/* ============================================================
   万合天逸 · 企业官网用户端样式
   风格：极简高端 / 纯黑基调 / 黑白灰 + 单一金色点缀
   迁移说明：本文件对应 /public/css/style.css
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --bg-0: #000000;          /* 纯黑 */
  --bg-1: #0a0a0a;          /* 主背景 */
  --bg-2: #111111;          /* 卡片背景 */
  --bg-3: #1a1a1a;          /* 卡片 hover */
  --line: rgba(255, 255, 255, 0.08);
  --text-1: #f5f5f5;        /* 主文字 */
  --text-2: #999999;        /* 次文字 */
  --text-3: #555555;        /* 弱文字 */
  --gold: #d9b36c;          /* 唯一点缀色：香槟金 */
  --gold-dim: rgba(217, 179, 108, 0.35);
  --font-en: 'Rajdhani', 'Orbitron', sans-serif;
  --font-num: 'Orbitron', 'Rajdhani', sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-1);
  color: var(--text-1);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--gold); color: #000; }

/* 容器加宽：PC 端各断点同步放大（Bootstrap 默认为 720/960/1140/1320） */
@media (min-width: 992px) { .container { max-width: 1024px; } }
@media (min-width: 1200px) { .container { max-width: 1280px; } }
@media (min-width: 1400px) { .container { max-width: 1400px; } }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: #262626; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ---------- 3. Preloader 加载动画 ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.preloader-logo {
  font-family: var(--font-num); font-size: 3rem; font-weight: 900;
  letter-spacing: .15em; color: var(--text-1);
  animation: preloaderGlow 1.2s ease-in-out infinite alternate;
}
.preloader-logo span { color: var(--gold); }
@keyframes preloaderGlow {
  from { opacity: .35; transform: scale(.97); }
  to { opacity: 1; transform: scale(1); }
}
.preloader-bar {
  width: 220px; height: 1px; background: rgba(255,255,255,.12);
  margin: 22px auto 14px; overflow: hidden;
}
.preloader-bar span {
  display: block; height: 100%; width: 40%;
  background: var(--gold);
  animation: loadingBar 1.1s ease-in-out infinite;
}
@keyframes loadingBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}
.preloader-text {
  font-family: var(--font-en); font-size: .72rem;
  letter-spacing: .45em; color: var(--text-3);
}

/* ---------- 4. 自定义光标（桌面端，强化版） ---------- */
.cursor-dot, .cursor-ring, .cursor-glow {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9998;
  border-radius: 50%; transform: translate(-50%, -50%);
}
.cursor-dot {
  width: 8px; height: 8px; background: #fff; z-index: 9999;
  box-shadow: 0 0 10px rgba(255, 255, 255, .8);
}
.cursor-ring {
  width: 46px; height: 46px;
  border: 1px solid rgba(255, 255, 255, .55);
  transition: width .3s var(--ease), height .3s var(--ease), border-color .3s, background .3s;
}
.cursor-ring.hovering {
  width: 78px; height: 78px;
  border-color: var(--gold);
  background: rgba(217, 179, 108, .07);
}
/* 大面积柔光拖尾，让鼠标轨迹明显可见 */
.cursor-glow {
  width: 520px; height: 520px; z-index: 1;
  background: radial-gradient(circle,
    rgba(217, 179, 108, .13) 0%,
    rgba(255, 255, 255, .05) 30%,
    transparent 68%);
  mix-blend-mode: screen;
}
@media (hover: none), (max-width: 991px) {
  .cursor-dot, .cursor-ring, .cursor-glow { display: none; }
}

/* ---------- 5. 通用组件 ---------- */
.section { padding: 110px 0; position: relative; }
.sec-label {
  font-family: var(--font-en); font-size: .82rem; font-weight: 600;
  letter-spacing: .35em; color: var(--gold);
  display: inline-flex; align-items: center; gap: 12px;
  text-transform: uppercase;
}
.sec-label::before { content: ""; width: 40px; height: 1px; background: var(--gold); }
.sec-title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  margin: 14px 0 10px; letter-spacing: .05em;
}
.sec-desc { color: var(--text-2); max-width: 560px; }
.section-head { margin-bottom: 56px; }

