var(--color-line); border-radius: 999px; padding-left: 12px; width: 220px; height: 40px; transition: border-color .2s, box-shadow .2s; }
.nav-search:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(31, 74, 68, .1); }
.nav-search i { color: var(--color-weak); font-size: 14px; }
.nav-search input { border: 0; outline: 0; background: transparent; padding: 0 9px; width: 100%; font-size: 13px; color: var(--color-ink); }
.nav-search input::placeholder { color: var(--color-weak); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 10px 20px; font-size: 15px; font-weight: 600; cursor: pointer;
  transition: background .22s var(--ease-out), color .22s var(--ease-out), transform .22s var(--ease-out), border-color .22s, box-shadow .22s;
}
.btn:focus-visible, .nav-search:focus-within, .nav-link:focus-visible { outline: 3px solid rgba(176, 138, 71, .3); outline-offset: 3px; }
.btn-gold { background: var(--color-accent); color: #1C1D21; box-shadow: 0 4px 12px rgba(176, 138, 71, .15); }
.btn-gold:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(176, 138, 71, .25); }
.btn-gold:active { transform: translateY(0); }
.btn-line { background: transparent; border-color: rgba(31, 74, 68, .5); color: var(--color-primary); }
.btn-line:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); transform: translateY(-2px); }
.btn-lg { padding: 15px 28px; border-radius: 10px; font-size: 16px; }
.btn-light { background: #fff; color: var(--color-primary-dark); }
.btn-light:hover { background: var(--color-accent); color: #1C1D21; transform: translateY(-2px); }
.mobile-toggle { display: none; background: var(--color-surface); width: 40px; height: 40px; border: 1px solid var(--color-line); border-radius: 10px; color: var(--color-ink); font-size: 18px; align-items: center; justify-content: center; }
.mobile-toggle:focus-visible { outline: 3px solid rgba(31,74,68,.2); }
.header-search-mobile { display: none; }

/* hero */
.hero { position: relative; overflow: hidden; background: var(--color-bg); padding: clamp(56px, 8vw, 100px) 0 44px; }
.hero::before {
  content: ""; position: absolute; inset: 0; background:
    radial-gradient(circle at 88% 76%, rgba(176,138,71,.2), transparent 22%),
    linear-gradient(135deg, rgba(31,74,68,.9), rgba(31,74,68,.74)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity: .12; pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 46px; align-items: center; position: relative; z-index: 1; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(176, 138, 71, .13); color: #6f5628; border-radius: 999px; padding: 7px 14px; font-size: 13px; font-weight: 600; letter-spacing: .03em; }
.hero-kicker i { font-size: 11px; }
.hero-title { margin-top: 24px; font-size: clamp(40px, 5.2vw, 70px); line-height: 1.08; letter-spacing: -.02em; font-weight: 700; color: var(--color-ink); }
.hero-title .title-main { display: block; }
.hero-title .title-sub { display: block; color: var(--color-primary); font-weight: 500; font-size: clamp(22px, 2.8vw, 38px); margin-top: 8px; letter-spacing: 0; }
.hero-lead { margin-top: 20px; font-size: 17px; line-height: 1.9; color: var(--color-muted); max-width: 540px; }
.hero-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 0; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--color-line); }
.hero-trust li { display: flex; align-items: center; gap: 7px; color: var(--color-muted); font-size: 13px; padding-right: 26px; margin-right: 26px; position: relative; }
.hero-trust li + li::before { content: ""; position: absolute; left: -14px; top: 4px; bottom: 4px; width: 1px; height: 18px; background: var(--color-line); }
.hero-trust i { color: var(--color-primary); }
.hero-visual { position: relative; min-width: 0; }
.hero-sticker { position: absolute; top: -18px; right: -12px; z-index: 2; background: var(--color-accent); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 13px; font-weight: 600; box-shadow: var(--shadow-md); transform: rotate(3deg); }
.hero-sticker i { margin-right: 6px; }
.hero-art {
  border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, .5); position: relative;
}
.hero-art img { width: 100%; height: clamp(300px, 41vw, 520px); object-fit: cover; }
.hero-art-caption { position: absolute; right: 14px; bottom: 14px; left: 14px; display: flex; justify-content: space-between; align-items: center; background: rgba(255, 255, 255, .84); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.45); border-radius: 12px; padding: 10px 14px; }
.hero-art-caption strong { display: block; font-size: 14px; color: var(--color-ink); }
.hero-art-caption span { font-size: 12px; color: var(--color-muted); display: block; }
.hero-art-caption .go { width: 34px; height: 34px; border-radius: 50%; background: var(--color-primary); color: #fff; display: grid; place-items: center; }

/* trust strip */
.trust-strip { border-block: 1px solid var(--color-line); background: var(--color-surface); }
.trust-strip .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 24px; }
.trust-item { display: flex; align-items: center; gap: 16px; }
.trust-num { font-size: clamp(30px, 4vw, 48px); font-weight: 700; color: var(--color-primary); line-height: 1; letter-spacing: -.02em; }
.trust-item span { display: block; color: var(--color-muted); font-size: 14px; }
.trust-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-accent); opacity: .5; flex: 0 0 auto; }

/* section common */
.section { padding-block: var(--space-section); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 42px; }
.section-label { color: var(--color-primary); font-weight: 700; font-size: 13px; letter-spacing: .12em; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.section-label::before { content: ""; width: 26px; height: 2px; background: var(--color-accent); border-radius: 2px; display: inline-block; }
.section-title { font-size: clamp(28px, 3.2vw, 44px); line-height: 1.25; color: var(--color-ink); letter-spacing: -.01em; }
.section-link { display: inline-flex; align-items: center; gap: 8px; color: var(--color-muted); font-size: 15px; transition: color .2s; border-bottom: 1px solid var(--color-line); padding-bottom: 2px; }
.section-link:hover { color: var(--color-primary); border-color: var(--color-primary); }
.section-link i { transition: transform .2s; }
.section-link:hover i { transform: translateX(4px); }

/* feature 2 + 1 */
.feature-panel { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); transition: transform .26s var(--ease-out), box-shadow .26s, border-color .26s; height: 100%; }
.feature-panel:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(31, 74, 68, .45); }
.feature-gird { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: stretch; }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(31, 74, 68, .08); display: grid; place-items: center; color: var(--color-primary); font-size: 22px; }
.feature-panel h3 { font-size: clamp(19px, 1.8vw, 24px); margin-top: 20px; }
.feature-panel p { color: var(--color-muted); font-size: 15px; line-height: 1.9; margin-top: 12px; }
.feature-line { height: 1px; background: var(--color-line); margin-top: 22px; margin-bottom: 12px; }
.feature-extra { font-size: 13px; color: var(--color-primary); }
.feature-withimg { overflow: hidden; display: flex; flex-direction: column; }
.feature-topimg { border-radius: 10px; overflow: hidden; border: 1px solid var(--color-line); }
.feature-topimg img { width: 100%; max-height: 210px; object-fit: cover; }
.feature-wide {
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 34px; margin-top: 24px;
  background: var(--color-primary); border: 0; color: #fff;
}
.feature-wide .feature-icon { background: rgba(255,255,255,.15); color: #fff; }
.feature-wide h3 { color: #fff; }
.feature-wide p { color: rgba(230, 238, 235, .8); }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; color: rgba(240,250,245,.9); font-size: 15px; padding: 6px 0; line-height: 1.6; }
.feature-list i { color: var(--color-accent); margin-top: 3px; }
.wide-visual-img { border-radius: 16px; overflow: hidden; box-shadow: 0 18px 32px rgba(0,0,0,.22); }
.wide-visual-img img { height: 280px; width: 100%; object-fit: cover; }

/* scene step dark block */
.scene-section { background: var(--color-primary-dark); color: white; border-block: 1px solid rgba(255,255,255,.06); }
.scene-section .section-title { color: white; }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.scene-index { font-size: 64px; font-weight: 700; line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(176, 138, 71, .65); }
.step-list { display: flex; flex-direction: column; }
.step-item { position: relative; display: flex; gap: 20px; padding-bottom: 30px; }
.step-item:not(:last-child)::after { content: ""; position: absolute; left: 37px; top: 76px; bottom: 8px; width: 1px; background: rgba(255, 255, 255, .18); }
.step-num-wrap { display: flex; gap: 15px; align-items: flex-start; }
.step-num { flex: 0 0 56px; width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(255,255,255,.26); color: var(--color-accent); display: grid; place-items: center; font-size: 15px; font-weight: 700; }
.step-content h3 { color: #fff; font-size: 20px; }
.step-content p { margin-top: 7px; color: rgba(225,237,232,.75); font-size: 15px; }
.scene-mock { background: #fff; color: var(--color-ink); border-radius: 18px; overflow: hidden; box-shadow: 0 34px 60px rgba(0,0,0,.22); }
.scene-browser { height: 42px; border-bottom: 1px solid var(--color-line); display: flex; align-items: center; gap: 6px; padding: 0 16px; background: #faf8f5; }
.scene-browser span { width: 9px; height: 9px; border-radius: 50%; display: block; }
.scene-browser .address { margin-left: 8px; background: #fff; border: 1px solid var(--color-line); border-radius: 30px; color: var(--color-weak); padding: 2px 12px; font-size: 11px; }
.scene-browser .address i { margin-right: 4px; color: var(--color-primary); }
.scene-mock-body img { width: 100%; height: 220px; object-fit: cover; }
.scene-mock-body h4 { padding: 17px 20px 2px; font-size: 16px; }
.scene-mock-body p { padding: 5px 20px 14px; font-size: 13px; line-height: 1.6; color: var(--color-muted); }
.scene-caption { margin-top: 14px; display: flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,.7); }
.scene-caption i { color: var(--color-accent); }

