/* ============================================================
   ARICH 安瑞视智能 — 官网改版 · 深色科技风
   Design tokens 同步自画布设计稿
   ============================================================ */
:root {
  --bg: #050A16;
  --bg-deep: #03060D;
  --bg-alt: #08101F;
  --card: #0A1322;
  --card-2: #0B1424;
  --panel: #0F1E33;
  --panel-hi: #132B47;
  --img-bg: #0E1A2E;
  --logo-bg: #0B1626;
  --accent: #2EA7FF;
  --accent-2: #35C8FF;
  --teal: #13DDC4;
  --purple: #9381FF;
  --ice: #9FE6FF;
  --btn-ink: #04101F;
  --t-100: rgba(255, 255, 255, 1);
  --t-85: rgba(255, 255, 255, .85);
  --t-76: rgba(255, 255, 255, .76);
  --t-72: rgba(255, 255, 255, .72);
  --t-65: rgba(255, 255, 255, .65);
  --t-60: rgba(255, 255, 255, .6);
  --t-55: rgba(255, 255, 255, .55);
  --t-54: rgba(255, 255, 255, .54);
  --t-50: rgba(255, 255, 255, .5);
  --t-45: rgba(255, 255, 255, .45);
  --line: rgba(255, 255, 255, .08);
  --line-soft: rgba(255, 255, 255, .12);
  --w-7: rgba(255, 255, 255, .07);
  --w-6: rgba(255, 255, 255, .06);
  --w-12: rgba(255, 255, 255, .12);
  --font-cn: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --font-brand: 'Chakra Petch', 'JetBrains Mono', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--t-100);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: rgba(46, 167, 255, .35); }
html[data-theme="light"] ::selection { background: rgba(15, 143, 110, .28); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: #16283F; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #1F3A5C; }

.wrap { width: min(1640px, calc(100% - 80px)); margin: 0 auto; }
.mono { font-family: var(--font-mono); }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }

/* ---------- TopBar ---------- */
.topbar {
  height: 46px; background: var(--bg-deep);
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-inner { width: min(1640px, calc(100% - 80px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.tb-left { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--t-65); }
.tb-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.tb-right { display: flex; align-items: center; gap: 26px; font-family: var(--font-mono); font-size: 13px; color: var(--t-65); }
.tb-right .mail { color: var(--accent-2); }
.tb-right a:hover { color: var(--ice); }

/* ---------- Header ---------- */
.header {
  height: 86px; background: var(--bg);
  display: flex; align-items: center; position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
.header.scrolled { background: rgba(5, 10, 22, .88); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.header-inner { width: min(1640px, calc(100% - 80px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 13px; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px; background: var(--logo-bg);
  border: 1px solid rgba(46, 167, 255, .25); display: flex; align-items: center; justify-content: center;
}
.logo-mark svg { width: 23px; height: 15px; }
.brand-text { display: flex; flex-direction: column; gap: 1px; line-height: 1.15; }
.brand-en { font-family: var(--font-brand); font-weight: 700; font-size: 21px; letter-spacing: 1px; color: #fff; }
.brand-cn {
  font-family: var(--font-cn);
  font-size: 22px; font-weight: 600; color: var(--t-100);
  letter-spacing: 4px; line-height: 1; transform: translateY(1px);
}
/* —— 品牌 logo：立体感 —— */
.brand-logo {
  height: 44px; width: auto; display: block;
  /* 多层投影模拟悬浮厚度 + 顶缘高光 */
  filter:
    drop-shadow(0 1px 0 rgba(255,255,255,.22))   /* 上缘高光 */
    drop-shadow(0 2px 2px rgba(0,0,0,.55))        /* 近距硬影（厚度） */
    drop-shadow(0 5px 10px rgba(0,0,0,.38))       /* 中距柔影 */
    drop-shadow(0 10px 26px rgba(46,167,255,.22));/* 远距青蓝辉光 */
  transform: perspective(700px) rotateX(6deg);    /* 轻微仰角增强立体 */
  transform-origin: 50% 100%;
  transition: transform .5s cubic-bezier(.22,.9,.3,1), filter .5s;
}
.brand-logo:hover {
  transform: perspective(700px) rotateX(0deg) translateY(-2px) scale(1.03);
  filter:
    drop-shadow(0 1px 0 rgba(255,255,255,.28))
    drop-shadow(0 3px 3px rgba(0,0,0,.5))
    drop-shadow(0 8px 16px rgba(0,0,0,.34))
    drop-shadow(0 14px 34px rgba(46,167,255,.32));
}
/* 主题切换：深色用白字版，浅色用原彩版 */
.brand-logo--light { display: none; }
html[data-theme="light"] .brand-logo--dark { display: none; }
html[data-theme="light"] .brand-logo--light { display: block; }
html[data-theme="light"] .brand-logo {
  filter:
    drop-shadow(0 1px 0 rgba(255,255,255,.9))
    drop-shadow(0 2px 2px rgba(18,36,27,.18))
    drop-shadow(0 5px 10px rgba(18,36,27,.14));
}
.brand-divider { width: 1px; height: 24px; background: rgba(255,255,255,.16); flex: none; }
.brand-logo--footer {
  height: 36px;
  transform: none;
  filter: drop-shadow(0 2px 3px rgba(0,0,0,.45)) drop-shadow(0 6px 16px rgba(0,0,0,.3));
}
html[data-theme="light"] .brand-logo--footer { filter: drop-shadow(0 2px 3px rgba(18,36,27,.16)); }
.nav { display: flex; gap: 10px; }
.nav a {
  font-size: 15px; font-weight: 500; color: var(--t-72);
  position: relative; padding: 8px 15px; border-radius: 8px;
  /* 水位填充：颜色从底部升起倒满 */
  background: linear-gradient(180deg, #1D6FE0 0%, #2EA7FF 46%, #13DDC4 100%) no-repeat bottom / 100% 0%;
  transition: color .3s, background-size .5s cubic-bezier(.25, .9, .3, 1), box-shadow .35s, transform .25s;
}
.nav a:hover {
  color: #fff;
  background-size: 100% 100%;
  box-shadow: 0 6px 22px rgba(46, 167, 255, .40), inset 0 0 0 1px rgba(126, 224, 255, .40);
  transform: translateY(-1px);
}
.nav a.active { color: var(--accent-2); background-color: rgba(46, 167, 255, .10); }
.nav a.active::after {
  content: ''; position: absolute; left: 50%; transform: translateX(-50%); bottom: 2px;
  width: 18px; height: 2px; border-radius: 2px; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2);
}
/* 导航礼花粒子画布 */
.spark-canvas {
  position: fixed; inset: 0; z-index: 200;
  pointer-events: none;
}
.header-right { display: flex; align-items: center; gap: 20px; }
.search-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-soft); background: var(--w-6);
  color: var(--t-72); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .25s, border-color .25s, background .25s, transform .25s;
}
.search-btn:hover { color: var(--ice); border-color: rgba(46, 167, 255, .5); transform: translateY(-1px); }
.search-btn svg { width: 17px; height: 17px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; cursor: pointer; border-radius: 8px; font-family: var(--font-cn);
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}
.btn-primary { background: var(--accent); color: var(--btn-ink); font-weight: 600; }
.btn-primary:hover { background: #4DB5FF; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(46, 167, 255, .35); }
.btn-ghost { background: var(--w-7); color: var(--t-85); font-weight: 500; border: 1px solid var(--line-soft); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .25); transform: translateY(-2px); }
.btn-sm { padding: 12px 26px; font-size: 15px; }
.btn-lg { padding: 17px 36px; font-size: 16px; }