/* 点缀文字：单色金，不用渐变 */
.grad-text { color: var(--gold); }

/* 按钮 */
.btn-glow, .btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px; border-radius: 2px;
  font-weight: 600; letter-spacing: .12em; font-size: .92rem;
  position: relative; overflow: hidden;
  transition: all .4s var(--ease); cursor: pointer; border: none;
}
/* 主按钮：白底黑字，极简对比 */
.btn-glow { background: #f5f5f5; color: #000; }
.btn-glow em { font-style: normal; transition: transform .3s var(--ease); }
.btn-glow:hover { background: var(--gold); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(217, 179, 108, .25); }
.btn-glow:hover em { transform: translateX(6px); }
.btn-glow::after {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.55), transparent);
  transform: skewX(-20deg); transition: left .6s var(--ease);
}
.btn-glow:hover::after { left: 130%; }
/* 次按钮：描边 */
.btn-ghost {
  background: transparent; color: var(--text-1);
  border: 1px solid rgba(255, 255, 255, .28);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }
.btn-lg { padding: 18px 48px; font-size: 1.02rem; }

/* 滚动入场动画 */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .18s; }
.reveal.d3 { transition-delay: .28s; }
.reveal.d4 { transition-delay: .38s; }
.reveal.d5 { transition-delay: .48s; }

/* ---------- 6. 头部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1200;
  padding: 22px 0;
  transition: all .45s var(--ease);
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(0, 0, 0, .75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.navbar-custom { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  font-family: var(--font-num); font-weight: 900; font-size: 1.1rem;
  width: 44px; height: 44px; display: grid; place-items: center;
  background: #f5f5f5; color: #000; border-radius: 6px;
  transition: all .4s var(--ease);
}
.brand:hover .brand-mark { background: var(--gold); transform: rotate(-8deg) scale(1.06); }
.brand-text { font-weight: 700; font-size: 1.15rem; letter-spacing: .12em; line-height: 1.2; }
.brand-text small {
  display: block; font-family: var(--font-en); font-size: .58rem;
  letter-spacing: .32em; color: var(--text-3); font-weight: 600;
}

.nav-menu { display: flex; gap: 38px; margin: 0; }
.nav-link {
  position: relative; font-size: .95rem; font-weight: 500;
  color: var(--text-2); padding: 6px 0; transition: color .3s;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width .35s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text-1); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 16px; }
.btn-nav { padding: 10px 24px; font-size: .85rem; }
/* 导航按钮 hover：不上移，文字变白 */
.btn-nav:hover { transform: none; color: #fff; }

/* 汉堡按钮 */
.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; z-index: 1101;
}
.burger span {
  width: 26px; height: 2px; background: var(--text-1); border-radius: 2px;
  transition: all .35s var(--ease);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--gold); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--gold); }

/* 移动端全屏菜单 */
.mobile-menu {
  position: fixed; inset: 0; z-index: 1100;
  background: rgba(0, 0, 0, .96);
  backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all .45s var(--ease);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu li { text-align: center; margin: 8px 0; }
.m-link {
  display: block; font-size: 1.7rem; font-weight: 700; padding: 10px;
  color: var(--text-1); letter-spacing: .1em;
  opacity: 0; transform: translateY(24px);
  transition: all .5s var(--ease);
}
.mobile-menu.open .m-link { opacity: 1; transform: translateY(0); }
.mobile-menu.open li:nth-child(1) .m-link { transition-delay: .08s; }
.mobile-menu.open li:nth-child(2) .m-link { transition-delay: .16s; }
.mobile-menu.open li:nth-child(3) .m-link { transition-delay: .24s; }
.mobile-menu.open li:nth-child(4) .m-link { transition-delay: .32s; }
.mobile-menu.open li:nth-child(5) .m-link { transition-delay: .4s; }
.m-link small {
  display: block; font-family: var(--font-en); font-size: .7rem;
  letter-spacing: .4em; color: var(--gold); font-weight: 600;
}
/* 有子栏目的父级：本身不跳转（桌面 hover 展开下拉 / 移动端点击展开子菜单） */
.nav-parent { cursor: default; }
button.m-link { background: none; border: none; cursor: pointer; font-family: inherit; width: 100%; }
.m-sub { list-style: none; margin: 0; padding: 0; max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.m-item.open .m-sub { max-height: 340px; }
.m-sub li { margin: 2px 0; }
.m-sublink {
  display: block; font-size: 1.05rem; font-weight: 500; padding: 6px 10px;
  color: var(--text-2); letter-spacing: .12em; transition: color .3s;
}
.m-sublink:hover { color: var(--gold); }