/* news / cms */
.news-section { background: var(--color-surface); }
.news-layout { display: grid; grid-template-columns: 7fr 5fr; gap: 28px; align-items: start; }
.news-feature { background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-lg); overflow: hidden; transition: box-shadow .24s var(--ease-out), transform .24s; }
.news-feature:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-feature-img { position: relative; overflow: hidden; }
.news-feature-img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform .4s var(--ease-out); }
.news-feature:hover .news-feature-img img { transform: scale(1.02); }
.news-feature-tag { position: absolute; top: 14px; left: 14px; z-index: 1; background: var(--color-primary); color: white; border-radius: 999px; padding: 4px 12px; font-size: 12px; }
.news-feature-body { padding: 22px 24px 24px; }
.news-feature-body h3 { font-size: clamp(18px,1.8vw,24px); line-height: 1.5; }
.news-feature-body h3 a:hover { color: var(--color-primary); }
.news-feature-body p { color: var(--color-muted); font-size: 15px; line-height: 1.8; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; color: var(--color-weak); font-size: 13px; }
.news-meta .date { display: flex; align-items: center; gap: 6px; }
.news-date i { margin-right: 3px; }
.news-side { display: flex; flex-direction: column; gap: 14px; }
.news-item { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 16px 18px; background: #fff; transition: box-shadow .22s, border-color .22s, transform .22s; }
.news-item:hover { border-color: rgba(31,74,68,.45); box-shadow: var(--shadow-sm); transform: translateX(-3px); }
.news-item-core { min-width: 0; }
.news-item-title { font-size: 15px; font-weight: 600; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-title:hover { color: var(--color-primary); }
.news-item-meta { display: flex; gap: 14px; color: var(--color-weak); font-size: 12px; margin-top: 5px; }
.news-go { width: 30px; height: 30px; border: 1px solid var(--color-line); border-radius: 50%; display: grid; place-items: center; color: var(--color-accent); flex: 0 0 auto; transition: background .2s, color .2s; }
.news-item:hover .news-go { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.news-empty { border: 1px dashed var(--color-line); border-radius: var(--radius-lg); background: #FBF9F5; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 52px 20px; color: var(--color-muted); text-align: center; }
.news-empty i { font-size: 34px; opacity: .35; }
.news-side .news-side-title { font-size: 14px; color: var(--color-primary); font-weight: 600; display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }

/* proof + quotes */
.proof-bg { background: var(--color-bg); }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: stretch; }
.proof-summary { display: flex; flex-direction: column; justify-content: space-between; }
.proof-summary .big { font-size: clamp(28px, 3vw, 42px); line-height: 1.4; letter-spacing: -.01em; }
.proof-summary .big strong { display: block; color: var(--color-primary); }
.proof-stat { display: flex; gap: 34px; margin-top: 40px; flex-wrap: wrap; }
.proof-stat-num { font-size: clamp(32px, 4vw, 52px); font-weight: 700; color: var(--color-primary); line-height: 1; }
.proof-stat span { display: block; margin-top: 8px; color: var(--color-muted); font-size: 14px; }
.quote-cards { display: grid; gap: 16px; }
.quote-card { position: relative; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 22px 24px 20px; box-shadow: var(--shadow-sm); }
.quote-card::before { content: ""; position: absolute; top: 0; left: 26px; right: 26px; height: 3px; background: var(--color-accent); border-radius: 0 0 6px 6px; }
.quote-card p { color: var(--color-muted); font-size: 14px; line-height: 1.9; }
.quote-person { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.quote-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--color-primary); color: white; font-size: 14px; font-weight: 700; display: grid; place-items: center; }
.quote-person b { font-size: 14px; display: block; color: var(--color-ink); }
.quote-person span { color: var(--color-weak); font-size: 12px; display: block; }

/* faq */
.faq-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; }
.faq-tip { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 24px; }
.faq-tip h3 { font-size: 18px; }
.faq-tip p { margin-top: 10px; color: var(--color-muted); font-size: 14px; line-height: 1.9; }
.faq-tip .link-cta { margin-top: 20px; }
.faq-list detail { border-bottom: 1px solid var(--color-line); }
.faq-list summary { list-style: none; padding: 15px 4px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 14px; color: var(--color-ink); font-weight: 600; transition: color .2s; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--color-primary); }
.faq-list summary i { font-size: 14px; color: var(--color-accent); flex: 0 0 auto; transition: transform .25s; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-answer { color: var(--color-muted); font-size: 14px; padding: 4px 20px 22px 4px; line-height: 2; }
.faq-answer code { background: rgba(31, 74, 68, .06); color: var(--color-primary); border-radius: 5px; padding: 2px 8px; }

/* bottom CTA */
.cta-section { background: var(--color-primary-dark); color: white; position: relative; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: .18; }
.cta-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 34px; flex-wrap: wrap; }
.cta-title { font-size: clamp(26px, 3.4vw, 44px); color: #fff; line-height: 1.3; }
.cta-title span { color: var(--color-accent); }
.cta-sub { color: rgba(230, 239, 235, .75); margin-top: 10px; max-width: 680px; }
.cta-actions { display: flex; gap: 12px; align-items: center; }

/* footer */
.site-footer { background: #15221f; color: rgba(231, 240, 236, .68); }
.footer-main { display: grid; grid-template-columns: 3fr 3fr 3fr 3fr; gap: 30px; padding: 60px 0 48px; }
.footer-title { color: #fff; font-weight: 600; font-size: 15px; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.footer-brand { font-size: 18px; font-weight: 700; }
.footer-desc { font-size: 14px; line-height: 2; margin-top: 14px; }
.footer-nav li a { display: inline-flex; align-items: center; gap: 7px; padding: 3px 0; font-size: 14px; color: rgba(231, 240, 236, .65); transition: color .2s, padding-left .2s; }
.footer-nav li a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; padding: 5px 0; font-size: 14px; }
.footer-contact i { color: var(--color-accent); margin-top: 5px; }
.footer-copyright { border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0; font-size: 13px; color: rgba(231, 240, 236, .4); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copyright .icp-mark { display: inline-flex; align-items: center; gap: 6px; }

/* floating bottom bar */
.floating-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; transform: translateY(110%);
  transition: transform .32s var(--ease-out), opacity .32s;
  background: rgba(255, 255, 255, .7); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-top: 1px solid rgba(232, 226, 216, .9); box-shadow: 0 -12px 30px rgba(0,0,0,.08);
  opacity: 0;
}
.floating-cta.visible { transform: translateY(0); opacity: 1; }
.floating-cta.hidden { transform: translateY(110%); opacity: 0; pointer-events: none; }
.floating-cta-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.floating-cta-tip { font-size: 14px; color: var(--color-muted); }
.floating-cta-tip b { color: var(--color-ink); font-weight: 600; }

/* page transitions */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.is-show { opacity: 1; transform: none; }

/* responsive */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { order: 2; max-width: 720px; }
  .proof-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .header-shell { min-height: 68px; height: auto; padding: 10px 0; flex-wrap: wrap; }
  .brand-name { font-size: 16px; }
  .main-nav {
    display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; background: white;
    border-radius: 16px; box-shadow: var(--shadow-md); border: 1px solid var(--color-line); margin-top: 8px; padding: 8px 16px;
  }
  .main-nav.open { display: flex; }
  .nav-link { padding: 14px 2px; border-bottom: 1px solid var(--color-line); }
  .nav-link::after { display: none; }
  .mobile-toggle { display: inline-flex; }
  .header-actions { display: none; }
  .header-search-mobile { display: flex; margin-top: 6px; width: 100%; }
  .feature-gird { grid-template-columns: 1fr; }
  .feature-wide { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  .section { --space-section: 76px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 30px; }
  .news-layout { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 38px; }
  .hero-trust li { padding-right: 15px; padding-left: 25px; margin-right: 0; }
  .hero-trust li + li::before { left: 8px; }
  .hero-trust li:first-child { padding-left: 0; }
  .cta-actions { width: 100%; flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
  .floating-cta-tip { display: none; }
  .trust-strip .container { grid-template-columns: 1fr 1fr; display: grid; gap: 18px; }
  .trust-dot { display: none; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding-top: 44px; }
}
@media (max-width: 520px) {
  .btn { padding: 9px 15px; }
  .btn-lg { padding: 14px 17px; }
  .header-shell { padding-block: 7px; }
  .brand-name { font-size: 15px; max-width: calc(100vw - 95px); white-space: normal; line-height: 1.2; }
  .hero-title { font-size: clamp(31px, 9vw, 42px); }
  .hero-title .title-sub { font-size: 20px; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn { width: 100%; }
  .feature-panel { padding: 24px; }
  .quote-card p { font-size: 13px; }
  .footer-contact li { font-size: 13px; }
}

/* roulang page: article */
:root{
  --color-bg:#F7F4EF;
  --color-surface:#FFFFFF;
  --color-ink:#1C1D21;
  --color-primary:#1F4A44;
  --color-primary-dark:#14332F;
  --color-accent:#B08A47;
  --color-accent-deep:#8F6F35;
  --color-line:#E8E2D8;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(22,24,30,.04), 0 8px 24px rgba(22,24,30,.04);
  --shadow-md:0 4px 12px rgba(22,24,30,.05), 0 24px 48px rgba(22,24,30,.10);
  --space-section:clamp(72px, 10vw, 128px);
  --container:1280px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-ink);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font:inherit;border:0;outline:0;background:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:8px;padding:12px 24px;font-weight:600;font-size:15px;line-height:1;cursor:pointer;transition:background .2s cubic-bezier(.2,.7,.2,1),color .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn-gold{background:var(--color-accent);color:#fff;box-shadow:0 8px 24px rgba(176,138,71,.22)}
.btn-gold:hover{background:var(--color-accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.tag{display:inline-flex;align-items:center;gap:6px;background:#EFEAE1;color:var(--color-primary);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;letter-spacing:.02em;line-height:1.2}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,226,216,.6);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 8px 30px rgba(22,24,30,.05);border-bottom-color:var(--color-line)}
.header-shell{display:flex;align-items:center;min-height:76px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;font-size:18px;color:var(--color-ink);flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--color-primary);color:#fff;flex-shrink:0}
.brand-name{font-size:19px}
.main-nav{display:flex;align-items:center;gap:28px;margin:0 auto;padding:0 4px}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:#3A3D42;padding:12px 0;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:6px;width:0;height:2px;border-radius:2px;background:var(--color-primary);transition:width .22s ease}
.nav-link:hover{color:var(--color-primary)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--color-primary)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--color-line);border-radius:999px;padding:0 14px;height:40px;width:200px;transition:border-color .2s,box-shadow .2s,width .2s}
.nav-search:focus-within{width:220px;border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(31,74,68,.08)}
.nav-search i{color:#94979E;font-size:14px;flex-shrink:0}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--color-ink)}
.nav-search input::placeholder{color:#A3A7AD}
.mobile-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:#fff;border:1px solid var(--color-line);color:var(--color-primary);font-size:17px;cursor:pointer;transition:background .2s,color .2s}
.mobile-toggle:hover{background:var(--color-primary);color:#fff}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:18px 0 10px;font-size:13px;color:#777A80}
.crumbs a{color:var(--color-primary);font-weight:500}
.crumbs a:hover{color:var(--color-accent)}
.crumbs i{font-size:10px;color:#B5B1A9}