/* ---------- Hero ---------- */
.hero { position: relative; height: 940px; overflow: hidden; background: var(--bg); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.glow { position: absolute; border-radius: 50%; filter: blur(10px); will-change: opacity, transform; }
.glow-cyan { width: 1380px; height: 1380px; left: 8%; top: -620px; background: radial-gradient(circle, rgba(53, 200, 255, .16) 0%, rgba(53, 200, 255, .05) 38%, transparent 68%); animation: pulse 7s ease-in-out infinite; }
.glow-purple { width: 1360px; height: 1320px; right: -420px; top: -360px; background: radial-gradient(circle, rgba(147, 129, 255, .15) 0%, rgba(147, 129, 255, .04) 40%, transparent 70%); animation: pulse 9s ease-in-out 1.2s infinite; }
.glow-teal { width: 1080px; height: 900px; left: -280px; bottom: -420px; background: radial-gradient(circle, rgba(19, 221, 196, .10) 0%, transparent 62%); animation: pulse 8s ease-in-out .6s infinite; }
@keyframes pulse { 0%,100% { opacity: .75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
.hero-grid { position: absolute; inset: 0; opacity: .5; }
.hero-grid line { stroke: rgba(53, 200, 255, .06); stroke-width: 1; }
.hero-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-fade { position: absolute; left: 0; right: 0; bottom: 0; height: 300px; background: linear-gradient(to bottom, transparent, var(--bg)); }

/* 关于页首屏：视频墙背景（半透明） */
.hero-wall { position: absolute; inset: 0; background: url(../img/about/hero-wall.jpg) center/cover no-repeat; opacity: .34; }
html[data-theme="light"] .hero-wall { opacity: .26; }
/* 首页：深浅模式各用一张按主题调色的底图，与主体色融合 */
.hero-wall--home { background-image: url(../img/hero/hero-home.jpg); opacity: .40; }
html[data-theme="light"] .hero-wall--home { background-image: url(../img/hero/hero-home-light.jpg); opacity: .34; }
/* 浅色模式：首页指标行数字用黑，4:4:4 用深红 */
html[data-theme="light"] .metric .value { color: var(--t-100); }
html[data-theme="light"] .metric .value.accent { color: #A31515; }
.ring { fill: none; stroke: rgba(53, 200, 255, .16); stroke-width: 1; transform-origin: center; }
.ring-anim { animation: ringGrow 6s linear infinite; }
@keyframes ringGrow { 0% { transform: scale(.55); opacity: 0; } 18% { opacity: .8; } 100% { transform: scale(1.18); opacity: 0; } }
.wave-bar { fill: url(#waveGrad); }
@keyframes waveMove { 0%,100% { transform: scaleY(1); } 50% { transform: scaleY(var(--amp, 2)); } }
.hero-node { filter: drop-shadow(0 0 6px rgba(53, 200, 255, .9)); animation: nodeBlink 3s ease-in-out infinite; }
@keyframes nodeBlink { 0%,100% { opacity: .95; } 50% { opacity: .35; } }

.hero-content { position: relative; z-index: 2; padding-top: 172px; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 10px; padding: 9px 20px; border-radius: 999px;
  background: rgba(53, 200, 255, .10); border: 1px solid rgba(53, 200, 255, .28);
  font-family: var(--font-mono); font-size: 14px; color: var(--ice);
}
.chip-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px var(--teal); animation: blink 2s infinite; }
.hero h1 { margin-top: 26px; font-size: 66px; font-weight: 700; line-height: 1.22; letter-spacing: .5px; }
.hero h1 .accent { color: var(--accent-2); text-shadow: 0 0 32px rgba(53, 200, 255, .45); }
.hero-sub { margin-top: 22px; max-width: 1060px; font-size: 18px; color: var(--t-65); }
.hero-cta { margin-top: 38px; display: flex; gap: 18px; }
.hero-divider { margin-top: 64px; height: 1px; background: var(--line-soft); }
.hero-metrics { margin-top: 44px; display: flex; }
.metric { flex: 1; }
.metric + .metric { border-left: 1px solid var(--line); padding-left: 44px; margin-left: 44px; }
.metric .value { font-family: var(--font-mono); font-weight: 700; font-size: 34px; color: #fff; }
.metric .value.accent { color: var(--accent-2); }
.metric .label { margin-top: 9px; font-size: 13px; color: var(--t-54); }

/* ---------- 行业覆盖条 ---------- */
.industries { background: var(--bg-deep); padding: 30px 0; }
.industries-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.trust-label { display: flex; align-items: baseline; gap: 12px; }
.trust-label .en { font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 2px; color: var(--accent-2); }
.trust-label .cn { font-size: 14px; color: var(--t-54); }
.ind-chips { display: flex; gap: 12px; flex-wrap: wrap; }
.ind-chip { padding: 9px 18px; border-radius: 6px; background: var(--w-6); border: 1px solid transparent; font-size: 14px; color: var(--t-76); transition: all .25s; cursor: default; }
.ind-chip:hover { background: rgba(53, 200, 255, .1); border-color: rgba(53, 200, 255, .35); color: var(--ice); transform: translateY(-2px); }

/* ---------- Section 通用 ---------- */
.section { padding: 104px 0; }
.section.alt { background: var(--bg-alt); }
.sec-header { margin-bottom: 52px; }
.sec-header.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.kicker { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 3px; color: var(--accent-2); }
.kicker::before { content: ''; width: 26px; height: 2px; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.sec-header h2 { margin-top: 16px; font-size: 42px; font-weight: 700; }
.sec-header .sub { margin-top: 14px; max-width: 900px; font-size: 16px; color: var(--t-60); }
.sec-link { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; color: var(--accent-2); white-space: nowrap; transition: gap .25s, color .25s; }
.sec-link:hover { gap: 16px; color: var(--ice); }

/* ---------- 产品族类卡 ---------- */
.family-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.family-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 30px 26px; height: 320px; display: flex; flex-direction: column; position: relative;
  transition: transform .3s, border-color .3s, box-shadow .3s; cursor: pointer; overflow: hidden;
}
.family-card::before {
  content: ''; position: absolute; inset: 0; border-radius: 12px; opacity: 0; transition: opacity .3s;
  background: linear-gradient(160deg, rgba(53, 200, 255, .08), transparent 55%);
}
.family-card:hover { transform: translateY(-6px); border-color: rgba(53, 200, 255, .4); box-shadow: 0 18px 44px rgba(0, 0, 0, .45); }
.family-card:hover::before { opacity: 1; }
.family-card .icon { height: 44px; display: flex; align-items: center; color: var(--accent-2); }
.family-card .icon svg { height: 34px; width: auto; }
.family-card .count { margin-top: 20px; font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 1px; color: var(--accent-2); }
.family-card .name { margin-top: 8px; font-size: 21px; font-weight: 600; }
.family-card .series { margin-top: 10px; font-size: 13px; line-height: 1.75; color: var(--t-54); }
.family-card .go {
  margin-top: auto; display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; color: var(--t-45); transition: color .25s, gap .25s;
}
.family-card:hover .go { color: var(--accent-2); gap: 10px; }

/* ---------- 首页·行业解决方案 ---------- */
.ind-block {
  display: grid; grid-template-columns: 640px 1fr; gap: 56px; align-items: center;
  background: var(--card-2); border: 1px solid var(--line); border-radius: 16px; padding: 46px;
}
.ind-block + .ind-block { margin-top: 40px; }
.ind-block.flip { grid-template-columns: 1fr 640px; }
.ind-block.flip .topo { order: 2; }
.ind-block.flip .text { order: 1; }
.topo { width: 640px; height: 400px; border-radius: 12px; background: var(--img-bg); border: 1px solid var(--line); position: relative; overflow: hidden; }
.topo svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.topo .t-label { position: absolute; font-size: 15px; color: #FFFFFF; }
.topo .t-label.hi { color: #FFFFFF; font-weight: 500; }
.topo .t-node { position: absolute; font-family: var(--font-mono); font-weight: 500; font-size: 12px; color: var(--ice); }
.topo .t-mono { position: absolute; font-family: var(--font-mono); font-size: 13px; color: rgba(255, 255, 255, .92); }
.topo svg text { fill: currentColor; }
html[data-theme="light"] .topo .t-label { color: var(--t-85); }
html[data-theme="light"] .topo .t-mono { color: var(--t-50); }
.topo rect.box { fill: var(--panel); stroke: rgba(53, 200, 255, .14); stroke-width: 1; rx: 8; }
.topo rect.box-hi { fill: var(--panel-hi); stroke: rgba(53, 200, 255, .45); stroke-width: 1; }
.topo .link { stroke: rgba(53, 200, 255, .35); stroke-width: 1.4; fill: none; }
.topo .pulse-dot { fill: var(--accent-2); filter: drop-shadow(0 0 5px rgba(53, 200, 255, .9)); }
.ind-block .index { font-family: var(--font-mono); font-weight: 500; font-size: 13px; color: var(--accent-2); letter-spacing: 2px; }
.ind-block h3 { margin-top: 12px; font-size: 30px; font-weight: 600; }
.ind-block .desc { margin-top: 14px; font-size: 16px; color: var(--t-65); }
.ind-block .bullets { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.ind-block .bullets li { list-style: none; font-size: 15px; color: var(--t-76); padding-left: 4px; }
.ind-block .tags { margin-top: 18px; font-family: var(--font-mono); font-size: 13px; color: var(--accent-2); }

