/* =====================================================
   泓勃浆纸 HONGBO PULP — 中英双语企业官网主题
   风格参照：FIRSTA 越南站 / Yantai 化工站（组件骨架）
   品牌色：泓勃青绿（源自官方海报与宣传片）
   ===================================================== */
:root {
  --color-primary: #0e7a52;
  --color-primary-dark: #0a5c3e;
  --color-primary-ink: #073b28;
  --color-accent: #27ae7c;
  --color-accent-soft: #e6f4ee;
  --color-cta: #f5a623;
  --color-cta-hover: #e09612;
  --color-background: #f5f7f6;
  --color-surface: #ffffff;
  --color-text: #1a2420;
  --color-muted-text: #5b6b64;
  --color-border: #dfe7e3;
  --color-focus: #0b8f5f;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, ui-sans-serif, system-ui, sans-serif;
  --font-display: var(--font-body);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --content-width: 72rem;
  --shadow-card: 0 1px 2px rgba(7, 59, 40, 0.06), 0 6px 18px rgba(7, 59, 40, 0.08);
  --shadow-lift: 0 2px 4px rgba(7, 59, 40, 0.08), 0 14px 30px rgba(7, 59, 40, 0.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
.container { max-width: var(--content-width); margin: 0 auto; padding: 0 1.25rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:is(a, button, input, select, textarea, summary):focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 4px; }
[id] { scroll-margin-top: 5.5rem; }

/* ---------- 顶栏 topbar ---------- */
.topbar { background: var(--color-primary-ink); color: #cfe7dc; font-size: 0.82rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 2.4rem; flex-wrap: wrap; }
.topbar a { color: #cfe7dc; }
.topbar a:hover { color: #fff; }
.topbar-group { display: flex; gap: 1.4rem; align-items: center; flex-wrap: wrap; }
.topbar .tag { color: #8fc4ab; }
.lang-switch { display: inline-flex; gap: 0.35rem; align-items: center; }
.lang-switch a { padding: 0.1rem 0.55rem; border: 1px solid rgba(255,255,255,0.35); border-radius: 999px; font-weight: 600; }
.lang-switch a.active { background: #fff; color: var(--color-primary-ink); border-color: #fff; }

/* ---------- 吸顶页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(7,59,40,0.04);
}
.header-inner { display: flex; align-items: center; gap: 0.9rem; min-height: 5.1rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.brand img { height: 3.8rem; width: auto; }
.brand-sub { font-size: 0.72rem; letter-spacing: 0.14em; color: var(--color-muted-text); text-transform: uppercase; line-height: 1.3; }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 0.05rem; flex-wrap: nowrap; }
.site-nav a {
  display: block; padding: 0.5rem 0.58rem; border-radius: 8px;
  color: var(--color-text); font-weight: 600; font-size: 0.88rem; white-space: nowrap;
}
.site-nav a:hover { background: var(--color-accent-soft); color: var(--color-primary-dark); }
.site-nav a[aria-current="page"] { color: var(--color-primary); background: var(--color-accent-soft); }
.header-cta { flex-shrink: 0; }
.nav-toggle { display: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 0.72rem 1.5rem; border-radius: 999px; font-weight: 700; font-size: 0.98rem;
  border: 2px solid transparent; cursor: pointer; transition: all .18s ease; line-height: 1.2;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }
.btn-cta { background: var(--color-cta); color: #23301f; }
.btn-cta:hover { background: var(--color-cta-hover); color: #23301f; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,0.85); color: #fff; background: rgba(7,59,40,0.18); }
.btn-ghost:hover { background: rgba(255,255,255,0.16); color: #fff; }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-sm { padding: 0.45rem 1.05rem; font-size: 0.85rem; }