.article-page-hero{position:relative;color:#fff;border-radius:0 0 26px 26px;overflow:hidden;background-image:linear-gradient(115deg,rgba(16,36,32,.94) 0%,rgba(30,72,64,.84) 55%,rgba(47,89,75,.68) 100%),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;}
.article-page-hero .container{position:relative;z-index:2;padding-top:clamp(52px,8vw,100px);padding-bottom:clamp(52px,8vw,92px)}
.article-eyebrow{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:22px}
.article-eyebrow .tag{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(6px)}
.article-eyebrow .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.article-eyebrow .crumb-cat{font-size:14px;color:rgba(255,255,255,.78)}
.article-page-hero h1{font-size:clamp(32px,4.4vw,54px);font-weight:700;line-height:1.2;letter-spacing:-.02em;max-width:920px;margin-bottom:24px;color:#fff}
.article-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta-row span{display:inline-flex;align-items:center;gap:8px}
.article-meta-row i{color:rgba(255,255,255,.5)}
.article-hero-line{width:80px;height:3px;border-radius:3px;background:var(--color-accent);margin-bottom:24px}

.article-content-wrap{position:relative;margin-top:-26px;padding:0 0 40px}
.article-shell{max-width:900px;margin:0 auto;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:clamp(26px,5vw,64px)}
.article-body{font-size:17px;line-height:1.85;color:#2A2C32}
.article-body p{margin-bottom:28px}
.article-body h2{font-size:24px;line-height:1.4;margin:48px 0 20px;padding-left:14px;border-left:4px solid var(--color-primary);color:var(--color-ink)}
.article-body h3{font-size:20px;line-height:1.5;margin:38px 0 16px;color:var(--color-primary-dark)}
.article-body blockquote{margin:30px 0;padding:22px 28px;background:#F4EFE6;border-left:4px solid var(--color-accent);border-radius:8px;color:#4F4B45;font-size:16px}
.article-body blockquote p{margin:0}
.article-body ul,.article-body ol{margin:22px 0 30px;padding-left:8px}
.article-body ul>li{margin-bottom:8px;padding-left:22px;position:relative}
.article-body ul>li::before{content:'';position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--color-accent)}
.article-body ol{counter-reset:artlist}
.article-body ol>li{counter-increment:artlist;margin-bottom:10px;padding-left:36px;position:relative}
.article-body ol>li::before{content:counter(artlist,decimal-leading-zero);position:absolute;left:0;top:.2em;font-size:13px;font-weight:700;color:var(--color-primary);background:#E5EFEA;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:7px}
.article-body table{width:100%;border-collapse:collapse;margin:32px 0}
.article-body th,.article-body td{text-align:left;padding:12px 16px;border:1px solid var(--color-line)}
.article-body th{background:#EEF3EF;color:var(--color-primary-dark);font-weight:600}
.article-body code{background:#F0ECE4;border-radius:6px;padding:2px 8px;font-size:.86em;color:#72572A}
.article-body a{color:var(--color-primary);border-bottom:1px solid rgba(31,74,68,.25);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--color-accent);border-color:var(--color-accent)}
.article-tip{display:flex;gap:14px;background:#F6F1E8;border:1px solid #E5D5BB;border-left:4px solid var(--color-accent);border-radius:12px;padding:18px 20px;margin:28px 0;font-size:15px;color:#524B41}
.article-tip i{color:var(--color-accent);margin-top:3px}
.article-tip strong{color:var(--color-primary-dark);display:block;margin-bottom:4px}

.article-bottom-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;border-top:1px solid var(--color-line);margin-top:50px;padding-top:26px}
.source-inline{display:inline-flex;align-items:center;gap:8px;color:#6B6F76;font-size:14px}
.source-inline i{color:var(--color-accent)}
.related-note{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:#6B6F76}
.related-note a{color:var(--color-primary);font-weight:600}
.related-note a:hover{color:var(--color-accent)}

.unfound-wrap{min-height:56vh;display:flex;align-items:center;justify-content:center;padding:clamp(50px,8vw,110px) 0}
.unfound-box{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:clamp(36px,6vw,72px);text-align:center;max-width:620px;width:100%}
.unfound-icon{width:72px;height:72px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;background:#F1EAE0;border-radius:50%;color:var(--color-accent);font-size:28px}
.unfound-box h1{font-size:28px;color:var(--color-primary-dark);margin-bottom:14px}
.unfound-box p{color:#63666C;max-width:420px;margin:0 auto 28px}

.article-related{background:#ffffff;border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line);padding:clamp(56px,8vw,96px) 0}
.section-lab{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--color-accent);letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.section-lab::before{content:'';width:26px;height:2px;background:var(--color-accent)}
.article-related h2{font-size:clamp(28px,3.2vw,40px);line-height:1.3;color:var(--color-ink);margin-bottom:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.rel-card{border:1px solid var(--color-line);border-radius:var(--radius-md);overflow:hidden;background:#fff;transition:transform .2s cubic-bezier(.2,.7,.2,1),box-shadow .2s,border-color .2s}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(31,74,68,.3)}
.rel-card-image{height:152px;overflow:hidden;background:#EAE4DA}
.rel-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-card-image img{transform:scale(1.04)}
.rel-card-body{padding:22px 24px 24px}
.rel-card-tag{font-size:12px;font-weight:700;color:var(--color-accent);text-transform:uppercase;letter-spacing:.06em;display:inline-block;margin-bottom:8px}
.rel-card-body h3{font-size:18px;line-height:1.5;margin-bottom:10px;transition:color .2s}
.rel-card:hover .rel-card-body h3{color:var(--color-primary)}
.rel-card-body p{font-size:14px;color:#686B72;line-height:1.75;margin-bottom:16px}
.rel-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--color-primary)}
.rel-card:hover .rel-more{color:var(--color-accent)}
.rel-more i{transition:transform .2s}
.rel-card:hover .rel-more i{transform:translateX(4px)}

.article-cta-zone{background:#1D332F;color:#F2EFE9;padding:clamp(64px,10vw,100px) 0;overflow:hidden;position:relative}
.article-cta-zone::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.15}
.article-cta-zone .container{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center}
.article-cta-zone h2{font-size:clamp(28px,3.4vw,42px);line-height:1.3;margin-bottom:16px;font-weight:600;color:#fff}
.article-cta-zone p{color:rgba(255,255,255,.76);font-size:16px;max-width:560px;margin-bottom:30px}
.article-cta-zone .btn-gold{font-size:17px;padding:17px 34px}

.site-footer{background:#1D2826;color:#B9C3BE;padding-top:64px}
.site-footer .container{display:flex;flex-direction:column}
.footer-main{display:grid;grid-template-columns:3fr 2.4fr 2.4fr 3fr;gap:clamp(28px,4vw,56px);padding-bottom:44px}
.footer-brand{font-size:20px;color:#fff;display:flex;align-items:center;gap:10px;font-weight:700}
.footer-title{font-size:15px;font-weight:700;color:#E7E3DB;margin-bottom:18px;letter-spacing:.02em}
.footer-title i{margin-right:8px}
.footer-desc{font-size:14px;line-height:1.8;color:#A8B4AF;max-width:360px;margin-top:16px}
.footer-nav{display:flex;flex-direction:column;gap:12px}
.footer-nav a{display:inline-flex;align-items:center;gap:8px;color:#A8B4AF;font-size:14px;transition:color .2s,transform .2s}
.footer-nav a i{font-size:10px;color:var(--color-accent)}
.footer-nav a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:14px;margin-top:0}
.footer-contact li{display:flex;gap:10px;color:#A8B4AF;font-size:14px;line-height:1.7}
.footer-contact i{color:var(--color-accent);margin-top:5px}
.footer-copyright{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:10px;font-size:13px;color:#7E8B86;flex-wrap:wrap}
.footer-copyright span{display:inline-flex;gap:8px;align-items:center}
.footer-copyright .icp-mark i{color:var(--color-accent)}

@media (max-width:1100px){
.main-nav{display:none;position:absolute;top:76px;left:0;right:0;margin:0;padding:18px;background:#FCFAF6;border-bottom:1px solid var(--color-line);box-shadow:var(--shadow-md);flex-direction:column;align-items:stretch;gap:4px}
.main-nav.open{display:flex}
.nav-link{padding:13px 12px;border-radius:8px}
.nav-link::after{display:none}
.nav-link.active,.nav-link:hover{background:#F1EEE7}
.header-search-mobile{display:flex;width:100%;margin-top:10px}
.header-actions .nav-search{display:none}
.mobile-toggle{display:inline-flex}
.header-shell{min-height:72px;gap:12px}
.brand-name{font-size:16px;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.footer-main{grid-template-columns:1fr 1fr}
.related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.article-shell{padding:28px 20px;border-radius:0;border-left:0;border-right:0;margin:0 -20px;width:auto}
.article-page-hero .container{padding-top:48px;padding-bottom:58px}
.article-page-hero h1{font-size:clamp(27px,7.2vw,38px)}
.article-meta-row{gap:12px}
.article-meta-row span{width:calc(50% - 8px)}
.related-grid{grid-template-columns:1fr}
.article-cta-zone h2{font-size:24px}
.footer-main{grid-template-columns:1fr 1fr;gap:30px}
.footer-copyright{flex-direction:column;align-items:center;text-align:center}
.article-bottom-meta{flex-direction:column;justify-content:flex-start;align-items:flex-start}
}
@media (max-width:520px){
.header-shell{padding:0 clamp(12px,4vw,20px)}
.brand-name{font-size:15px;max-width:112px}
.brand{overflow:hidden}
.header-actions .btn{padding:0 16px;height:40px;font-size:13px}
.footer-main{grid-template-columns:1fr;padding-bottom:32px}
.article-shell{padding:24px 16px;margin:0 -16px}
.article-body{font-size:15px}
.article-body p{margin-bottom:22px}
.article-page-hero .container{padding-top:42px;padding-bottom:48px}
.article-page-hero h1{font-size:25px;line-height:1.35}
.article-meta-row span{width:100%}
.article-tip{padding:16px;flex-direction:column;gap:8px}
.related-card-image{height:180px}
}