.other-grid { margin-top: 26px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.other-head { font-size: 22px; font-weight: 600; margin-top: 64px; }
.other-card { background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 24px 22px; transition: transform .25s, border-color .25s; }
.other-card:hover { transform: translateY(-4px); border-color: rgba(53, 200, 255, .35); }
.other-card .name { font-size: 17px; font-weight: 500; }
.other-card .desc { margin-top: 8px; font-size: 13px; color: var(--t-50); }

/* ---------- 优势 / 实力 / 步骤卡 ---------- */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.adv-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 34px 30px; transition: transform .3s, border-color .3s; }
.adv-card:hover { transform: translateY(-6px); border-color: rgba(53, 200, 255, .35); }
.adv-card .icon { height: 44px; color: var(--accent-2); display: flex; align-items: center; }
.adv-card .icon svg { height: 36px; width: auto; }
.adv-card h3 { margin-top: 18px; font-size: 20px; font-weight: 600; }
.adv-card p { margin-top: 12px; font-size: 15px; color: var(--t-60); }
.idx-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 28px 26px; transition: transform .3s, border-color .3s; }
.idx-card:hover { transform: translateY(-6px); border-color: rgba(53, 200, 255, .35); }
.idx-card .index { font-family: var(--font-mono); font-weight: 500; font-size: 13px; color: var(--accent-2); }
.idx-card h3 { margin-top: 10px; font-size: 19px; font-weight: 600; }
.idx-card p { margin-top: 10px; font-size: 14px; color: var(--t-60); }
.idx-card.big h3 { font-size: 22px; }
.idx-card.big p { font-size: 15px; }

/* 关注我们 · 公众号 / LinkedIn 二维码 */
.qr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 1080px; margin: 0 auto; }
.qr-card {
  display: flex; align-items: center; gap: 24px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px 26px; transition: transform .3s, border-color .3s, box-shadow .3s;
}
.qr-card:hover { transform: translateY(-5px); border-color: rgba(53, 200, 255, .35); }
.qr-img { flex: none; width: 150px; height: 150px; border-radius: 10px; overflow: hidden; background: #fff; border: 1px solid var(--line-soft); }
.qr-img img { width: 100%; height: 100%; object-fit: cover; }
.qr-txt { min-width: 0; }
.qr-tag { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 2.5px; color: var(--accent-2); }
.qr-txt h3 { margin-top: 8px; font-size: 20px; font-weight: 600; }
.qr-txt p { margin-top: 8px; font-size: 14px; color: var(--t-60); line-height: 1.7; }
.qr-hint { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; color: var(--t-72); border: 1px solid var(--line-soft); border-radius: 999px; padding: 5px 13px; }
.qr-hint i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 7px var(--teal); }
@media (max-width: 900px) { .qr-grid { grid-template-columns: 1fr; } .qr-img { width: 128px; height: 128px; } }

/* 技术支持：四项服务卡（参考图样式，居中图标卡） */
.sup-card { text-align: center; padding: 40px 30px 36px; }
.sup-card .ico { width: 58px; height: 58px; border-radius: 50%; background: rgba(53, 200, 255, .10); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.sup-card .ico svg { width: 26px; height: 26px; stroke: var(--accent-2); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.sup-card h3 { font-size: 18px; margin-bottom: 10px; }
.sup-card p { font-size: 14px; color: var(--t-60); line-height: 1.75; margin: 0; }
.sup-card.hl { border-color: rgba(19, 221, 196, .45); background: linear-gradient(180deg, rgba(19, 221, 196, .07), rgba(19, 221, 196, .02)); }

/* 下载中心列表 */
.dl-list { max-width: 1080px; margin: 0 auto; }
.dl-row {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px; margin-bottom: 10px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  transition: border-color .25s, transform .25s, background .25s;
}
.dl-row:hover { border-color: rgba(53, 200, 255, .38); transform: translateY(-1px); }
.dl-type {
  flex: 0 0 auto; min-width: 74px; text-align: center;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em;
  color: var(--accent-2); border: 1px solid rgba(53, 200, 255, .3);
  border-radius: 4px; padding: 4px 8px;
}
.dl-name { flex: 1 1 auto; min-width: 0; }
.dl-name b { display: block; font-size: 15px; font-weight: 600; color: var(--t-100); }
.dl-name span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--t-50); }
.dl-act { flex: 0 0 auto; font-size: 13px; color: var(--accent-2); white-space: nowrap; }
.dl-act:hover { color: var(--teal); }

/* 常见问题手风琴 */
.faq { max-width: 1000px; margin: 0 auto; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 10px; overflow: hidden; transition: border-color .25s;
}
.faq details[open] { border-color: rgba(53, 200, 255, .30); }
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 18px 54px 18px 22px; font-size: 15.5px; font-weight: 600; color: var(--t-85);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 18px; color: var(--accent-2); line-height: 1;
}
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 22px 20px; font-size: 14px; line-height: 1.8; color: var(--t-60); }
.faq .a p { margin: 0; }

/* 技术支持三栏 */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 1080px; margin: 0 auto; }
.tech-cell {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 24px; text-align: center;
}
.tech-cell .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--accent-2); }
.tech-cell b { display: block; margin: 12px 0 8px; font-size: 17px; color: var(--t-100); }
.tech-cell b a { color: inherit; }
.tech-cell p { margin: 0; font-size: 13px; color: var(--t-55); line-height: 1.7; }
@media (max-width: 900px) {
  .tech-grid { grid-template-columns: 1fr; }
  .dl-row { flex-wrap: wrap; gap: 10px 14px; }
  .dl-name { flex: 1 1 100%; order: 2; }
  .dl-act { margin-left: auto; }
}

/* 公司位置地图 */
.map-card {
  position: relative; max-width: 1248px; margin: 0 auto;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); background: var(--card);
}
.map-card img { display: block; width: 100%; height: auto; }
.map-link {
  position: absolute; right: 16px; bottom: 16px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px;
  background: rgba(7, 13, 32, .88); backdrop-filter: blur(6px);
  border: 1px solid rgba(53, 200, 255, .35);
  color: #fff; font-size: 13.5px; text-decoration: none;
  transition: border-color .25s, transform .25s;
}
.map-link i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.map-link:hover { border-color: rgba(53, 200, 255, .7); transform: translateY(-2px); color: #fff; }
html[data-theme="light"] .map-link { background: rgba(255, 255, 255, .92); color: var(--t-85); }
@media (max-width: 760px) { .map-link { right: 10px; bottom: 10px; padding: 7px 13px; font-size: 12.5px; } }

.cert-strip {
  margin-top: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 28px; display: flex; align-items: center; gap: 20px;
}
.cert-strip .label { font-size: 15px; font-weight: 500; white-space: nowrap; }
.cert-strip .list { font-family: var(--font-mono); font-size: 14px; color: var(--ice); }