/* ---------- 7. 首屏 Hero（纯黑） ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: #000;
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

/* —— 视频背景模式（后台配置 hero_video 后启用）——
   模板逻辑：data-hero="video" 时渲染 video + overlay，不渲染 canvas/orbs/grid */
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: none;
}
.hero-overlay {
  position: absolute; inset: 0; display: none;
  background: linear-gradient(to bottom, rgba(0,0,0,.6), rgba(0,0,0,.35) 50%, rgba(0,0,0,.8));
}
.hero[data-hero="video"] .hero-video,
.hero[data-hero="video"] .hero-overlay { display: block; }
.hero[data-hero="video"] .hero-canvas,
.hero[data-hero="video"] .hero-orb,
.hero[data-hero="video"] .hero-grid { display: none; }

/* 漂浮微光（极弱，仅增加层次） */
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(100px);
  pointer-events: none;
}
.orb-1 {
  width: 460px; height: 460px; top: -140px; right: -100px;
  background: radial-gradient(circle, rgba(217, 179, 108, .1), transparent 70%);
  animation: orbFloat 10s ease-in-out infinite;
}
.orb-2 {
  width: 420px; height: 420px; bottom: -150px; left: -110px;
  background: radial-gradient(circle, rgba(255, 255, 255, .05), transparent 70%);
  animation: orbFloat 12s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 30px) scale(1.1); }
}

/* 网格线背景 */
.hero-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}

/* 巨型描边背景字 */
.hero-bgtext {
  position: absolute; right: -2%; bottom: 4%;
  font-family: var(--font-num); font-weight: 900;
  font-size: clamp(6rem, 18vw, 16rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .05);
  letter-spacing: .05em; user-select: none; pointer-events: none;
}

.hero-content { position: relative; z-index: 2; padding-top: 80px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: .78rem; font-weight: 600;
  letter-spacing: .3em; color: var(--text-2);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 8px 20px; border-radius: 100px; margin-bottom: 28px;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 0 rgba(217, 179, 108, .55);
  animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(217, 179, 108, .55); }
  100% { box-shadow: 0 0 0 14px rgba(217, 179, 108, 0); }
}

.hero-title { line-height: 1.08; margin-bottom: 22px; }
.hero-title .line { display: block; }
.hero-title .line:first-child {
  font-size: clamp(3rem, 8vw, 6.2rem); font-weight: 900; letter-spacing: .08em;
}
.hero-title .outline {
  font-family: var(--font-num);
  font-size: clamp(1.5rem, 4.2vw, 3.2rem); font-weight: 700;
  letter-spacing: .28em; color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .35);
  margin-top: 12px;
}

.hero-typing {
  font-size: clamp(1.15rem, 2.4vw, 1.6rem); font-weight: 600;
  color: var(--text-1); min-height: 1.8em; margin-bottom: 18px;
  letter-spacing: .06em;
}
.typing-caret { color: var(--gold); font-weight: 300; animation: caretBlink .8s step-end infinite; }
@keyframes caretBlink { 50% { opacity: 0; } }

.hero-desc { color: var(--text-2); font-size: 1.05rem; margin-bottom: 40px; }
.hero-btns { display: flex; gap: 18px; flex-wrap: wrap; }