/* roulang page: category1 */
:root{
  --color-bg:#F7F4EF;
  --color-surface:#FFFFFF;
  --color-ink:#1C1D21;
  --color-primary:#1F4A44;
  --color-primary-dark:#163630;
  --color-accent:#B08A47;
  --color-accent-deep:#8F6F35;
  --color-line:#E8E2D8;
  --color-soft:#EAE4DA;
  --color-text-sub:#5A5E66;
  --color-text-mute:#8A8F98;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(24,20,16,.04),0 8px 24px rgba(24,20,16,.04);
  --shadow-md:0 4px 12px rgba(24,20,16,.05),0 24px 48px rgba(24,20,16,.10);
  --space-section:clamp(72px,9vw,128px);
  --container:1280px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--color-bg);
  color:var(--color-ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px)}
.section{padding:var(--space-section) 0}
.section-heading{
  display:flex;align-items:flex-start;
  gap:14px;
  margin:0 0 clamp(28px,4vw,48px);
}
.section-heading .section-marker{
  font-size:clamp(13px,1.8vw,16px);
  color:var(--color-primary);
  font-weight:700;
  line-height:1.6;
  position:relative;
}
.section-heading h2{
  font-size:clamp(28px,3.2vw,44px);
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.02em;
}
.section-heading .section-line{
  margin-top:12px;
  width:18px;height:3px;
  background:var(--color-accent);
  border-radius:999px;
  flex:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:0 24px;height:48px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .2s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform .18s var(--ease)}
.btn:hover i{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:3px solid rgba(176,138,71,.35);outline-offset:2px}
.btn-gold{
  background:var(--color-accent);
  color:#232019;
  border-color:var(--color-accent);
}
.btn-gold:hover{
  background:var(--color-accent-deep);
  border-color:var(--color-accent-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(143,111,53,.24);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(31,74,68,.55);
  color:var(--color-primary);
  padding:0 22px;
}
.btn-ghost:hover{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 36px;font-size:16px}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,244,239,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--color-line);
  transition:box-shadow .25s var(--ease),background .25s;
}
.site-header.is-scrolled{box-shadow:0 10px 32px rgba(24,20,16,.05)}
.header-shell{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none;transition:opacity .18s}
.brand:hover{opacity:.85}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--color-primary);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(31,74,68,.16);
}
.brand-name{
  font-size:clamp(15px,1.7vw,19px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--color-ink);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px;flex:1}
.nav-link{
  display:inline-flex;align-items:center;
  height:72px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--color-text-sub);
  position:relative;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;
  height:2px;border-radius:999px;
  background:var(--color-primary);
  opacity:0;transition:opacity .18s;
}
.nav-link:hover{color:var(--color-primary)}
.nav-link:hover::after{opacity:.35}
.nav-link.active{
  color:var(--color-primary);
  font-weight:600;
}
.nav-link.active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.header-search-mobile{display:none}
.nav-search{
  position:relative;
  display:flex;align-items:center;
}
.nav-search > i{
  position:absolute;left:14px;top:50%;
  transform:translateY(-50%);
  font-size:14px;
  color:var(--color-text-mute);
  pointer-events:none;
}
.nav-search input{
  width:220px;height:40px;
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:999px;
  padding:0 18px 0 38px;
  font-size:14px;
  outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s;
}
.nav-search input::placeholder{color:var(--color-text-mute)}
.nav-search input:focus{
  border-color:var(--color-primary);
  box-shadow:0 0 0 4px rgba(31,74,68,.08);
}
.header-actions .btn{flex:none}
.mobile-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--color-line);
  border-radius:8px;font-size:18px;color:var(--color-primary);
  cursor:pointer;transition:background .18s,border-color .18s;
}
.mobile-toggle:hover{border-color:var(--color-primary);background:rgba(31,74,68,.04)}

/* footer */
.site-footer{background:#1C2B28;color:rgba(255,255,255,.82)}
.site-footer .container{padding-top:clamp(48px,7vw,86px);padding-bottom:30px}
.footer-main{
  display:grid;grid-template-columns:3fr 3fr 3fr 3fr;
  gap:36px;
}
.footer-title{
  margin-bottom:16px;
  font-weight:700;font-size:17px;
  color:#fff;
  display:flex;align-items:center;gap:8px;
}
.footer-brand i{color:var(--color-accent)}
.footer-desc{color:rgba(255,255,255,.64);font-size:15px;max-width:280px;line-height:1.9;margin-top:10px}
.footer-nav li{margin-bottom:4px}
.footer-nav a,.footer-contact li{
  display:flex;align-items:flex-start;gap:9px;
  color:rgba(255,255,255,.66);
  font-size:15px;
  padding:6px 0;
  transition:color .18s,transform .18s var(--ease);
}
.footer-nav a i{color:var(--color-accent);font-size:12px;margin-top:7px}
.footer-nav a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{color:rgba(255,255,255,.66);font-size:14px}
.footer-contact li{line-height:1.7}
.footer-contact i{color:var(--color-accent);margin-top:5px}
.footer-copyright{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  color:rgba(255,255,255,.52);
  font-size:14px;
}
.icp-mark{color:var(--color-accent);font-size:13px;letter-spacing:.02em}

/* category hero */
.category-hero{
  position:relative;
  padding:clamp(56px,8vw,92px) 0 clamp(48px,6vw,76px);
  overflow:hidden;
  background:
    radial-gradient(circle at 78% 16%,rgba(176,138,71,.16),transparent 24%),
    linear-gradient(118deg,rgba(247,244,239,.98) 0%,rgba(247,244,239,.96) 42%,rgba(240,235,226,.92) 100%),
    url("/assets/images/backpic/back-2.webp") right top/cover;
}
.category-hero .container{position:relative;z-index:2}
.category-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(30px,5vw,60px);
  align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--color-line);
  border-radius:999px;
  padding:6px 14px;
  color:var(--color-text-sub);
  font-size:13px;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-badge i{color:var(--color-primary)}
.hero-badge strong{color:var(--color-primary);font-weight:600}
.category-hero h1{
  font-size:clamp(40px,6vw,72px);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.03em;
  margin:0 0 16px;
}
.hero-lead{
  color:var(--color-text-sub);
  font-size:clamp(16px,1.7vw,19px);
  max-width:560px;
  line-height:1.85;
}
.hero-description{
  color:var(--color-text-mute);
  max-width:560px;
  margin-top:10px;
  font-size:15px;
}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px}
.hero-pointers{
  margin-top:40px;
  display:flex;flex-wrap:wrap;gap:12px 26px;
}
.hero-pointers li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--color-text-sub)}
.hero-pointers i{color:var(--color-primary);width:18px;text-align:center}
.hero-direct-visual{
  position:relative;
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:var(--radius-lg);
  padding:10px 10px 16px;
  box-shadow:var(--shadow-md);
  transform:rotate(.5deg);
  transition:transform .3s var(--ease);
}
.hero-direct-visual:hover{transform:rotate(0) translateY(-6px)}
.hero-direct-visual img{border-radius:12px;aspect-ratio:4/3;object-fit:cover;width:100%;background:#EAE4DA}
.visual-caption{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px 2px;
  font-size:14px;color:var(--color-text-sub);
}
.visual-caption .heart-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(31,74,68,.07);
  border:1px solid rgba(31,74,68,.18);
  color:var(--color-primary);
  font-size:13px;
  padding:5px 12px;
  border-radius:999px;
}

/* section jump */
.section-jump{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  margin-top:-14px;margin-bottom:clamp(10px,2vw,24px);
  padding-top:18px;
}
.section-jump a{
  color:var(--color-text-sub);
  font-size:14px;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .18s,border-color .18s;
}
.section-jump a:hover{color:var(--color-primary);border-color:var(--color-primary)}
.section-jump i{color:var(--color-accent);font-size:12px}
.jump-label{font-size:14px;color:var(--color-text-mute);margin-right:auto;font-weight:500}