/* ---------- 精选产品卡 ---------- */
.prod-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.prod-card {
  background: var(--card-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px; min-height: 236px; display: flex; flex-direction: column;
  transition: transform .3s, border-color .3s, box-shadow .3s; position: relative; overflow: hidden;
}
.prod-card::after {
  content: ''; position: absolute; left: 26px; right: 26px; bottom: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--teal)); opacity: 0; transition: opacity .3s;
}
.prod-card:hover { transform: translateY(-6px); border-color: rgba(53, 200, 255, .4); box-shadow: 0 16px 40px rgba(0, 0, 0, .4); }
.prod-card:hover::after { opacity: 1; }
/* 产品图：深色影棚立体底（基础=深色主题），浅色主题切换白底图 */
.prod-card .pic {
  margin: -26px -26px 18px; height: 164px; overflow: hidden;
  background: #0A1220;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  display: flex; align-items: center; justify-content: center;
}
.prod-card .pic img { transition: transform .35s; }
/* 深色主题：整幅深色影棚合成图（辉光 + 投影 + 倒影已烘焙进图片） */
.prod-card .pic .pd { display: block; width: 100%; height: 100%; object-fit: contain; }
.prod-card .pic .ph { display: none; }
/* 浅色主题：浅色影棚底 + 白底图 multiply 无缝融合 */
html[data-theme="light"] .prod-card .pic {
  background: linear-gradient(180deg, #F8FAFD, #ECF1F6);
  border-bottom-color: var(--line);
}
html[data-theme="light"] .prod-card .pic .pd { display: none; }
html[data-theme="light"] .prod-card .pic .ph { display: block; width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.prod-card:hover .pic img { transform: scale(1.05); }
.prod-card .tag { font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 1px; color: var(--accent-2); }
.prod-card .name { margin-top: 10px; font-size: 19px; font-weight: 600; line-height: 1.45; }
.prod-card .desc { margin-top: 8px; font-size: 14px; color: var(--t-60); flex: 1; }
.prod-card .spec { font-family: var(--font-mono); font-size: 12px; color: var(--ice); }
.prod-card .more { margin-top: 12px; font-size: 13px; color: var(--t-45); opacity: 0; transform: translateY(4px); transition: opacity .25s, transform .25s, color .25s; display: inline-flex; align-items: center; gap: 6px; }
.prod-card:hover .more { opacity: 1; transform: none; color: var(--accent-2); }

/* ---------- CTA 带 ---------- */
.cta-band {
  background: var(--card-2); border: 1px solid var(--line); border-radius: 16px;
  padding: 54px; display: flex; align-items: center; justify-content: space-between; gap: 40px;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; right: -120px; top: -160px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 167, 255, .12), transparent 65%); pointer-events: none;
}
.cta-band h3 { font-size: 34px; font-weight: 700; }
.cta-band .sub { margin-top: 14px; max-width: 820px; font-size: 16px; color: var(--t-60); }
.cta-right { display: flex; gap: 16px; flex-shrink: 0; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-deep); padding-top: 72px; overflow: hidden; }
.footer-top { display: flex; gap: 72px; }
.footer-brand { width: 440px; flex-shrink: 0; display: flex; flex-direction: column; gap: 18px; }
.footer-brand .brand-row { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-en { font-size: 24px; }
.footer-brand p { font-size: 14px; color: var(--t-50); }
.footer-brand .contact { font-family: var(--font-mono); font-size: 14px; color: var(--accent-2); }
.footer-cols { display: flex; gap: 48px; flex: 1; justify-content: flex-end; }
.footer-col { display: flex; flex-direction: column; gap: 14px; min-width: 150px; }
.footer-col .title { font-size: 15px; font-weight: 600; }
.footer-col a { font-size: 14px; color: var(--t-50); transition: color .25s; }
.footer-col a:hover { color: var(--ice); }
.footer-divider { margin-top: 56px; height: 1px; background: var(--line); }
.footer-bottom { padding: 24px 0 8px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--t-45); }
.footer-bottom .mono { font-family: var(--font-mono); }
.footer-watermark { position: relative; height: 230px; }
.footer-watermark img {
  position: absolute; left: 50%; transform: translateX(-50%); top: 22px;
  height: 186px; width: auto;
  /* 深灰 logo 提亮为纯白，再压低透明度做浅色水印 */
  filter: brightness(0) invert(1);
  opacity: .075; user-select: none; pointer-events: none;
}

/* ---------- 解决方案页 ---------- */
.page-hero { position: relative; height: 440px; overflow: hidden; }
.page-hero .glow-cyan { width: 1180px; height: 1180px; }
.page-hero .glow-purple { width: 1020px; height: 1020px; }
.page-hero .hero-fade { height: 190px; }
.page-hero-content { position: relative; z-index: 2; padding-top: 118px; }
.breadcrumb { font-size: 13px; color: var(--t-45); }
.breadcrumb a { color: var(--t-65); transition: color .25s; }
.breadcrumb a:hover { color: var(--ice); }
.page-hero h1 { margin-top: 18px; font-size: 52px; font-weight: 700; }
.page-hero .sub { margin-top: 16px; max-width: 1040px; font-size: 17px; color: var(--t-65); }
.ind-tabs { margin-top: 26px; display: flex; gap: 12px; }
.ind-tab {
  padding: 11px 24px; border-radius: 8px; background: var(--w-7); border: 1px solid var(--line-soft);
  font-size: 15px; font-weight: 500; color: var(--t-76); cursor: pointer; transition: all .25s; font-family: var(--font-cn);
}
.ind-tab:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.ind-tab.active { background: var(--accent); border-color: var(--accent); color: var(--btn-ink); font-weight: 600; }

.deep-sec { padding: 88px 0; }
.deep-sec.alt { background: var(--bg-alt); }
.deep-head { display: flex; align-items: center; gap: 22px; margin-bottom: 44px; }
.deep-head .num { font-family: var(--font-mono); font-weight: 700; font-size: 34px; color: var(--accent-2); }
.deep-head h2 { font-size: 32px; font-weight: 700; }
.deep-head .en { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; color: var(--t-45); align-self: flex-end; padding-bottom: 8px; }
.deep-head .line { flex: 1; height: 1px; background: var(--line); }

.chain { position: relative; height: 200px; }
.chain-row { position: absolute; top: 0; left: 0; right: 0; display: flex; gap: 36px; }
.chain-stage { width: 299px; height: 111px; border-radius: 12px; background: var(--card-2); border: 1px solid var(--line); padding: 20px 22px; transition: transform .25s, border-color .25s, background .25s; position: relative; }
.chain-stage.center { background: var(--panel); border-color: rgba(53, 200, 255, .4); }
.chain-stage:hover { transform: translateY(-4px); border-color: rgba(53, 200, 255, .55); }
.chain-stage .idx { font-family: var(--font-mono); font-weight: 500; font-size: 12px; color: var(--accent-2); }
.chain-stage .name { margin-top: 6px; font-size: 18px; font-weight: 600; }
.chain-stage.center .name { color: var(--accent-2); }
.chain-stage .spec { margin-top: 8px; font-size: 13px; color: var(--t-54); line-height: 1.5; }
.chain-arrows { position: absolute; top: 48px; left: 0; right: 0; height: 16px; pointer-events: none; }
.chain-arrows svg { width: 100%; height: 100%; }
.chain-arrows .arr { stroke: rgba(53, 200, 255, .4); stroke-width: 1.4; fill: none; }
.chain-detail { display: grid; grid-template-columns: 700px 1fr; gap: 56px; margin-top: 44px; }
.chain-detail .label { font-size: 16px; font-weight: 600; color: var(--accent-2); }
.chain-detail .body { margin-top: 12px; font-size: 15px; color: var(--t-65); }
.chain-rec { margin-top: 34px; font-family: var(--font-mono); font-size: 14px; color: var(--ice); background: rgba(53, 200, 255, .07); border: 1px solid rgba(53, 200, 255, .2); border-radius: 10px; padding: 16px 20px; }