/* 滚动提示 */
.scroll-hint {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  z-index: 2;
}
.mouse {
  width: 24px; height: 40px; border: 1.5px solid rgba(255, 255, 255, .3);
  border-radius: 14px; display: flex; justify-content: center; padding-top: 7px;
}
.wheel {
  width: 3px; height: 8px; border-radius: 3px; background: var(--gold);
  animation: wheelDrop 1.6s ease-in-out infinite;
}
@keyframes wheelDrop {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}
.scroll-text {
  font-family: var(--font-en); font-size: .65rem;
  letter-spacing: .45em; color: var(--text-3);
}

/* ---------- 8. 核心业务卡片 ---------- */
.business { background: var(--bg-1); }
.biz-card {
  position: relative; height: 100%;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 4px; padding: 40px 30px;
  overflow: hidden;
  transition: transform .5s var(--ease), border-color .5s, background .5s;
  transform-style: preserve-3d;
}
.biz-card:hover { background: var(--bg-3); border-color: rgba(255, 255, 255, .22); transform: translateY(-10px); }
.biz-num {
  position: absolute; top: 20px; right: 24px;
  font-family: var(--font-num); font-size: 2.6rem; font-weight: 900;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .1);
  transition: all .5s var(--ease);
}
.biz-card:hover .biz-num { -webkit-text-stroke-color: var(--gold-dim); }
.biz-icon {
  width: 62px; height: 62px; border-radius: 4px;
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .12);
  display: grid; place-items: center; margin-bottom: 24px;
  transition: all .5s var(--ease);
}
.biz-icon svg { width: 28px; height: 28px; color: var(--text-1); transition: all .5s var(--ease); }
.biz-card:hover .biz-icon { background: var(--gold); border-color: var(--gold); }
.biz-card:hover .biz-icon svg { color: #000; }
.biz-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 2px; }
.biz-card .en {
  font-family: var(--font-en); font-size: .7rem; font-weight: 600;
  letter-spacing: .3em; color: var(--gold); margin-bottom: 14px;
}
.biz-card .txt { color: var(--text-2); font-size: .92rem; margin-bottom: 22px; min-height: 3.4em; }
.biz-link {
  font-size: .88rem; font-weight: 600; color: var(--text-2);
  display: inline-flex; align-items: center; gap: 8px; transition: color .3s;
}
.biz-link span { transition: transform .3s var(--ease); }
.biz-card:hover .biz-link { color: var(--gold); }
.biz-card:hover .biz-link span { transform: translateX(6px); }
/* 卡片角落微光 */
.biz-glow {
  position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 179, 108, .12), transparent 70%);
  top: -70px; right: -70px; opacity: 0; transition: opacity .6s;
  pointer-events: none;
}
.biz-card:hover .biz-glow { opacity: 1; }

/* ---------- 9. 精选案例 ---------- */
.cases { background: var(--bg-0); }
.case-filter { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 42px; }
.filter-btn {
  background: transparent; border: 1px solid var(--line); color: var(--text-2);
  padding: 9px 26px; border-radius: 100px; font-size: .9rem; font-weight: 500;
  cursor: pointer; transition: all .35s var(--ease); letter-spacing: .05em;
}
.filter-btn:hover { border-color: rgba(255, 255, 255, .4); color: var(--text-1); }
.filter-btn.active { background: #f5f5f5; border-color: transparent; color: #000; font-weight: 700; }