/* entry section */
.entry-section{background:var(--color-surface)}
.section-head-copy .overline{
  font-size:13px;letter-spacing:.12em;color:var(--color-accent);font-weight:600;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:8px;
}
.filter-toolbar{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
  padding:16px 18px;
  background:#FAF7F2;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  margin-bottom:28px;
}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px}
.filter-tab{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--color-line);
  background:#fff;
  padding:8px 17px;
  border-radius:999px;
  font-size:14px;color:var(--color-text-sub);
  cursor:pointer;
  transition:all .18s var(--ease);
}
.filter-tab:hover{border-color:var(--color-primary);color:var(--color-primary)}
.filter-tab.active{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(31,74,68,.12);
}
.filter-tab i{font-size:13px}
.direct-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.direct-card{
  background:var(--color-surface);
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:translateY .2s var(--ease),box-shadow .2s,border-color .2s;
}
.direct-card:hover{
  transform:translateY(-5px);
  border-color:rgba(31,74,68,.4);
  box-shadow:var(--shadow-md);
}
.direct-card--feature{grid-column:span 8}
.direct-card--normal{grid-column:span 4}
.direct-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--color-soft)}
.direct-card--feature .direct-media{aspect-ratio:16/10}
.direct-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.direct-card:hover .direct-media img{transform:scale(1.035)}
.media-tag{
  position:absolute;left:15px;top:15px;
  background:rgba(28,30,33,.1);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:#fff;
  font-size:12px;
  padding:5px 12px;
  border-radius:999px;
  letter-spacing:.03em;
  border:1px solid rgba(255,255,255,.22);
}
.direct-body{padding:26px 24px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.direct-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;
  background:rgba(31,74,68,.08);
  border:1px solid rgba(31,74,68,.14);
  color:var(--color-primary);
  font-size:12px;letter-spacing:.02em;
  padding:4px 11px;
  border-radius:999px;
}
.direct-body h3{font-size:clamp(19px,1.7vw,24px);font-weight:600;line-height:1.4;letter-spacing:-.01em;transition:color .18s}
.direct-card:hover .direct-body h3{color:var(--color-primary)}
.direct-body p{font-size:16px;color:var(--color-text-sub);line-height:1.85}
.direct-body ul{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.direct-body ul li{position:relative;padding-left:20px;font-size:15px;color:var(--color-text-sub)}
.direct-body ul li::before{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--color-accent);font-size:11px;position:absolute;left:0;top:7px}
.direct-card--feature .direct-body{margin-top:auto}
.direct-side-panel{
  grid-column:span 4;
  background:#1F4A44;
  color:#fff;
  border-radius:var(--radius-md);
  padding:32px 28px;
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
}
.direct-side-panel::after{
  content:"";position:absolute;right:-36px;bottom:-54px;
  width:150px;height:150px;border-radius:50%;
  border:2px solid rgba(255,255,255,.12);
}
.direct-side-panel i.panel-icon{color:var(--color-accent);font-size:27px;margin-bottom:16px}
.direct-side-panel h3{font-size:24px;font-weight:600;color:#fff;line-height:1.35;margin-bottom:6px}
.direct-side-panel > p{color:rgba(255,255,255,.76);font-size:15px;margin-bottom:18px}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.86);
  font-size:15px;
}
.check-list li:first-child{border-top:0}
.check-list i{color:var(--color-accent);margin-top:6px;font-size:13px}
.check-list span{line-height:1.7}

/* reason section 2+1 asymmetric */
.reason-section{background:linear-gradient(180deg,var(--color-bg) 0%,#F1ECE4 100%)}
.reason-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.reason-card{
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  padding:36px 32px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s,transform .2s;
}
.reason-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.reason-card {grid-column:span 5}
.reason-card + .reason-card{grid-column:span 7}
.reason-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:rgba(31,74,68,.06);
  color:var(--color-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  margin-bottom:22px;
  position:relative;
}
.reason-icon::after{
  content:"";position:absolute;right:-3px;top:-3px;
  width:14px;height:14px;
  border:3px solid #fff;
  border-radius:50%;
  background:var(--color-accent);
}
.reason-card h3{font-size:23px;font-weight:600;margin-bottom:10px}
.reason-card p{color:var(--color-text-sub);font-size:16px;line-height:1.9}
.reason-wide{
  grid-column:span 12;
  background:var(--color-primary);
  color:#fff;
  border-color:transparent;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:30px;
  align-items:center;
  padding:clamp(34px,5vw,52px);
  border-radius:var(--radius-lg);
  position:relative;overflow:hidden;
}
.reason-wide::before{
  content:"";position:absolute;right:-38px;top:-52px;
  width:210px;height:210px;border-radius:50%;
  border:2px solid rgba(255,255,255,.14);
}
.reason-wide > *{position:relative;z-index:2}
.reason-wide-copy{grid-column:span 7}
.reason-wide-steps{grid-column:span 5;display:flex;flex-direction:column;gap:14px}
.reason-wide h3{font-size:clamp(25px,3vw,35px);font-weight:600;color:#fff;line-height:1.3;margin-bottom:8px}
.reason-wide p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;max-width:520px}
.wide-check{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;
  padding:15px 16px;
  display:flex;align-items:flex-start;gap:13px;
  color:rgba(255,255,255,.92);
  font-size:15px;
  transition:background .2s,transform .2s;
}
.wide-check:hover{background:rgba(255,255,255,.15);transform:translateX(-3px)}
.wide-check i{color:var(--color-accent);margin-top:4px}

/* dark workflow */
.route-guide{background:#16302C;color:#fff;padding:var(--space-section) 0}
.route-guide .section-heading h2{color:#fff}
.route-guide .section-heading .section-marker{color:var(--color-accent)}
.steps-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:26px;margin-top:50px}
.step-card{
  grid-column:span 4;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-md);
  padding:30px 28px 32px;
  position:relative;
  transition:transform .2s var(--ease),background .2s;
}
.step-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.11)}
.step-num{
  font-size:clamp(38px,5vw,52px);
  font-weight:700;
  line-height:1;
  color:var(--color-accent);
  opacity:.9;
  margin-bottom:14px;
  font-kerning:normal;
}
.step-card h3{font-size:21px;font-weight:600;margin-bottom:10px;color:#fff}
.step-card p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.route-extra{
  grid-column:span 12;
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:30px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.extra-item{
  display:flex;flex-direction:column;gap:6px;
  padding:22px 22px;
  background:rgba(255,255,255,.04);
  border-left:1px solid rgba(255,255,255,.13);
  color:rgba(255,255,255,.86);
}
.extra-item:first-child{border-left:0}
.extra-item i{color:var(--color-accent);font-size:18px;margin-bottom:4px}
.extra-item b{font-size:14px;color:#fff;letter-spacing:.02em}
.extra-item span{font-size:14px;color:rgba(255,255,255,.6);line-height:1.65}

/* faq */
.faq-section{background:var(--color-surface)}
.faq-wrap{max-width:940px}
.faq-item{
  background:#FBF8F4;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(31,74,68,.32);box-shadow:var(--shadow-sm)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;
  cursor:pointer;
  list-style:none;
  padding:24px 28px;
  font-size:18px;
  font-weight:600;
  transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  color:var(--color-accent);
  transition:transform .25s var(--ease);
  font-size:16px;
  flex:none;
}
.faq-item[open] summary{color:var(--color-primary)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-answer{
  padding:0 28px 26px;
  color:var(--color-text-sub);
  line-height:1.9;
  font-size:15px;
  border-top:1px solid var(--color-line);
  padding-top:20px;
}

/* related entry cards */
.related-section{background:var(--color-bg)}
.related-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.related-card{
  grid-column:span 4;
  background:#fff;
  border:1px solid var(--color-line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:box-shadow .25s var(--ease),border-color .2s,transform .2s;
}
.related-card:hover{box-shadow:var(--shadow-md);border-color:rgba(176,138,71,.45);transform:translateY(-4px)}
.related-thumb{aspect-ratio:16/8;overflow:hidden;background:var(--color-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:22px 22px 24px}
.related-body .tag{margin-bottom:10px}
.related-body h3{font-size:20px;font-weight:600;line-height:1.45}
.related-body p{font-size:15px;color:var(--color-text-sub);margin-top:8px;line-height:1.75}
.related-body a.chip-link{
  display:inline-block;margin-top:14px;
  color:var(--color-primary);
  font-weight:600;font-size:14px;
  border-bottom:1px solid transparent;
  transition:border-color .18s,color .18s;
}
.related-body a.chip-link:hover{border-color:var(--color-primary)}
.related-card .current-mark{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--color-accent);
  color:#2A2419;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
}

/* final cta */
.final-cta{
  padding:var(--space-section) 0;
  color:#fff;
  background:
    linear-gradient(135deg,rgba(22,48,44,.92) 0%,rgba(31,74,68,.96) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover;
  position:relative;overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;left:-94px;top:-130px;
  width:300px;height:300px;border-radius:50%;
  background:rgba(176,138,71,.18);
  filter:blur(10px);
}
.final-cta .container{position:relative;z-index:2}
.cta-final-inner{max-width:850px}
.cta-final-inner h2{
  font-size:clamp(32px,4vw,52px);
  font-weight:600;
  letter-spacing:-.02em;
  line-height:1.2;
  color:#fff;
}
.cta-final-inner p{margin-top:16px;color:rgba(255,255,255,.76);font-size:17px;line-height:1.9}
.cta-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:16px}
.cta-final-note{
  margin-top:29px;color:rgba(255,255,255,.6);
  font-size:15px;
  display:inline-flex;align-items:center;gap:8px;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:18px;
}
.cta-final-note i{color:var(--color-accent)}