/* ---------- 产品中心页 ---------- */
.prod-layout { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.cat-side { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px; position: sticky; top: 120px; }
.cat-side .title { font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 2px; color: var(--accent-2); padding: 0 10px 12px; }
.cat-item {
  display: flex; justify-content: space-between; align-items: center; padding: 11px 10px; border-radius: 8px;
  font-size: 14px; color: var(--t-72); cursor: pointer; transition: background .2s, color .2s;
}
.cat-item .cnt { font-family: var(--font-mono); font-size: 12px; color: var(--t-45); }
.cat-item:hover { background: rgba(255, 255, 255, .05); color: #fff; }
.cat-item.active { background: rgba(46, 167, 255, .12); color: var(--accent-2); }
.cat-item.active .cnt { color: var(--accent-2); }
.prod-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.result-count { font-size: 14px; color: var(--t-54); }
.result-count b { color: var(--accent-2); font-family: var(--font-mono); font-weight: 700; }
.sort-group { display: flex; gap: 8px; }
.sort-btn { padding: 8px 16px; border-radius: 8px; border: 1px solid var(--line-soft); background: transparent; color: var(--t-54); font-size: 13px; cursor: pointer; transition: all .2s; font-family: var(--font-cn); }
.sort-btn:hover { color: #fff; border-color: rgba(255, 255, 255, .25); }
.sort-btn.active { background: rgba(46, 167, 255, .14); border-color: rgba(46, 167, 255, .45); color: var(--accent-2); }
.prod-grid-3 .prod-card { min-height: 210px; }
.prod-empty { grid-column: 1 / -1; text-align: center; padding: 70px 0; color: var(--t-45); font-size: 15px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 36px; }
.page-btn { min-width: 40px; height: 40px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line-soft); background: transparent; color: var(--t-65); font-family: var(--font-mono); font-size: 14px; cursor: pointer; transition: all .2s; }
.page-btn:hover:not(:disabled):not(.active) { color: #fff; border-color: rgba(255, 255, 255, .3); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: var(--btn-ink); font-weight: 700; }
.page-btn:disabled { opacity: .3; cursor: default; }

/* ---------- 搜索框 ---------- */
.search-box { display: flex; align-items: center; gap: 12px; background: var(--card); border: 1px solid var(--line-soft); border-radius: 10px; padding: 0 18px; height: 54px; transition: border-color .25s, box-shadow .25s; }
.search-box:focus-within { border-color: rgba(53, 200, 255, .5); box-shadow: 0 0 0 3px rgba(53, 200, 255, .12); }
.search-box svg { flex-shrink: 0; color: var(--t-45); }
.search-box input { flex: 1; background: none; border: 0; outline: 0; color: #fff; font-family: var(--font-cn); font-size: 15px; }
.search-box input::placeholder { color: var(--t-45); }
.page-hero .search-box { max-width: 640px; background: rgba(10, 19, 34, .7); backdrop-filter: blur(8px); }
.search-clear { background: none; border: 0; color: var(--t-45); font-size: 20px; cursor: pointer; display: none; line-height: 1; }
.search-clear:hover { color: #fff; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 32px; bottom: 32px; width: 46px; height: 46px; border-radius: 10px;
  background: rgba(10, 19, 34, .85); border: 1px solid rgba(53, 200, 255, .3); color: var(--accent-2);
  font-size: 18px; cursor: pointer; z-index: 99; opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s; backdrop-filter: blur(8px);
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); background: rgba(46, 167, 255, .2); }

/* ---------- 全端菜单：右上角汉堡 → 右侧抽屉（参考 tctrend.com） ---------- */
.nav-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-soft); background: var(--w-6);
  color: var(--t-72); cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  transition: color .25s, border-color .25s;
}
.nav-toggle:hover { color: var(--ice); border-color: rgba(46, 167, 255, .5); }
.nav-toggle svg { width: 18px; height: 18px; }
.side-mask {
  position: fixed; inset: 0; z-index: 115;
  background: rgba(0, 0, 0, .7); backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.side-mask.open { opacity: 1; visibility: visible; }
.m-nav {
  display: flex; flex-direction: column;
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(320px, 84vw);
  background: var(--panel); border-left: 1px solid var(--line-soft);
  box-shadow: -24px 0 60px rgba(0, 0, 0, .4);
  z-index: 116; overflow-y: auto; -webkit-overflow-scrolling: touch;
  transform: translateX(100%); transition: transform .32s cubic-bezier(.22, 1, .36, 1);
}
.m-nav.open { transform: none; }
.side-head {
  flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--line-soft);
}
.side-brand { font-family: var(--font-brand); font-weight: 700; font-size: 16.5px; letter-spacing: .5px; color: var(--t-100); }
.side-close {
  width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line-soft);
  background: none; color: var(--t-55); font-size: 20px; line-height: 1; cursor: pointer;
  transition: color .2s, border-color .2s;
}
.side-close:hover { color: var(--t-100); border-color: rgba(46, 167, 255, .5); }
.side-body { padding: 6px 0 10px; }
.side-body a {
  display: block; padding: 13px 26px; font-size: 15px;
  color: var(--t-76); text-decoration: none; border-bottom: 1px dashed var(--line-soft);
  transition: color .2s, background .2s, padding-left .2s;
}
.side-body a:hover, .side-body a.active { color: var(--accent-2); background: var(--w-6); padding-left: 32px; }
.side-langs {
  margin-top: auto; padding: 14px 20px 22px;
  border-top: 1px solid var(--line-soft);
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
}
.side-langs a {
  display: flex; align-items: center; justify-content: center; height: 36px;
  border: 1px solid var(--line-soft); border-radius: 8px;
  font-size: 13px; color: var(--t-76); text-decoration: none;
  transition: color .2s, border-color .2s;
}
.side-langs a:hover { color: var(--t-100); border-color: rgba(46, 167, 255, .5); }
.side-langs a.active { color: var(--accent-2); border-color: rgba(53, 200, 255, .45); font-weight: 600; }

/* ---------- 小屏头部收纳 ---------- */
@media (max-width: 640px) {
  .header { height: 64px; }
  .brand-cn, .brand-divider { display: none; }
  .header-right { gap: 8px; }
  .search-btn { display: none; }
  .lang-btn { padding: 0 10px; }
  .header-right .icon-btn, .header-right .search-btn, .header-right .btn-contact { width: 34px; height: 34px; }
  .header-right .search-btn svg, .header-right .icon-btn svg, .header-right .btn-contact svg { width: 16px; height: 16px; }
}
@media (max-width: 400px) {
  .brand-logo { height: 36px; }
  .lang-btn { padding: 0 9px; }
  .lang-btn .lang-cur > span:last-child { display: none; }
  .header-right .icon-btn, .header-right .btn-contact { width: 32px; height: 32px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1400px) {
  .family-grid { grid-template-columns: repeat(3, 1fr); }
  .other-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 54px; }
  .ind-block, .ind-block.flip { grid-template-columns: 1fr; }
  .topo { width: 100%; }
  .chain-row { flex-wrap: wrap; }
  .chain-detail { grid-template-columns: 1fr; }
  .prod-layout { grid-template-columns: 260px 1fr; }
}
@media (max-width: 1024px) {
  .wrap, .topbar-inner, .header-inner { width: calc(100% - 48px); }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .m-nav { display: none; }
  .m-nav.open { display: flex; }
  .cards-4, .cards-3, .prod-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .family-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { height: auto; padding-bottom: 100px; }
  .hero-metrics { flex-wrap: wrap; gap: 28px; }
  .metric + .metric { border: 0; padding: 0; margin: 0; }
  .metric { flex: 1 1 40%; }
  .prod-layout { grid-template-columns: 1fr; }
  .cat-side { position: static; }
  .footer-top { flex-direction: column; }
  .footer-cols { justify-content: flex-start; flex-wrap: wrap; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .hero h1, .page-hero h1 { font-size: 40px; }
}
@media (max-width: 640px) {
  .cards-4, .cards-3, .prod-grid-3, .family-grid, .other-grid { grid-template-columns: 1fr; }
  .tb-right { display: none; }
  .hero h1 { font-size: 29px; line-height: 1.28; }
  .hero-cta { flex-direction: column; }
  .footer-watermark img { height: 84px; top: 64px; }
  /* 首屏紧凑化：图片背景随内容自适应，减少留白 */
  .hero { padding-bottom: 72px; }
  .hero-content { padding-top: 84px; }
  .hero-chip { padding: 8px 14px; font-size: 11px; letter-spacing: 1px; }
  .hero h1 { margin-top: 18px; }
  .hero-sub { margin-top: 12px; font-size: 14px; line-height: 1.65; }
  .hero-cta { margin-top: 20px; gap: 10px; }
  .hero-cta .btn-lg { padding: 13px 20px; font-size: 14.5px; }
  .hero-metrics { margin-top: 30px; gap: 18px 22px; }
  .metric .value { font-size: 24px; }
  .metric .label { font-size: 12px; }
}