.case-card {
  display: block; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 4px; overflow: hidden;
  transition: transform .5s var(--ease), border-color .5s, box-shadow .5s;
}
.case-card:hover {
  transform: scale(1.02);
  border-color: rgba(217, 179, 108, .4);
  box-shadow: 0 24px 50px rgba(0, 0, 0, .6);
}
.case-thumb {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  display: grid; place-items: center;
}
/* 占位封面：黑白灰层次渐变（正式环境替换为真实图片 <img>） */
.ph-1 { background: linear-gradient(135deg, #2e2e2e, #0d0d0d 60%, #1f1f1f); }
.ph-2 { background: linear-gradient(160deg, #1a1a1a, #333 55%, #101010); }
.ph-3 { background: linear-gradient(120deg, #262626, #111 50%, #383838); }
.ph-4 { background: linear-gradient(145deg, #141414, #2c2c2c 60%, #0a0a0a); }
.ph-5 { background: linear-gradient(115deg, #202020, #3a3a3a 55%, #161616); }
.ph-6 { background: linear-gradient(150deg, #101010, #2a2a2a 45%, #404040); }
.case-thumb::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.08), transparent 45%),
    linear-gradient(to top, rgba(0,0,0,.8), transparent 60%);
}
.case-thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.12) 50%, transparent 60%);
  transform: translateX(-100%); transition: transform .8s var(--ease);
}
.case-card:hover .case-thumb::after { transform: translateX(100%); }
.case-cat {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-size: .75rem; font-weight: 600; letter-spacing: .1em;
  background: rgba(0, 0, 0, .6); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.15);
  color: var(--gold); padding: 5px 14px; border-radius: 100px;
}
.case-play {
  position: relative; z-index: 2;
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(0, 0, 0, .5); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  display: grid; place-items: center;
  transition: all .4s var(--ease);
}
.case-play svg { width: 26px; height: 26px; color: #fff; margin-left: 3px; }
.case-card:hover .case-play { background: #f5f5f5; border-color: transparent; transform: scale(1.12); }
.case-card:hover .case-play svg { color: #000; }
.case-info { padding: 24px 26px 26px; }
.case-info h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; transition: color .3s; }
.case-card:hover .case-info h3 { color: var(--gold); }
.case-info p { color: var(--text-3); font-size: .85rem; margin-bottom: 12px; }
.case-more {
  font-size: .82rem; font-weight: 600; color: var(--text-2);
  letter-spacing: .05em; transition: color .3s;
}
.case-card:hover .case-more { color: var(--text-1); }
/* 筛选项显隐动画 */
.case-item { transition: opacity .5s var(--ease), transform .5s var(--ease); }
.case-item.hide { opacity: 0; transform: scale(.9); pointer-events: none; position: absolute; visibility: hidden; }

/* ---------- 10. 数据统计 ---------- */
.stats {
  background: var(--bg-1);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat-item { text-align: center; padding: 20px 10px; position: relative; }
.stat-item::after {
  content: ""; position: absolute; right: 0; top: 20%; height: 60%;
  width: 1px; background: var(--line);
}
.col-lg-3:last-child .stat-item::after { display: none; }
.stat-num {
  font-family: var(--font-num); font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 900; line-height: 1.1; color: #fff;
  margin-bottom: 6px;
}
.stat-num i { font-style: normal; font-size: .55em; margin-left: 4px; color: var(--gold); }
.stat-item p { color: var(--text-2); font-size: .95rem; letter-spacing: .15em; }

/* ---------- 11. 最新资讯 ---------- */
.news { background: var(--bg-1); }
.news-card {
  display: flex; gap: 22px; height: 100%;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 4px; padding: 30px;
  transition: all .5s var(--ease); position: relative; overflow: hidden;
}
.news-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--gold); transform: scaleY(0); transform-origin: top;
  transition: transform .5s var(--ease);
}
.news-card:hover { background: var(--bg-3); border-color: rgba(255, 255, 255, .18); transform: translateY(-8px); }
.news-card:hover::before { transform: scaleY(1); }
.news-date { text-align: center; flex-shrink: 0; }
.news-date b {
  display: block; font-family: var(--font-num); font-size: 2.3rem; font-weight: 900;
  color: #fff; line-height: 1.1;
}
.news-date span { font-family: var(--font-en); font-size: .72rem; letter-spacing: .14em; color: var(--text-3); }
.news-tag {
  display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(217, 179, 108, .3);
  padding: 3px 12px; border-radius: 100px; margin-bottom: 10px;
}
.news-body h3 {
  font-size: 1.08rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px;
  transition: color .3s;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card:hover .news-body h3 { color: var(--gold); }
.news-body p {
  color: var(--text-3); font-size: .86rem; margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more { font-size: .82rem; font-weight: 600; color: var(--text-2); transition: color .3s; }
.news-card:hover .news-more { color: var(--text-1); }