@media (max-width:1099px){
  .section-jump{padding-top:4px}
  .nav-search input{width:190px}
  .direct-card--feature{grid-column:span 12}
  .direct-side-panel{grid-column:span 12}
  .direct-card--normal{grid-column:span 6}
  .route-extra{grid-template-columns:repeat(2,1fr)}
  .extra-item{border-left:0;border-top:1px solid rgba(255,255,255,.13)}
  .extra-item:nth-child(-n+2){border-top:0}
  .extra-item:first-child{border-left:0}
  .reason-card{grid-column:span 12}
  .reason-card + .reason-card{grid-column:span 12}
  .footer-main{grid-template-columns:repeat(2,1fr);gap:30px}
  .header-actions .nav-search{display:none}
  .main-nav .header-search-mobile{display:flex}
}
@media (max-width:899px){
  .category-hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-direct-visual{max-width:560px}
  .header-shell{gap:12px}
  .nav-link{padding:0 10px;font-size:14px}
  .brand-name{font-size:16px}
  .reason-wide{grid-template-columns:1fr}
  .reason-wide-copy{grid-column:span 12}
  .reason-wide-steps{grid-column:span 12}
  .steps-wrap .step-card{grid-column:span 12}
  .related-card{grid-column:span 6}
}
@media (max-width:767px){
  .site-header .main-nav{
    display:none;
    position:absolute;top:100%;left:12px;right:12px;
    background:#fff;
    border:1px solid var(--color-line);
    box-shadow:var(--shadow-md);
    padding:10px 18px 18px;
    border-radius:16px;
    flex-direction:column;align-items:stretch;gap:0;
    overflow:auto;max-height:calc(100vh - 80px);
  }
  .site-header .main-nav.is-open{display:flex}
  .main-nav .nav-link{height:auto;padding:13px 10px;border-bottom:1px solid var(--color-line)}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{background:rgba(31,74,68,.06);border-radius:8px}
  .main-nav .header-search-mobile{display:flex;padding-top:12px}
  .main-nav .header-search-mobile input{width:100%}
  .header-actions{margin-left:auto}
  .header-actions .btn{height:40px;padding:0 15px;font-size:14px}
  .mobile-toggle{display:flex}
  .brand-mark{width:34px;height:34px}
  .brand-name{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .section-heading{flex-direction:column;gap:4px}
  .section-heading h2{font-size:28px}
  .section-heading .section-marker{font-size:13px}
  .category-hero h1{font-size:42px}
  .direct-grid{grid-template-columns:1fr;gap:18px}
  .direct-card--feature,.direct-card--normal,.direct-side-panel{grid-column:auto}
  .reason-card,.reason-card + .reason-card,.reason-wide,.reason-wide-copy,.reason-wide-steps,.related-card{grid-column:auto}
  .route-extra{grid-template-columns:1fr}
  .extra-item{border-left:0;border-top:1px solid rgba(255,255,255,.13);padding:16px 18px}
  .extra-item:first-child{border-top:0}
  .faq-item summary{font-size:16px;padding:18px 18px}
  .faq-answer{padding:0 18px 20px}
  .footer-main{grid-template-columns:1fr;gap:24px}
  .footer-copyright{flex-direction:column;align-items:flex-start}
  .container{padding-left:20px;padding-right:20px}
  .hero-actions .btn{flex:1;justify-content:center}
  .hero-pointers{flex-direction:column;align-items:flex-start}
  .btn-gold,.btn-ghost{width:100%}
  .section{--space-section:clamp(64px,10vw,100px)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --color-bg:#F7F4EF;
  --color-surface:#FFFFFF;
  --color-ink:#1C1D21;
  --color-primary:#1F4A44;
  --color-primary-dark:#12332D;
  --color-accent:#B08A47;
  --color-accent-dark:#8F6F35;
  --color-text-secondary:#5A5E66;
  --color-muted:#8A8F98;
  --color-line:#E8E2D8;
  --color-line-strong:#D7CFC2;
  --color-cream:#EFE9E0;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(22,24,30,.03),0 8px 24px rgba(22,24,30,.04);
  --shadow-md:0 4px 12px rgba(22,24,30,.05),0 24px 48px rgba(22,24,30,.1);
  --space-section:clamp(72px,8vw,120px);
  --container:1280px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:var(--color-bg);color:var(--color-ink);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px)}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:4px}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(232,226,216,.9);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(22,24,30,.04)}
.header-shell{display:flex;align-items:center;gap:clamp(14px,2vw,28px);height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-width:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--color-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;color:var(--color-ink)}
.brand-name em{font-style:normal;color:var(--color-primary)}
.main-nav{display:flex;align-items:center;gap:clamp(12px,1.8vw,28px);margin-left:auto}
.nav-link{font-size:15px;color:var(--color-text-secondary);font-weight:550;position:relative;padding:8px 0;white-space:nowrap;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--color-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--color-primary)}
.nav-link.active{color:var(--color-primary)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--color-line);border-radius:999px;padding:8px 12px 8px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:230px}
.nav-search i{font-size:13px;color:var(--color-muted)}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;color:var(--color-ink);width:100%;min-width:0}
.nav-search input::placeholder{color:#C2BDB4}
.nav-search:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(31,74,68,.1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-sm);font-size:15px;padding:10px 22px;line-height:1.4;white-space:nowrap;border:1px solid transparent;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}
.btn i{font-size:13px}
.btn-gold{background:var(--color-accent);color:#FFFDF7}
.btn-gold:hover{background:var(--color-accent-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-gold .fa-arrow-right,.btn-gold .fa-arrow-up-right-from-square{transition:transform .2s var(--ease)}
.btn-gold:hover .fa-arrow-right,.btn-gold:hover .fa-arrow-up-right-from-square{transform:translateX(3px)}
.btn-line{background:transparent;border-color:var(--color-primary);color:var(--color-primary)}
.btn-line:hover{background:var(--color-primary);color:#fff}
.mobile-toggle{display:none;background:#fff;border:1px solid var(--color-line);border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;color:var(--color-primary);font-size:18px;flex-shrink:0}
.header-search-mobile{display:none}

/* page hero band */
.page-hero{position:relative;background:var(--color-bg);overflow:hidden;border-bottom:1px solid var(--color-line)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.16;z-index:0}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,244,239,.96) 48%,rgba(247,244,239,.85));z-index:0}
.page-hero-inner{position:relative;z-index:2;padding:clamp(46px,7vw,96px) 0 clamp(40px,6vw,72px)}
.top-bread{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--color-muted);margin-bottom:22px}
.top-bread a{color:var(--color-muted);transition:color .2s var(--ease)}
.top-bread a:hover{color:var(--color-primary)}
.top-bread i{font-size:10px;color:#C6BFB5}
.page-hero h1{font-size:clamp(38px,5.4vw,62px);font-weight:700;letter-spacing:-.02em;line-height:1.12;max-width:900px}
.page-hero h1 .accent{color:var(--color-primary)}
.lead-desc{margin-top:22px;font-size:clamp(16px,1.4vw,18px);line-height:1.85;color:var(--color-text-secondary);max-width:860px}
.hero-tags{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:30px}
.micro-tag{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--color-line);border-radius:999px;padding:7px 14px;font-size:13px;color:var(--color-text-secondary);box-shadow:var(--shadow-sm)}
.micro-tag i{color:var(--color-primary);font-size:13px}

/* quick anchor */
.quick-anchor{border-bottom:1px solid var(--color-line);background:rgba(255,255,255,.55)}
.quick-anchor-inner{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:18px 0}
.quick-anchor-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--color-primary);margin-right:8px}
.quick-anchor-label i{font-size:13px}
.anchor-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--color-line);font-size:14px;color:var(--color-text-secondary);transition:all .2s var(--ease)}
.anchor-chip i{font-size:12px;color:var(--color-accent)}
.anchor-chip:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}

/* section base */
.section{padding:var(--space-section) 0;position:relative}
.section-alt{background:#fff;border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(36px,5vw,60px);flex-wrap:wrap}
.section-kicker{display:flex;align-items:center;gap:10px;color:var(--color-accent);font-weight:650;font-size:14px;letter-spacing:.05em}
.section-kicker i{font-size:16px}
.sec-num{display:inline-flex;height:30px;padding:0 12px;align-items:center;border-radius:999px;background:var(--color-primary);color:#fff;font-size:13px;font-weight:650;letter-spacing:.02em}
.section-title{font-size:clamp(26px,3.2vw,42px);line-height:1.2;font-weight:650;letter-spacing:-.015em;color:var(--color-ink);max-width:760px}
.title-bar{display:flex;align-items:center;gap:14px}
.title-bar::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--color-accent)}
.section-sub{font-size:15px;line-height:1.85;color:var(--color-text-secondary);max-width:640px}

/* alternating block */
.dual-row{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(28px,5vw,84px);align-items:center;margin-bottom:clamp(40px,5vw,64px)}
.dual-row:last-child{margin-bottom:0}
.dual-row.flip .dual-media{order:2}
.dual-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--color-line);background:var(--color-cream);aspect-ratio:5/4}
.dual-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.001);transition:transform .6s var(--ease)}
.dual-row:hover .dual-media img{transform:scale(1.025)}
.media-flag{position:absolute;left:16px;top:16px;display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;color:var(--color-primary);box-shadow:var(--shadow-sm);z-index:3}
.media-flag i{color:var(--color-accent)}
.dual-copy .step-overline{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:650;color:var(--color-accent);letter-spacing:.08em;margin-bottom:16px}
.dual-copy .step-overline .dot{width:5px;height:5px;border-radius:50%;background:var(--color-accent)}
.dual-copy h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:650;letter-spacing:-.01em;margin-bottom:18px}
.dual-copy h2 .primary{color:var(--color-primary)}
.dual-copy p{color:var(--color-text-secondary);font-size:15.5px;line-height:1.9;margin-top:14px}
.dual-feature{list-style:none;margin-top:22px;display:grid;gap:12px}
.dual-feature li{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-md);padding:13px 16px;font-size:14.5px;color:var(--color-text-secondary);transition:all .2s var(--ease)}
.dual-feature li:hover{border-color:var(--color-primary);color:var(--color-ink);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.dual-feature li i{color:var(--color-primary);margin-top:4px;font-size:15px;width:18px;text-align:center;flex-shrink:0}
.dual-feature li strong{color:var(--color-ink);font-weight:600}

/* dark metric band */
.metric-band{background:var(--color-primary-dark);position:relative;overflow:hidden}
.metric-band::before{content:"";position:absolute;right:-5%;top:-20%;width:430px;height:430px;background:radial-gradient(circle,rgba(176,138,71,.32),transparent 68%);z-index:0}
.metric-band .container{position:relative;z-index:1}
.metric-band-row{display:grid;grid-template-columns:1.2fr 1.6fr;gap:clamp(28px,5vw,72px);align-items:center}
.metric-left h2{color:#fff;font-size:clamp(24px,3vw,38px);line-height:1.3;letter-spacing:-.02em;font-weight:650}
.metric-left h2 .gold{color:#EFD3A2}
.metric-left p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;margin-top:18px}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-top:3px solid var(--color-accent);border-radius:var(--radius-md);padding:24px 20px;backdrop-filter:blur(4px)}
.metric-value{font-size:clamp(32px,4vw,48px);line-height:1;font-weight:700;letter-spacing:-.02em;color:#fff}
.metric-value .suffix{font-size:.6em;color:#EFD3A2;font-weight:500}
.metric-title{font-size:15px;font-weight:650;color:#fff;margin:12px 0 6px}
.metric-desc{font-size:13px;color:rgba(255,255,255,.68);line-height:1.7}