/* ============================================================
   主题切换（参考 uyesee.com 顶部按钮设计）
   浅色模式变量覆盖 + 头部工具按钮（语言 / 深浅模式）
   ============================================================ */
html[data-theme="light"] {
  --bg: #EFF6F1;
  --bg-deep: #E4EEE6;
  --bg-alt: #F7FBF8;
  --card: #F9FCF9;
  --card-2: #F1F7F2;
  --panel: #F9FCF9;
  --panel-hi: #E6F2E9;
  --img-bg: #E3EDE5;
  --logo-bg: #F9FCF9;
  --accent: #0F8F6E;
  --accent-2: #0DA27A;
  --teal: #0E9C86;
  --purple: #6A5AE0;
  --ice: #0F8F6E;
  --btn-ink: #FFFFFF;
  --t-100: #12241B;
  --t-85: rgba(18, 36, 27, .85);
  --t-76: rgba(18, 36, 27, .78);
  --t-72: rgba(18, 36, 27, .74);
  --t-65: rgba(18, 36, 27, .68);
  --t-60: rgba(18, 36, 27, .62);
  --t-55: rgba(18, 36, 27, .58);
  --t-54: rgba(18, 36, 27, .56);
  --t-50: rgba(18, 36, 27, .52);
  --t-45: rgba(18, 36, 27, .46);
  --line: rgba(18, 36, 27, .10);
  --line-soft: rgba(18, 36, 27, .16);
  --w-7: rgba(20, 90, 60, .05);
  --w-6: rgba(20, 90, 60, .04);
  --w-12: rgba(20, 90, 60, .08);
}
body { transition: background .35s ease, color .35s ease; }
html[data-theme="light"] .header.scrolled { background: rgba(239, 246, 241, .9); }
html[data-theme="light"] ::-webkit-scrollbar-track { background: #E4EEE6; }
html[data-theme="light"] ::-webkit-scrollbar-thumb { background: #C4DBCB; }
html[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: #A9C9B2; }
html[data-theme="light"] .glow { opacity: .32; }
html[data-theme="light"] .footer-watermark img { filter: brightness(0); opacity: .07; }
html[data-theme="light"] .page-hero .search-box { background: rgba(249, 252, 249, .88); }
html[data-theme="light"] .search-box input { color: var(--t-100); }
html[data-theme="light"] .search-clear:hover { color: var(--t-100); }
html[data-theme="light"] .back-top { background: rgba(249, 252, 249, .92); }
html[data-theme="light"] .brand-en { color: var(--t-100); }
html[data-theme="light"] .icon-btn:hover, html[data-theme="light"] .lang-btn:hover, html[data-theme="light"] .lang-wrap.open .lang-btn { border-color: rgba(15, 143, 110, .55); }
html[data-theme="light"] .lang-pill:hover { border-color: rgba(15, 143, 110, .55); }
/* 浅色模式：导航与排序 hover 用深蓝色（避免白色在浅底不可见） */
html[data-theme="light"] .nav a {
  background-image: linear-gradient(180deg, #1B5FA6 0%, #0F8F6E 55%, #0DA27A 100%);
}
html[data-theme="light"] .nav a:hover {
  color: #fff;
  background-size: 100% 100%;
  box-shadow: 0 6px 20px rgba(27, 95, 166, .32), inset 0 0 0 1px rgba(255, 255, 255, .35);
  transform: translateY(-1px);
}
html[data-theme="light"] .nav a.active { background: rgba(27, 95, 166, .08); }
html[data-theme="light"] .sort-btn:hover { color: var(--t-100); border-color: var(--line-soft); }

/* ---------- 头部工具按钮 ---------- */
.header-right { gap: 12px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-soft); background: var(--w-6);
  color: var(--t-72); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .25s, border-color .25s, background .25s, transform .25s;
}
.icon-btn:hover { color: var(--ice); border-color: rgba(46, 167, 255, .5); transform: translateY(-1px); }
.icon-btn svg { width: 17px; height: 17px; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.lang-wrap { position: relative; }
.lang-btn {
  height: 38px; padding: 0 14px; border-radius: 19px;
  border: 1px solid var(--line-soft); background: var(--w-6);
  color: var(--t-76); cursor: pointer; font-family: var(--font-cn);
  font-size: 13.5px; display: flex; align-items: center; gap: 7px;
  transition: color .25s, border-color .25s;
}
.lang-btn:hover, .lang-wrap.open .lang-btn { color: var(--ice); border-color: rgba(46, 167, 255, .5); }
.lang-btn > svg { width: 15px; height: 15px; }
.lang-btn .chev { width: 11px; height: 11px; transition: transform .25s; }
.lang-wrap.open .chev { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 176px;
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: 10px;
  padding: 6px; z-index: 120;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .22s, transform .22s, visibility .22s;
  box-shadow: 0 14px 40px rgba(0, 0, 0, .35);
}
.lang-wrap.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-item {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border: 0; background: none; border-radius: 7px;
  font-family: var(--font-cn); font-size: 14px; color: var(--t-76); cursor: pointer;
  transition: background .2s, color .2s; text-align: left;
}
.lang-item:hover { background: var(--w-6); color: var(--t-100); }
.lang-item.active { color: var(--accent-2); font-weight: 600; }
.lang-item .soon { font-family: var(--font-mono); font-size: 11px; color: var(--t-45); font-weight: 400; }

/* ---------- 轻提示 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 42px; transform: translate(-50%, 16px);
  background: var(--panel-hi); color: var(--t-100); border: 1px solid var(--line-soft);
  padding: 11px 22px; border-radius: 10px; font-size: 14px; z-index: 300;
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .3);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 子页 Hero 动效背景（与首页同款） ---------- */
.ring, .ring-anim { transform-box: fill-box; transform-origin: center; }
html[data-theme="light"] .hero-svg .hero-node { filter: drop-shadow(0 0 5px rgba(15, 143, 110, .6)); }

/* ---------- 咨询表单（联系我们页） ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-item { display: flex; flex-direction: column; gap: 8px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 13px; color: var(--t-55); letter-spacing: 1px; }
.form-item input, .form-item textarea {
  background: var(--w-6); border: 1px solid var(--line-soft); border-radius: 8px;
  padding: 11px 13px; color: var(--t-100); font-family: var(--font-cn); font-size: 14px;
  outline: 0; transition: border-color .25s, background .25s; resize: vertical;
}
.form-item input::placeholder, .form-item textarea::placeholder { color: var(--t-45); }
.form-item input:focus, .form-item textarea:focus { border-color: rgba(46, 167, 255, .55); background: var(--w-7); }
html[data-theme="light"] .form-item input:focus, html[data-theme="light"] .form-item textarea:focus { border-color: rgba(15, 143, 110, .55); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ============================================================
   通用内容卡网格（用于栏目页：案例 / 伙伴 / 博文 / 支持 / 下载）
   区别于首页 .family-grid（5 列固定高 320px 的产品族类卡）
   ============================================================ */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.info-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 26px; min-height: 200px; position: relative; overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
a.info-card { cursor: pointer; }
.info-card::before {
  content: ''; position: absolute; inset: 0; border-radius: 12px; opacity: 0; transition: opacity .3s;
  background: linear-gradient(160deg, rgba(53, 200, 255, .08), transparent 55%);
}
.info-card:hover { transform: translateY(-6px); border-color: rgba(53, 200, 255, .4); box-shadow: 0 18px 44px rgba(0, 0, 0, .45); }
.info-card:hover::before { opacity: 1; }
.info-card .badge {
  font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 1px;
  color: var(--accent-2);
}
.info-card .title { margin-top: 12px; font-size: 20px; font-weight: 600; line-height: 1.45; }
.info-card .desc { margin-top: 10px; font-size: 13.5px; line-height: 1.8; color: var(--t-60); }
.info-card .more {
  margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; color: var(--t-45); transition: color .25s, gap .25s;
}
.info-card:hover .more { color: var(--accent-2); gap: 10px; }
.info-card .meta { margin-top: 8px; font-size: 12.5px; color: var(--t-45); }

@media (max-width: 1100px) { .card-grid, .card-grid--2 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px)  { .card-grid, .card-grid--2 { grid-template-columns: 1fr; } }

/* 内容卡内的 span 子元素（flex 列容器中需块级化） */
.info-card .badge, .info-card .title, .info-card .desc, .info-card .meta { display: block; }
.info-card .badge-icon { height: 44px; display: flex; align-items: center; color: var(--accent-2); }
.info-card .badge-icon svg { height: 34px; width: auto; }
.info-card > .badge-icon + .badge { margin-top: 20px; }