/* ---------- 首页视频 Hero ---------- */
.hero-video { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; background: var(--color-primary-ink); }
.hero-video video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
}
.hero-video::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(7,59,40,0.88) 0%, rgba(7,59,40,0.62) 46%, rgba(7,59,40,0.28) 100%);
}
.hero-content { position: relative; z-index: 2; color: #fff; padding: 5.5rem 0; max-width: 46rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 0.86rem;
  letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 1.1rem; color: #ffd58a;
}
.eyebrow::before { content: ""; width: 2.2rem; height: 3px; background: linear-gradient(90deg, var(--color-cta), transparent); border-radius: 2px; }
.hero-content h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.22; font-weight: 800; margin-bottom: 1.1rem; }
.hero-content p { font-size: clamp(1rem, 1.6vw, 1.18rem); color: #e2f0e9; margin-bottom: 2rem; max-width: 40rem; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%); z-index: 2; color: rgba(255,255,255,0.8); font-size: 1.5rem; animation: bob 1.8s infinite; }
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- 内页 Hero（d-hero） ---------- */
.d-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(115deg, var(--color-primary-ink) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  padding: 4.6rem 0 4.2rem;
}
.d-hero::before {
  content: ""; position: absolute; top: 0; right: 0; width: 0; height: 0; z-index: 1;
  border-top: 9rem solid var(--color-accent); border-left: 9rem solid transparent; opacity: 0.9;
}
.d-hero::after {
  content: ""; position: absolute; left: -1.5rem; bottom: -1.5rem; width: 11rem; height: 8rem; z-index: 1;
  border: 2px solid rgba(255,255,255,0.28); border-radius: var(--radius-md); transform: rotate(-6deg);
}
.d-hero .container { position: relative; z-index: 2; }
.d-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 800; margin-bottom: 0.7rem; }
.d-hero .crumb { color: #bfe3d2; font-size: 0.9rem; margin-bottom: 1.2rem; }
.d-hero .crumb a { color: #d9efe4; }
.d-hero p.lead { color: #d8ece2; max-width: 44rem; font-size: 1.02rem; }
.d-hero-actions { display: flex; gap: 0.8rem; margin-top: 1.6rem; flex-wrap: wrap; }
.d-hero-dots { display: flex; gap: 0.5rem; margin-top: 2.2rem; }
.d-hero-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.35); }
.d-hero-dots span:first-child { background: var(--color-cta); }

/* ---------- 数据带 ---------- */
.stats-band { position: relative; z-index: 3; margin-top: -2.6rem; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  background: var(--color-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift); padding: 1.6rem 1rem;
}
.stat { text-align: center; padding: 0.4rem 0.5rem; }
.stat b { display: block; font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 800; color: var(--color-primary); line-height: 1.15; }
.stat span { color: var(--color-muted-text); font-size: 0.9rem; }
.hero-video + .stats-band { margin-top: -3.2rem; }

/* ---------- 区块通用 ---------- */
.section { padding: 4.2rem 0; }
.section.tint { background: var(--color-background); }
.section-head { max-width: 44rem; margin-bottom: 2.4rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.3; margin-bottom: 0.6rem; }
.section-head p { color: var(--color-muted-text); }
.tape-strip {
  display: inline-block; width: 3.2rem; height: 5px; margin-bottom: 0.8rem;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  clip-path: polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%); border-radius: 2px;
}

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 1.3rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-card);
  padding: 1.6rem; transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.card h3 { font-size: 1.12rem; font-weight: 800; margin: 0.7rem 0 0.5rem; }
.card p { color: var(--color-muted-text); font-size: 0.94rem; }
.card .ico {
  width: 3rem; height: 3rem; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--color-accent-soft); color: var(--color-primary); font-size: 1.5rem; font-weight: 800;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.chip {
  font-size: 0.76rem; font-weight: 600; color: var(--color-primary-dark);
  background: var(--color-accent-soft); border-radius: 999px; padding: 0.18rem 0.7rem;
}
.mini-btn {
  display: inline-block; margin-top: 1rem; font-size: 0.85rem; font-weight: 700; color: var(--color-primary);
}
.mini-btn:hover { color: var(--color-cta-hover); }

/* 图文卡 */
.media-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.media-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.media-card .pad { padding: 1.3rem 1.4rem 1.5rem; }
.media-card .meta { color: #9aa8a1; font-size: 0.8rem; }

/* 产品卡 */
.product-card { position: relative; overflow: hidden; }
.product-card .en-name { font-size: 0.78rem; letter-spacing: 0.08em; color: var(--color-accent); text-transform: uppercase; font-weight: 700; }

/* ---------- 分屏（图文） ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; }
.split.rev { direction: rtl; }
.split.rev > * { direction: ltr; }
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lift); aspect-ratio: 16/11; object-fit: cover; width: 100%; }
.split h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; margin-bottom: 0.9rem; }
.split p { color: var(--color-muted-text); margin-bottom: 0.9rem; }
.tick-list { margin: 1rem 0 1.4rem; display: grid; gap: 0.55rem; }
.tick-list li { padding-left: 1.8rem; position: relative; color: var(--color-text); font-weight: 600; font-size: 0.96rem; }
.tick-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0.05rem; width: 1.25rem; height: 1.25rem;
  background: var(--color-accent-soft); color: var(--color-primary); border-radius: 50%;
  font-size: 0.78rem; display: flex; align-items: center; justify-content: center; font-weight: 800;
}