/* path list */
.path-wrap{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.path-item{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:10px 20px;align-items:flex-start;padding:clamp(20px,3vw,30px) clamp(22px,3vw,34px);border-bottom:1px solid var(--color-line);transition:background .2s var(--ease)}
.path-item:last-child{border-bottom:0}
.path-item:hover{background:rgba(239,233,224,.35)}
.path-no{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--color-accent);font-family:Georgia,"Times New Roman",serif;line-height:1;opacity:.8;padding-top:4px}
.path-index{color:var(--color-accent);font-size:13px;font-weight:650;letter-spacing:.06em;margin-top:2px}
.path-main h3{font-size:clamp(18px,1.7vw,22px);font-weight:650;margin-bottom:6px}
.path-main h3 i{color:var(--color-primary);font-size:.8em;margin-left:6px}
.path-main p{font-size:14.5px;color:var(--color-text-secondary);line-height:1.75}
.path-badge{display:inline-flex;align-items:center;gap:6px;background:var(--color-cream);border:1px solid var(--color-line);color:var(--color-primary);font-size:13px;font-weight:600;border-radius:999px;padding:5px 13px;white-space:nowrap}
.path-badge i{font-size:11px}

/* faq */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-md);overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.faq-item.is-open{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;text-align:left;padding:20px 24px;color:var(--color-ink);font-weight:600;font-size:16px;transition:color .2s var(--ease)}
.faq-q .q-no{color:var(--color-accent);font-weight:650;font-size:14px;margin-right:10px;font-family:Georgia,serif}
.faq-q:hover{color:var(--color-primary)}
.faq-q .toggle-icon{flex-shrink:0;width:32px;height:32px;border-radius:10px;border:1px solid var(--color-line);display:inline-flex;align-items:center;justify-content:center;color:var(--color-primary);font-size:13px;transition:all .25s var(--ease);background:#fff}
.faq-item.is-open .toggle-icon{background:var(--color-accent);color:#fff;border-color:var(--color-accent);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--color-text-secondary);line-height:1.85;border-top:1px dashed var(--color-line);margin:0 24px;padding:18px 0 20px 0}
.faq-a-inner p{margin-bottom:8px}
.faq-a-inner p:last-child{margin-bottom:0}

/* cta band */
.cta-band{position:relative;background:var(--color-primary-dark);overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.2;z-index:0}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,#12332D 22%,transparent 80%);z-index:0}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:clamp(28px,5vw,80px);padding:clamp(60px,8vw,108px) 0;flex-wrap:wrap}
.cta-copy h2{color:#fff;font-size:clamp(28px,3.8vw,48px);line-height:1.18;font-weight:650;letter-spacing:-.02em;max-width:720px}
.cta-copy h2 .gold{color:#EFD3A2}
.cta-copy p{color:rgba(255,255,255,.75);font-size:15.5px;margin-top:18px;line-height:1.9;max-width:580px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-round{height:56px;padding:0 34px;font-size:16px;border-radius:var(--radius-md);box-shadow:0 12px 32px rgba(0,0,0,.18)}
.btn-cta{background:var(--color-accent);color:#fff}
.btn-cta:hover{background:#D4A45C;transform:translateY(-2px)}
.quiet-link{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);font-size:14.5px;transition:color .2s var(--ease)}
.quiet-link i{transition:transform .2s var(--ease)}
.quiet-link:hover{color:#fff}
.quiet-link:hover i{transform:translateX(4px)}

/* footer */
.site-footer{background:#1C2B28;color:rgba(255,255,255,.7);padding:clamp(48px,6vw,76px) 0 0}
.footer-main{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.3fr;gap:clamp(24px,4vw,56px);padding-bottom:clamp(32px,5vw,56px)}
.footer-brand{font-size:17px;color:#fff !important}
.footer-brand i{margin-right:2px}
.footer-title{color:#fff;font-weight:600;margin-bottom:16px;font-size:15.5px;letter-spacing:.02em}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);margin-top:14px;max-width:330px;margin-bottom:6px}
.footer-nav{list-style:none;display:grid;gap:6px}
.footer-nav a{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:rgba(255,255,255,.64);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-nav a i{font-size:9px;color:var(--color-accent)}
.footer-nav a:hover{color:#fff;padding-left:4px}
.footer-contact{list-style:none;display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-contact i{color:var(--color-accent);margin-top:5px;font-size:14px;width:16px;text-align:center}
.footer-copyright{border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0 24px;font-size:13px;color:rgba(255,255,255,.46)}
.icp-mark{display:inline-flex;gap:7px;align-items:center}

/* responsive */
@media (max-width:1099px){
  .main-nav{order:3;position:fixed;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:18px clamp(20px,4vw,48px) 24px;box-shadow:var(--shadow-md);border-bottom:1px solid var(--color-line);gap:2px;transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:all .25s var(--ease);margin-left:0;max-height:calc(100vh - 88px);overflow:auto;z-index:79}
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .main-nav .nav-link{padding:13px 6px;color:var(--color-ink)}
  .main-nav .nav-link::after{display:none}
  .nav-search{width:auto}
  .header-search-mobile{display:flex !important;margin-top:10px;background:var(--color-bg);border-color:var(--color-line)}
  .header-actions .nav-search{display:none}
  .mobile-toggle{display:inline-flex}
  .header-actions{gap:10px}
  .btn{margin-left:0}
  .header-shell{gap:12px}
  .brand-name{font-size:15px}
  .page-hero-inner{padding-top:clamp(40px,5vw,60px)}
  .metric-band-row,.dual-row{grid-template-columns:1fr}
  .dual-row.flip .dual-media{order:0}
  .dual-media{aspect-ratio:16/11}
  .metric-band-row{gap:34px}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .header-shell{height:66px}
  .main-nav{top:66px}
  .header-search-mobile{display:flex !important}
  .brand-name{overflow:hidden}
  .main-nav .brand-name{display:inline-block}
  .quick-anchor-inner{flex-wrap:nowrap;overflow-x:auto;padding-bottom:12px;scrollbar-width:none}
  .quick-anchor-inner::-webkit-scrollbar{display:none}
  .quick-anchor-label{position:sticky;left:0;z-index:1;padding-right:8px}
  .anchor-chip{flex-shrink:0}
  .page-hero h1{font-size:clamp(32px,9vw,44px)}
  .hero-tags{gap:8px}
  .micro-tag{padding:6px 11px;font-size:12px}
  .metric-grid{grid-template-columns:1fr}
  .metric-card{padding:20px}
  .dual-row{gap:24px;margin-bottom:44px}
  .dual-feature li{padding:12px 14px}
  .section{padding:64px 0}
  .path-item{grid-template-columns:52px minmax(0,1fr);gap:4px 14px}
  .path-no{font-size:28px;grid-row:span 2}
  .path-badge{grid-column:2;justify-self:start;margin-top:8px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a-inner{margin:0 16px;padding:14px 0 16px;font-size:14.5px}
  .footer-main{grid-template-columns:1fr;gap:32px}
  .cta-actions{flex-direction:column;align-items:flex-start}
  .cta-round{width:100%}
  .btn-gold{padding:9px 14px}
  .header-actions .btn{font-size:14px}
  .main-nav{background:var(--color-bg)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root {
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-ink: #1C1D21;
  --color-primary: #1F4A44;
  --color-primary-dark: #173B36;
  --color-accent: #B08A47;
  --color-line: #E8E2D8;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(22,24,30,.04), 0 8px 24px rgba(22,24,30,.04);
  --shadow-md: 0 4px 12px rgba(22,24,30,.05), 0 24px 48px rgba(22,24,30,.10);
  --space-section: clamp(72px, 10vw, 128px);
  --container: 1280px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.25;
  font-weight: 600;
  text-wrap: balance;
}

h2 { font-size: clamp(28px, 3.2vw, 44px); }
h3 { font-size: clamp(18px, 1.6vw, 22px); }

p { margin: 0; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

img { display: block; max-width: 100%; }

ul { list-style: none; margin: 0; padding: 0; }

button, input { font: inherit; color: inherit; }
button { background: none; border: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.section { padding: var(--space-section) 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: rgba(247,244,239,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232,226,216,.9);
  transition: background .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled {
  background: rgba(255,255,255,.92);
  box-shadow: 0 6px 24px rgba(22,24,30,.06);
}

.header-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-ink);
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  color: var(--color-primary);
  font-size: 0;
}

.brand-name {
  font-size: 17px;
  letter-spacing: .01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.nav-link,
.main-nav a[href] {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 500;
  color: #34363B;
  border-radius: var(--radius-sm);
  transition: color .2s ease;
}

.nav-link:hover,
.main-nav a[href]:hover {
  color: var(--color-primary);
  background: rgba(31,74,68,.06);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-accent);
}

.main-nav .header-search-mobile {
  display: none;
}

.nav-search {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-search i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #8A8F98;
  font-size: 14px;
  pointer-events: none;
}

.nav-search input {
  height: 38px;
  width: 220px;
  border: 1px solid var(--color-line);
  background: #FFFFFF;
  border-radius: 999px;
  padding: 0 15px 0 40px;
  font-size: 14px;
  color: var(--color-ink);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.nav-search input::placeholder { color: #A2A5AC; }

.nav-search input:hover { border-color: #CCC4B8; }

.nav-search input:focus {
  border-color: var(--color-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(31,74,68,.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-gold {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #1C1D21;
}

.btn-gold:hover {
  background: #8F6F35;
  border-color: #8F6F35;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-lg { height: 52px; padding: 0 30px; font-size: 16px; }

.btn-xl { height: 56px; padding: 0 34px; font-size: 16px; }

.btn-dark {
  background: #1C1D21;
  border-color: #1C1D21;
  color: #FFFFFF;
}

.btn-dark:hover {
  background: #000000;
  border-color: #000000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.header-actions .btn { height: 40px; padding: 0 18px; font-size: 14px; }