/* 4 列卡网格（栏目页复用 .cards-4 时补窄屏回退） */
@media (max-width: 1100px) { .cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px)  { .cards-4 { grid-template-columns: 1fr; } }

/* ============================================================
   新闻中心（blog.html）
   ============================================================ */
/* 分类筛选条 */
.news-filter {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px;
  padding-bottom: 24px; border-bottom: 1px solid var(--line);
}
.news-filter button {
  font-family: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
  padding: 9px 20px; border-radius: 999px;
  background: var(--card); color: var(--t-72);
  border: 1px solid var(--line);
  transition: color .25s, background .25s, border-color .25s, transform .25s;
}
.news-filter button:hover { color: var(--t-100); border-color: rgba(53,200,255,.4); transform: translateY(-1px); }
.news-filter button.active {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, #2EA7FF, #13DDC4);
  box-shadow: 0 6px 20px rgba(46,167,255,.35);
}
html[data-theme="light"] .news-filter button.active {
  background: linear-gradient(135deg, #0F8F6E, #0DA27A);
  box-shadow: 0 6px 20px rgba(15,143,110,.28);
}
.news-filter button .cnt { font-family: var(--font-mono); font-size: 11px; opacity: .65; margin-left: 6px; }

/* 置顶头条 */
.news-featured {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 0;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; margin-bottom: 22px; position: relative;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.news-featured:hover { border-color: rgba(53,200,255,.4); box-shadow: 0 22px 54px rgba(0,0,0,.5); transform: translateY(-4px); }
.news-featured-visual {
  position: relative; min-height: 320px; overflow: hidden;
  background: linear-gradient(150deg, #0A1830, #061020 60%, #08131F);
  border-right: 1px solid var(--line);
}
.news-featured-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.news-featured-body { padding: 44px 44px 40px; display: flex; flex-direction: column; }
.news-featured .pin {
  display: inline-flex; align-items: center; gap: 7px; align-self: flex-start;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px;
  color: #fff; background: linear-gradient(135deg, #2EA7FF, #13DDC4);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
}
.news-featured .pin::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #fff; box-shadow: 0 0 8px #fff; }
.news-featured h3 { font-size: 30px; font-weight: 700; line-height: 1.35; }
.news-featured .desc { margin-top: 16px; font-size: 14.5px; line-height: 1.95; color: var(--t-60); }
.news-featured .news-meta { margin-top: auto; padding-top: 24px; }

/* 新闻元信息行 */
.news-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12px; color: var(--t-45);
}
.news-meta .cat {
  font-family: inherit; font-weight: 500; letter-spacing: .5px;
  color: var(--accent-2); background: rgba(53,200,255,.10);
  border: 1px solid rgba(53,200,255,.24); padding: 3px 10px; border-radius: 999px;
}
html[data-theme="light"] .news-meta .cat { color: #0F8F6E; background: rgba(15,143,110,.09); border-color: rgba(15,143,110,.22); }
.news-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--t-45); }
.news-meta .src { color: var(--t-45); }

/* 新闻网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 1100px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px)  { .news-grid { grid-template-columns: 1fr; } }

.news-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 24px; min-height: 230px; position: relative; overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.news-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .3s;
  background: linear-gradient(160deg, rgba(53,200,255,.07), transparent 52%);
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(53,200,255,.38); box-shadow: 0 18px 44px rgba(0,0,0,.45); }
.news-card:hover::before { opacity: 1; }
.news-card .icon-line { height: 30px; display: flex; align-items: center; color: var(--accent-2); margin-bottom: 16px; position: relative; }
.news-card .icon-line svg { height: 26px; width: auto; }
.news-card .title { font-size: 18px; font-weight: 600; line-height: 1.5; position: relative; }
.news-card .desc {
  margin-top: 12px; font-size: 13.5px; line-height: 1.85; color: var(--t-60); position: relative;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card .news-meta { margin-top: auto; padding-top: 18px; position: relative; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 46px; }
.pager button {
  font-family: var(--font-mono); font-size: 13px; cursor: pointer;
  min-width: 38px; height: 38px; padding: 0 12px; border-radius: 9px;
  background: var(--card); color: var(--t-72); border: 1px solid var(--line);
  transition: color .25s, background .25s, border-color .25s;
}
.pager button:hover:not(:disabled) { color: var(--t-100); border-color: rgba(53,200,255,.4); }
.pager button.active {
  color: #fff; border-color: transparent; background: linear-gradient(135deg, #2EA7FF, #13DDC4);
}
html[data-theme="light"] .pager button.active { background: linear-gradient(135deg, #0F8F6E, #0DA27A); }
.pager button:disabled { opacity: .35; cursor: not-allowed; }
.pager .ellipsis { color: var(--t-45); font-family: var(--font-mono); font-size: 13px; padding: 0 4px; }

.news-empty { text-align: center; padding: 70px 0; color: var(--t-45); font-size: 15px; display: none; }

/* 新闻页 Hero 的 ind-tabs 复用（若存在） */
.news-hero-stats { display: flex; gap: 40px; margin-top: 30px; flex-wrap: wrap; }
.news-hero-stats .s { display: flex; flex-direction: column; gap: 4px; }
.news-hero-stats .s b { font-family: var(--font-mono); font-size: 30px; font-weight: 700; color: var(--accent-2); line-height: 1; }
.news-hero-stats .s span { font-size: 13px; color: var(--t-60); }

@media (max-width: 900px) {
  .news-featured { grid-template-columns: 1fr; }
  .news-featured-visual { min-height: 200px; border-right: none; border-bottom: 1px solid var(--line); }
  .news-featured-body { padding: 32px 28px; }
  .news-featured h3 { font-size: 24px; }
}


/* ============================================================
   解决方案页 — 五方案技术体系（SDVoE / H.265 / 双引擎 / NDI / 三引擎）
   ============================================================ */
.ind-tabs { flex-wrap: wrap; }

.sol-sec { --sol-line: rgba(53, 200, 255, .22); --sol-tint: rgba(53, 200, 255, .06); --sol-glow: rgba(53, 200, 255, .10); }
html[data-theme="light"] .sol-sec { --sol-line: rgba(13, 162, 122, .26); --sol-tint: rgba(13, 162, 122, .06); --sol-glow: rgba(13, 162, 122, .09); }

/* — 五方案索引条 — */
.sol-index { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.sol-idx {
  position: relative; overflow: hidden; padding: 18px 17px 16px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); transition: transform .25s, border-color .25s;
}
.sol-idx::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent-2), transparent 72%); opacity: .55;
}
.sol-idx:hover { transform: translateY(-3px); border-color: var(--sol-line); }
.sol-idx .n { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.6px; color: var(--accent-2); }
.sol-idx h3 { margin-top: 7px; font-size: 16px; font-weight: 600; letter-spacing: -.2px; }
.sol-idx .m { margin-top: 9px; font-family: var(--font-mono); font-size: 11.5px; line-height: 1.6; color: var(--t-45); }

/* — 方案主体：左文右链路 — */
.sol-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: start; }
.sol-main .lead { font-size: 16px; line-height: 1.95; color: var(--t-76); }
.sol-main .lead b { color: var(--t-100); font-weight: 600; }
.sol-quote {
  margin-top: 22px; padding: 16px 20px 16px 18px; border-left: 2px solid var(--accent-2);
  background: var(--sol-tint); border-radius: 0 10px 10px 0;
  font-size: 13.5px; line-height: 1.8; color: var(--t-60);
}
.sol-quote .ql { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1.6px; color: var(--accent-2); margin-bottom: 7px; }

.sol-kpi { margin-top: 30px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.sol-kpi > div { background: var(--card); padding: 18px 16px; }
.sol-kpi b { display: block; font-family: var(--font-mono); font-weight: 700; font-size: 22px; letter-spacing: -.8px; line-height: 1.1; color: var(--accent-2); }
.sol-kpi span { display: block; margin-top: 8px; font-size: 12px; line-height: 1.5; color: var(--t-50); }