/* ---------- 品牌 / 标签带 ---------- */
.brand-band {
  background: linear-gradient(115deg, var(--color-primary-ink), var(--color-primary-dark));
  color: #fff; border-radius: var(--radius-lg); padding: 2rem 1.8rem; display: grid;
  grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.brand-band .b-item { border-left: 3px solid var(--color-cta); padding-left: 1rem; }
.brand-band b { font-size: 1.2rem; display: block; }
.brand-band span { color: #bfe3d2; font-size: 0.88rem; }

/* ---------- 视频/图块 ---------- */
.media-frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lift); background: #000; }
.media-frame img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.media-frame video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.play-note { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; background: rgba(7,59,40,0.82); color: #fff; font-size: 0.8rem; padding: 0.3rem 0.8rem; border-radius: 999px; }

/* ---------- 深绿报价表单条 ---------- */
.quote-band {
  background: linear-gradient(115deg, var(--color-primary-ink) 0%, var(--color-primary-dark) 60%, var(--color-primary) 100%);
  color: #fff; padding: 3.4rem 0;
}
.quote-band h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 800; margin-bottom: 0.5rem; }
.quote-band .sub { color: #cfe7dc; margin-bottom: 1.8rem; }
.quote-form { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 0.8rem; }
.quote-form input, .quote-form select, .quote-form textarea {
  width: 100%; padding: 0.8rem 1rem; border-radius: 10px; border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1); color: #fff; font-size: 0.95rem; font-family: inherit;
}
.quote-form input::placeholder, .quote-form textarea::placeholder { color: #a8cdbb; }
.quote-form select option { color: var(--color-text); }
.quote-form .btn { align-self: stretch; }
.form-state { margin-top: 0.9rem; font-size: 0.9rem; color: #ffd58a; min-height: 1.3em; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form-grid .full { grid-column: 1 / -1; }
.contact-form-grid textarea { min-height: 8rem; resize: vertical; }
.light-form input, .light-form select, .light-form textarea {
  border: 1px solid var(--color-border); background: #fff; color: var(--color-text);
}
.light-form input::placeholder, .light-form textarea::placeholder { color: #9aa8a1; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--color-primary-ink); color: #b9d6c9; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.2rem; padding: 3.2rem 0 2.2rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 0.9rem; }
.site-footer a { color: #b9d6c9; display: inline-block; padding: 0.14rem 0; }
.site-footer a:hover { color: #fff; }
.site-footer .f-brand img { background: #fff; border-radius: 8px; padding: 0.3rem 0.5rem; height: 3rem; width: auto; margin-bottom: 0.8rem; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,0.14); padding: 1.1rem 0; font-size: 0.8rem; color: #8fb8a4; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------- 新闻 ---------- */
.news-meta { display: flex; gap: 0.9rem; align-items: center; margin-bottom: 0.5rem; }
.news-date { color: var(--color-accent); font-weight: 800; font-size: 0.85rem; }
.news-tag { font-size: 0.75rem; background: var(--color-accent-soft); color: var(--color-primary-dark); padding: 0.12rem 0.65rem; border-radius: 999px; }

/* ---------- 时间轴 / 流程 ---------- */
.timeline { position: relative; display: grid; gap: 1.4rem; padding-left: 1.6rem; }
.timeline::before { content: ""; position: absolute; left: 0.45rem; top: 0.5rem; bottom: 0.5rem; width: 2px; background: var(--color-border); }
.timeline li { position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: -1.6rem; top: 0.45rem; width: 1rem; height: 1rem; border-radius: 50%;
  background: var(--color-surface); border: 3px solid var(--color-primary);
}
.timeline b { display: block; color: var(--color-primary-dark); }
.timeline p { color: var(--color-muted-text); font-size: 0.93rem; }

/* ---------- FAQ ---------- */
details.faq { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 0 1.2rem; margin-bottom: 0.8rem; box-shadow: var(--shadow-card); }
details.faq summary { cursor: pointer; font-weight: 700; padding: 1.05rem 0; list-style: none; position: relative; padding-right: 2rem; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%); color: var(--color-primary); font-size: 1.3rem; }
details.faq[open] summary::after { content: "–"; }
details.faq .faq-body { padding: 0 0 1.1rem; color: var(--color-muted-text); font-size: 0.95rem; }