/* ---------- 12. 合作伙伴 ---------- */
.partners { background: var(--bg-0); padding-bottom: 80px; }
.partner-marquee { overflow: hidden; position: relative; }
.partner-marquee::before, .partner-marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 140px; z-index: 2;
  pointer-events: none;
}
.partner-marquee::before { left: 0; background: linear-gradient(to right, var(--bg-0), transparent); }
.partner-marquee::after { right: 0; background: linear-gradient(to left, var(--bg-0), transparent); }
/* Swiper 无缝滚动：wrapper 线性匀速 + slide 宽度自适应，上下留白避免 hover 放大被裁剪 */
.partner-swiper { overflow: visible; padding: 8px 0; }
.partner-swiper .swiper-wrapper { transition-timing-function: linear !important; }
.partner-swiper .swiper-slide { width: auto; height: auto; }
.p-logo {
  display: block; margin-right: 20px;
  font-size: 1.15rem; font-weight: 700; letter-spacing: .12em; color: var(--text-3);
  border: 1px solid var(--line); border-radius: 4px;
  padding: 22px 46px; background: var(--bg-2);
  transition: all .4s var(--ease); cursor: default;
}
.p-logo:hover {
  color: var(--text-1); border-color: rgba(255, 255, 255, .3);
  transform: scale(1.05);
}

/* ---------- 13. CTA 横幅 ---------- */
.cta-banner {
  position: relative; padding: 110px 0; overflow: hidden;
  background: radial-gradient(ellipse 60% 80% at 50% 120%, rgba(217, 179, 108, .08), transparent 65%), var(--bg-1);
  border-top: 1px solid var(--line);
}
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: var(--text-2); margin-bottom: 36px; }

/* ---------- 14. 页脚 ---------- */
.site-footer {
  background: var(--bg-0); border-top: 1px solid var(--line);
  padding: 70px 0 0;
}
.footer-brand { margin-bottom: 20px; display: inline-flex; }
.footer-desc { color: var(--text-3); font-size: .9rem; margin-bottom: 22px; max-width: 320px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 40px; height: 40px; border-radius: 4px;
  border: 1px solid var(--line); display: grid; place-items: center;
  color: var(--text-2); transition: all .35s var(--ease);
}
.social-links a svg { width: 18px; height: 18px; }
.social-links a:hover {
  background: #f5f5f5; border-color: transparent; color: #000;
  transform: translateY(-4px);
}
.footer-title {
  font-size: 1rem; font-weight: 700; margin-bottom: 20px; letter-spacing: .1em;
  position: relative; padding-bottom: 12px;
}
.footer-title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 28px; height: 1px; background: var(--gold);
}
.footer-links li, .footer-contact li { margin-bottom: 12px; }
.footer-links a { color: var(--text-3); font-size: .9rem; transition: all .3s; }
.footer-links a:hover { color: var(--gold); padding-left: 6px; }
.footer-contact li { color: var(--text-3); font-size: .9rem; }
.footer-bottom {
  margin-top: 50px; padding: 22px 0; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  color: var(--text-3); font-size: .82rem;
}

/* ---------- 15. 返回顶部 ---------- */
.back-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 900;
  width: 46px; height: 46px; border-radius: 4px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text-1);
  display: grid; place-items: center; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: all .4s var(--ease);
}
.back-top svg { width: 20px; height: 20px; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: #f5f5f5; color: #000; border-color: transparent; }

/* ---------- 16. 响应式适配 ---------- */
@media (max-width: 1199px) {
  .nav-menu { gap: 26px; }
}
@media (max-width: 991px) {
  .section { padding: 80px 0; }
  .nav-menu, .btn-nav { display: none; }
  .burger { display: flex; }
  .hero-bgtext { font-size: 20vw; }
  .news-card { flex-direction: column; gap: 14px; }
  .news-date { text-align: left; }
  .stat-item::after { display: none; }
}
@media (max-width: 767px) {
  .section { padding: 64px 0; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn-glow, .hero-btns .btn-ghost { justify-content: center; }
  .scroll-hint { display: none; }
  .case-filter { gap: 8px; }
  .filter-btn { padding: 7px 18px; font-size: .82rem; }
  .p-logo { padding: 16px 30px; font-size: .95rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-top { right: 18px; bottom: 18px; }
}
/* 减少动态偏好（无障碍） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}