.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--color-line);
  background: #FFFFFF;
  color: var(--color-ink);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.mobile-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 7vw, 96px) 0 clamp(40px, 6vw, 80px);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .08;
  pointer-events: none;
}

.category-hero .container { position: relative; z-index: 1; }

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #8A8F98;
  margin-bottom: 22px;
}

.crumb a { color: var(--color-primary); font-weight: 500; }

.crumb a:hover { color: var(--color-accent); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 99px;
  background: var(--color-accent);
}

.category-hero h1 {
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.category-hero h1 span {
  color: var(--color-primary);
}

.hero-lead {
  max-width: 720px;
  margin-top: 22px;
  color: #5A5E66;
  font-size: 17px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--color-line);
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5A5E66;
  font-size: 14px;
}

.hero-trust i {
  color: var(--color-primary);
}

.hero-media {
  position: relative;
}

.photo-frame {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #EAE4DA;
}

.photo-frame::after {
  content: "";
  display: block;
  padding-bottom: 78%;
}

.photo-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s ease;
}

.photo-frame:hover img { transform: scale(1.02); }

.photo-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-primary-dark);
  border: 1px solid rgba(31,74,68,.14);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(22,24,30,.08);
}

.section-head {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-head h2 {
  margin-top: 6px;
}

.section-head p {
  margin-top: 14px;
  color: #5A5E66;
  max-width: 680px;
}

.scope-section {
  padding: var(--space-section) 0;
}

.scope-section .container {
  border-top: 1px solid var(--color-line);
  padding-top: clamp(48px, 6vw, 76px);
}

.anchor-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.chip:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.topic-unit {
  display: grid;
  grid-template-columns: minmax(200px, .34fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(36px, 5vw, 58px) 0;
  border-top: 1px solid var(--color-line);
  scroll-margin-top: 130px;
}

.topic-unit:first-of-type { border-top: none; }

.topic-meta {
  min-width: 0;
}

.topic-kicker {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.topic-meta h3 {
  font-size: clamp(24px, 2.4vw, 34px);
  letter-spacing: -0.01em;
}

.topic-meta > p {
  margin-top: 16px;
  color: #5A5E66;
  font-size: 15px;
}

.qgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  min-width: 0;
}

.qgrid-item {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.qgrid-item:hover {
  border-color: rgba(31,74,68,.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.qgrid-item i {
  color: var(--color-primary);
  font-size: 20px;
}

.qgrid-item strong {
  display: block;
  margin-top: 12px;
  font-size: 16px;
  color: var(--color-ink);
}

.qgrid-item p {
  margin-top: 8px;
  color: #5A5E66;
  font-size: 14px;
  line-height: 1.75;
}

.flow-section {
  padding: 0 0 var(--space-section);
}

.flow-section .process-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1F4A44 0%, #173B36 55%, #102D2A 100%);
  border-radius: 28px;
  padding: clamp(36px, 5.6vw, 72px);
  color: rgba(255,255,255,.9);
  box-shadow: var(--shadow-sm);
}

.flow-section .process-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: right center;
  opacity: .1;
  pointer-events: none;
}

.process-panel > * {
  position: relative;
  z-index: 1;
}

.process-head {
  max-width: 720px;
  margin-bottom: 42px;
}

.process-head .kicker { color: #E0C78D; }

.process-head .kicker::before { background: #E0C78D; }

.process-head h2 { color: #FFFFFF; }

.process-head p {
  margin-top: 16px;
  color: rgba(255,255,255,.72);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 24px;
  min-height: 180px;
  transition: background .25s ease, transform .25s ease, border-color .25s ease;
}

.process-step:hover {
  background: rgba(255,255,255,.13);
  border-color: rgba(176,138,71,.75);
  transform: translateY(-4px);
}

.step-num {
  display: inline-block;
  color: #E0C78D;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
}

.process-step h3 {
  margin-top: 14px;
  color: #FFFFFF;
  font-size: 18px;
}

.process-step p {
  margin-top: 10px;
  color: rgba(255,255,255,.72);
  font-size: 14px;
  line-height: 1.7;
}

.faq-section {
  background: #FFFFFF;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.faq-section .faq-wrap {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  gap: clamp(36px, 5vw, 80px);
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 130px;
}

.faq-intro .kicker::before { background: var(--color-accent); }

.faq-intro h2 {
  font-size: clamp(30px, 3.4vw, 48px);
}

.faq-intro p {
  margin-top: 18px;
  color: #5A5E66;
}

.faq-list {
  min-width: 0;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(22,24,30,.02);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-item:hover {
  border-color: rgba(176,138,71,.55);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  list-style: none;
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 600;
  font-size: 16px;
  color: var(--color-ink);
  transition: color .2s ease;
}

.faq-q::-webkit-details-marker { display: none; }

.faq-q::after {
  content: "+";
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 500;
  transition: transform .22s ease, border-color .22s ease, color .22s ease;
}

.faq-item[open] .faq-q::after {
  content: "–";
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.faq-a {
  padding: 6px 22px 22px;
  color: #5A5E66;
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid #F0EBE3;
  margin: 0 22px 0;
  padding-inline: 0;
  padding-top: 14px;
}

.faq-a.no-border {
  border-top: none;
  margin: 0;
}

.cta-section {
  padding: var(--space-section) 0;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #B08A47 0%, #CAAD74 55%, #E3CEA4 100%);
  border: 1px solid #A7813C;
  border-radius: 28px;
  padding: clamp(36px, 6vw, 68px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-sm);
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: -5%;
  bottom: 0;
  width: 46%;
  height: 100%;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .14;
  pointer-events: none;
}

.cta-copy {
  position: relative;
  z-index: 1;
  max-width: 680px;
  color: #1C1D21;
}

.cta-kicker {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #173B36;
  margin-bottom: 12px;
}

.cta-copy h2 {
  color: #1C1D21;
  letter-spacing: -0.015em;
}

.cta-copy p {
  margin-top: 14px;
  color: #2D2922;
  font-size: 16px;
  max-width: 540px;
}

.cta-panel .btn-wrap {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.site-footer {
  background: #152A26;
  color: rgba(255,255,255,.72);
  padding: clamp(48px, 6vw, 80px) 0 30px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.site-footer a {
  color: rgba(255,255,255,.76);
  transition: color .2s ease, opacity .2s ease;
}

.site-footer a:hover {
  color: #FFFFFF;
}

.footer-main {
  display: grid;
  grid-template-columns: 3fr 2fr 2fr 3fr;
  gap: 40px;
  margin-bottom: 44px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: .02em;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  margin-bottom: 12px;
}

.footer-brand i { color: var(--color-accent); }

.footer-desc {
  color: rgba(255,255,255,.62);
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
}

.footer-nav,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav li a {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}

.footer-nav li a i {
  font-size: 12px;
  margin-top: 5px;
  color: rgba(255,255,255,.42);
}

.footer-nav li a:hover i {
  color: var(--color-accent);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.62);
  line-height: 1.7;
}

.footer-contact i {
  color: var(--color-accent);
  margin-top: 6px;
  font-size: 14px;
}

.footer-copyright {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 26px;
  color: rgba(255,255,255,.5);
  font-size: 13px;
}

.icp-mark {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.icp-mark i {
  font-size: 13px;
  color: rgba(255,255,255,.35);
}

:focus-visible {
  outline: 3px solid rgba(31,74,68,.32);
  outline-offset: 2px;
}

a:focus-visible,
summary:focus-visible,
button:focus-visible,
input:focus-visible {
  border-radius: 8px;
}

@media (max-width: 1099px) {
  .site-header .header-shell { min-height: 68px; }

  .mobile-toggle { display: inline-flex; }

  .header-actions .nav-search { display: none; }

  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    background: #FFFFFF;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: var(--shadow-md);
    margin: 0;
  }

  .main-nav.open { display: flex; }

  .main-nav .header-search-mobile {
    display: flex;
    width: 100%;
    margin-top: 10px;
  }

  .main-nav input[type="search"] { width: 100%; }

  .main-nav .nav-link,
  .main-nav a[href] {
    width: 100%;
    justify-content: flex-start;
    border-radius: 10px;
    padding: 12px 14px;
  }

  .nav-link.active::after { display: none; }

  .nav-link.active { background: rgba(31,74,68,.08); }

  .hero-grid { grid-template-columns: 1fr; }

  .hero-media {
    order: 2;
    opacity: .96;
  }

  .category-hero h1 { font-size: clamp(30px, 5.6vw, 52px); }

  .topic-unit { grid-template-columns: 1fr; gap: 20px; }

  .section-head { margin-bottom: 32px; }

  .process-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .faq-wrap { grid-template-columns: 1fr; }

  .faq-intro { position: static; }

  .cta-panel { flex-direction: column; align-items: flex-start; }

  .footer-main { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
}

@media (max-width: 767px) {
  .header-shell { gap: 8px; }

  .brand-name { font-size: 15px; }

  .header-actions { gap: 8px; }

  .header-actions .btn { height: 38px; padding: 0 14px; font-size: 13px; }

  .btn { padding: 0 18px; }

  .category-hero {
    padding-top: 44px;
    padding-bottom: 32px;
  }

  .hero-cta .btn { width: 100%; }

  .hero-trust { align-items: flex-start; flex-direction: column; gap: 8px; }

  .qgrid { grid-template-columns: 1fr; }

  .anchor-row { gap: 10px; }

  .anchor-row .chip { font-size: 13px; padding: 7px 14px; }

  .process-panel { border-radius: 22px; padding: 28px 22px; }

  .process-steps { grid-template-columns: 1fr; }

  .process-step { min-height: 0; }

  .faq-intro h2 { font-size: 30px; }

  .cta-panel { border-radius: 22px; padding: 30px 22px; }

  .cta-panel .btn-wrap { width: 100%; }

  .cta-panel .btn { width: 100%; }

  .footer-main { grid-template-columns: 1fr; gap: 28px 0; }

  .footer-copyright { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 384px) {
  .brand-mark { display: none; }

  .header-actions .btn { padding: 0 12px; }

  .header-shell { gap: 4px; }
}