/* ---------- 联系卡 ---------- */
.contact-card { display: flex; gap: 1rem; align-items: flex-start; }
.contact-card .ico { flex-shrink: 0; }
.contact-card b { display: block; margin-bottom: 0.15rem; }
.contact-card p, .contact-card a { color: var(--color-muted-text); font-size: 0.94rem; word-break: break-all; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-scroll { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 1.8rem; }
  .split.rev { direction: ltr; }
  .quote-form { grid-template-columns: 1fr 1fr; }
  .brand-band { grid-template-columns: 1fr; }
}
@media (max-width: 1120px) {
  .topbar .hide-m { display: none; }
  .brand-sub { display: none; }
  .nav-toggle {
    display: inline-flex; margin-left: auto; flex-direction: column; gap: 5px;
    background: none; border: 0; padding: 0.6rem; cursor: pointer;
  }
  .nav-toggle span { width: 24px; height: 2.5px; background: var(--color-primary-dark); border-radius: 2px; transition: all .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--color-border);
    box-shadow: 0 18px 30px rgba(7,59,40,0.12); max-height: 70vh; overflow: auto;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 0.8rem 1.2rem 1.2rem; }
  .site-nav a { padding: 0.8rem 0.5rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .header-cta { display: none; }
  .hero-video { min-height: 72vh; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-form, .contact-form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 3rem 0; }
  .brand img { height: 2.7rem; }
  .brand-sub { display: none; }
}

/* =====================================================
   首页模块改版（FIRSTA 风格 · 沿用品牌青绿色板）
   fa-banner / fa-about / fa-apps
   ===================================================== */

/* ---------- 通栏 Banner ---------- */
.fa-banner { position: relative; overflow: hidden; display: flex; align-items: center; min-height: clamp(26rem, 58vh, 34rem); background: var(--color-primary-ink); }
.fa-banner-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.fa-banner-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(7,59,40,0.93) 0%, rgba(7,59,40,0.78) 42%, rgba(14,122,82,0.38) 100%);
}
.fa-banner-overlay::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1.5px, transparent 1.6px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(100deg, transparent 34%, rgba(0,0,0,0.75) 100%);
  mask-image: linear-gradient(100deg, transparent 34%, rgba(0,0,0,0.75) 100%);
}
.fa-banner-overlay::after {
  content: ""; position: absolute; right: -6%; top: -22%; width: 34rem; height: 34rem; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.14);
  box-shadow: 0 0 0 5rem rgba(39,174,124,0.05) inset;
}
.fa-banner-inner { position: relative; z-index: 2; width: 100%; padding: 4.2rem 1.25rem; display: flex; align-items: flex-end; justify-content: space-between; gap: 2.5rem; }
.fa-banner-tag {
  display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 0.84rem;
  letter-spacing: 0.24em; text-transform: uppercase; margin-bottom: 1rem; color: #ffd58a;
}
.fa-banner-tag::before { content: ""; width: 2.2rem; height: 3px; background: linear-gradient(90deg, var(--color-cta), transparent); border-radius: 2px; }
.fa-banner-copy h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.22; font-weight: 800; margin-bottom: 0.9rem; }
.fa-banner-sub { color: #d9ece3; font-size: clamp(0.98rem, 1.5vw, 1.12rem); max-width: 38rem; }
.fa-banner-badge {
  display: flex; gap: 0; flex-shrink: 0;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-lg); backdrop-filter: blur(8px); overflow: hidden;
}
.fa-badge-item { padding: 1.1rem 1.5rem; min-width: 9.5rem; }
.fa-badge-item + .fa-badge-item { border-left: 1px solid rgba(255,255,255,0.18); }
.fa-badge-item b { display: block; font-size: clamp(1.5rem, 2.4vw, 1.9rem); font-weight: 800; color: #fff; line-height: 1.2; }
.fa-badge-item span { display: block; color: #bcdccb; font-size: 0.78rem; line-height: 1.45; margin-top: 0.2rem; max-width: 9rem; }

/* ---------- 企业简介 ---------- */
.fa-about { position: relative; background: var(--color-surface); overflow: hidden; }
.fa-about::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(14,122,82,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(14,122,82,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 70% 30%, rgba(0,0,0,0.9), transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 70% 30%, rgba(0,0,0,0.9), transparent 75%);
}
.fa-about .container { position: relative; z-index: 1; }
.fa-about-top { display: grid; grid-template-columns: minmax(12rem, 0.55fr) 1.45fr; gap: 3rem; align-items: start; }
.fa-about-motto { display: grid; gap: 1.2rem; padding-top: 0.4rem; }
.fa-about-motto span {
  font-size: clamp(1.35rem, 2vw, 1.7rem); font-weight: 800; line-height: 1.4;
  color: var(--color-primary-dark); letter-spacing: 0.02em;
  padding-left: 1rem; border-left: 4px solid var(--color-accent);
}
.fa-about-text { position: relative; padding-top: 0.6rem; }
.fa-wordmark {
  position: absolute; top: -1.4rem; right: -0.5rem; z-index: 0;
  font-size: clamp(3.4rem, 7vw, 5.6rem); font-weight: 900; letter-spacing: 0.06em;
  color: rgba(14,122,82,0.07); line-height: 1; user-select: none; pointer-events: none;
}
.fa-about-text h2 { position: relative; z-index: 1; font-size: clamp(1.6rem, 2.8vw, 2.15rem); font-weight: 800; margin-bottom: 1rem; }
.fa-about-text p { position: relative; z-index: 1; color: var(--color-muted-text); margin-bottom: 0.9rem; max-width: 42rem; }
.fa-about-stats {
  margin-top: 3rem; padding-top: 2.2rem; border-top: 1px solid var(--color-border);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.fa-stat { text-align: center; }
.fa-stat b { display: block; font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 800; color: var(--color-primary); line-height: 1.15; }
.fa-stat span { color: var(--color-muted-text); font-size: 0.9rem; }

/* ---------- 行业应用 ---------- */
.fa-app-hero { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lift); margin-bottom: 1.6rem; }
.fa-app-hero img { width: 100%; aspect-ratio: 21/7; object-fit: cover; display: block; }
.fa-app-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(95deg, rgba(7,59,40,0.86) 0%, rgba(7,59,40,0.45) 55%, rgba(14,122,82,0.18) 100%);
}
.fa-app-hero-copy { position: absolute; left: clamp(1.2rem, 4vw, 3rem); bottom: clamp(1.2rem, 3.5vw, 2.6rem); z-index: 2; color: #fff; max-width: 34rem; }
.fa-app-hero-copy h3 { font-size: clamp(1.25rem, 2.4vw, 1.8rem); font-weight: 800; margin-bottom: 0.4rem; }
.fa-app-hero-copy p { color: #d9ece3; font-size: 0.98rem; }
.fa-app-grid { margin-top: 1.6rem; }
.fa-app-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.fa-app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: rgba(14,122,82,0.35); }
.fa-app-card svg {
  width: 3rem; height: 3rem; fill: none; stroke: var(--color-primary); stroke-width: 2.2;
  stroke-linecap: round; stroke-linejoin: round; margin-bottom: 0.9rem;
}
.fa-app-card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: 0.45rem; }
.fa-app-card p { color: var(--color-muted-text); font-size: 0.92rem; }

/* ---------- 改版模块响应式 ---------- */
@media (max-width: 1024px) {
  .fa-banner-inner { flex-direction: column; align-items: flex-start; gap: 1.6rem; }
  .fa-banner-badge { align-self: stretch; justify-content: space-between; }
  .fa-badge-item { min-width: 0; flex: 1; }
  .fa-about-top { grid-template-columns: 1fr; gap: 1.6rem; }
  .fa-about-motto { grid-auto-flow: column; grid-auto-columns: 1fr; gap: 1rem; }
}
@media (max-width: 560px) {
  .fa-banner { min-height: 0; }
  .fa-banner-inner { padding: 3.4rem 1.25rem; }
  .fa-banner-badge { flex-direction: column; }
  .fa-badge-item { display: flex; align-items: baseline; gap: 0.8rem; }
  .fa-badge-item + .fa-badge-item { border-left: 0; border-top: 1px solid rgba(255,255,255,0.18); }
  .fa-badge-item span { max-width: none; }
  .fa-about-motto { grid-auto-flow: row; }
  .fa-wordmark { position: static; display: block; margin-bottom: 0.4rem; }
  .fa-app-hero img { aspect-ratio: 16/10; }
  .fa-about-stats { grid-template-columns: repeat(2, 1fr); gap: 1.4rem 0.6rem; }
}

/* ---------- 全站内容保护 ---------- */
body { -webkit-user-select: none; -moz-user-select: none; user-select: none; -webkit-touch-callout: none; }
input, textarea, select { -webkit-user-select: text; -moz-user-select: text; user-select: text; }