/* — 应用场景照片墙 — */
.sol-scenes { margin-top: 30px; }
.sol-scenes .sc-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 12px; margin-bottom: 14px; border-bottom: 1px dashed var(--line-soft);
}
.sol-scenes .sc-head .t { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 2px; color: var(--t-45); }
.sol-scenes .sc-head .n { font-size: 13px; font-weight: 600; color: var(--t-70); }
.sc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sc-grid figure {
  position: relative; margin: 0; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-deep);
  aspect-ratio: 16 / 10.5;
}
.sc-grid figure img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease, filter .45s ease; }
.sc-grid figure::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(3, 6, 13, .62));
  pointer-events: none;
}
.sc-grid figcaption {
  position: absolute; left: 14px; bottom: 12px; z-index: 1;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .5px; color: #EAF4FB;
}
.sc-grid figcaption i { width: 14px; height: 2px; background: var(--accent-2); }
.sc-grid figure:hover img { transform: scale(1.045); filter: brightness(1.06); }
.sc-grid figure:hover { border-color: var(--sol-line); }
.sc-grid figure.wide { grid-column: span 2; aspect-ratio: 16 / 7.5; }

/* 一行四列（4 张场景图） */
.sc-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.sc-grid.cols-4 figure { aspect-ratio: 16 / 9; }

/* 一行三列（3 张场景图） */
.sc-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.sc-grid.cols-3 figure { aspect-ratio: 16 / 9; }

/* 全宽横图 + 两张并排（双引擎） */
.sc-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.sc-grid.cols-2 figure:not(.wide) { aspect-ratio: 16 / 9; }

/* 一大四小（大图跨 2×2，四张小图 2×2 填充） */
.sc-grid.one-four { grid-template-columns: repeat(4, 1fr); }
.sc-grid.one-four figure { aspect-ratio: 16 / 9; }
.sc-grid.one-four figure.big { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }


/* — 链路示意（竖向） — */
.sol-flow { border: 1px solid var(--line); border-radius: 14px; padding: 24px 24px 20px; background: linear-gradient(180deg, var(--card), rgba(10, 19, 34, .35)); }
html[data-theme="light"] .sol-flow { background: linear-gradient(180deg, var(--card), var(--card-2)); }
.sol-flow .fhead { display: flex; justify-content: space-between; align-items: center; padding-bottom: 16px; margin-bottom: 18px; border-bottom: 1px dashed var(--line-soft); }
.sol-flow .fhead span:first-child { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 2px; color: var(--t-45); }
.sol-flow .fhead span:last-child { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1.4px; color: var(--accent-2); }
.sf-node { border: 1px solid var(--line); border-radius: 10px; background: var(--bg-deep); padding: 12px 15px; }
.sf-node .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.4px; color: var(--t-45); }
.sf-node .t { margin-top: 4px; font-size: 14.5px; font-weight: 600; }
.sf-node .d { margin-top: 5px; font-size: 12px; line-height: 1.55; color: var(--t-50); }
.sf-node.hi { border-color: var(--sol-line); background: linear-gradient(180deg, var(--sol-glow), transparent); }
.sf-node.hi .t { color: var(--accent-2); }
.sf-link { height: 26px; display: flex; justify-content: center; }
.sf-link i { width: 1px; height: 100%; background: linear-gradient(180deg, var(--sol-line), transparent); position: relative; }
.sf-link i::after {
  content: ""; position: absolute; left: 50%; bottom: 1px; width: 6px; height: 6px;
  border-right: 1px solid var(--sol-line); border-bottom: 1px solid var(--sol-line);
  transform: translateX(-50%) rotate(45deg);
}

/* — 能力卡 — */
.sol-caps { margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cap-card { border: 1px solid var(--line); border-radius: 12px; padding: 20px 20px 18px; background: var(--card); transition: transform .25s, border-color .25s; }
.cap-card:hover { transform: translateY(-3px); border-color: var(--sol-line); }
.cap-card .ic {
  width: 32px; height: 32px; border-radius: 9px; margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--sol-tint); color: var(--accent-2); border: 1px solid var(--sol-line);
}
.cap-card .ic svg { width: 16px; height: 16px; }
.cap-card h4 { font-size: 15.5px; font-weight: 600; letter-spacing: -.2px; }
.cap-card p { margin-top: 8px; font-size: 13px; line-height: 1.72; color: var(--t-55); }

/* — 画册图证：拓扑图 / 图标 / 徽标 — */
.sol-visual {
  margin-top: 44px; border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px 22px; background: linear-gradient(180deg, var(--card), rgba(10, 19, 34, .35));
}
html[data-theme="light"] .sol-visual { background: linear-gradient(180deg, var(--card), var(--card-2)); }
.sol-visual .sv-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding-bottom: 13px; margin-bottom: 16px; border-bottom: 1px dashed var(--line-soft);
}
.sol-visual .sv-head .t { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 2px; color: var(--accent-2); }
.sol-visual .sv-head .n { font-size: 12px; color: var(--t-45); }
.sv-grid { display: grid; grid-template-columns: 1.18fr .82fr; gap: 14px; align-items: stretch; }
.sv-side { display: flex; flex-direction: column; gap: 14px; }
.sv-fig {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 16px 12px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
}
.sv-fig img { max-width: 100%; height: auto; display: block; }
.sv-fig.main img { max-height: 460px; }
.sv-fig.center { padding: 22px 26px 16px; }
.sv-fig.center img { max-width: min(100%, 620px); }
.sv-fig figcaption { font-size: 12px; line-height: 1.6; color: #5A6472; text-align: center; }

/* — 推荐型号 — */
.sol-prods { margin-top: 20px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }.sol-prods .ph { display: flex; justify-content: space-between; padding: 12px 20px; background: var(--w-6); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1.6px; color: var(--t-45); }
.sol-prod-row { display: grid; grid-template-columns: 230px 1fr 320px; gap: 18px; align-items: center; padding: 14px 20px; border-top: 1px solid var(--line); transition: background .2s; }
.sol-prod-row:hover { background: var(--sol-tint); }
.sol-prod-row .m { font-family: var(--font-mono); font-size: 13.5px; font-weight: 500; color: var(--accent-2); }
.sol-prod-row .r { font-size: 13.5px; color: var(--t-76); }
.sol-prod-row .s { font-family: var(--font-mono); font-size: 11.5px; line-height: 1.5; color: var(--t-45); text-align: right; }

/* — 选型对照表 — */
.spec-wrap { overflow-x: auto; }
.spec-matrix { width: 100%; min-width: 900px; border-collapse: separate; border-spacing: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 13.5px; }
.spec-matrix th, .spec-matrix td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-matrix thead th { background: var(--w-6); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1.4px; font-weight: 500; color: var(--t-45); white-space: nowrap; }
.spec-matrix tbody tr:last-child td { border-bottom: 0; }
.spec-matrix tbody tr:hover td { background: var(--sol-tint); }
.spec-matrix td:first-child { font-weight: 600; white-space: nowrap; }
.spec-matrix td:first-child .tag { display: block; margin-top: 4px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 1.2px; font-weight: 400; color: var(--t-45); }
.spec-matrix .v { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent-2); }
.spec-matrix td.scene { color: var(--t-55); line-height: 1.6; }

@media (max-width: 1440px) {
  .sol-index { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1280px) {
  .sol-grid { grid-template-columns: 1fr; gap: 34px; }
  .sol-caps { grid-template-columns: repeat(2, 1fr); }
  .sol-index { grid-template-columns: repeat(3, 1fr); }
  .sol-prod-row { grid-template-columns: 190px 1fr; }
  .sol-prod-row .s { grid-column: 1 / -1; text-align: left; }
  .sv-grid { grid-template-columns: 1fr; }
  .sc-grid { grid-template-columns: repeat(2, 1fr); }
  .sc-grid figure.wide { grid-column: span 2; }
  .sc-grid.cols-4, .sc-grid.one-four, .sc-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .sc-grid.one-four figure.big { grid-column: span 2; grid-row: auto; aspect-ratio: 16 / 9; }
  .sc-grid.cols-2 figure:not(.wide) { aspect-ratio: 16 / 10.5; }
}
@media (max-width: 760px) {
  .sol-kpi { grid-template-columns: repeat(2, 1fr); }
  .sol-caps { grid-template-columns: 1fr; }
  .sol-index { grid-template-columns: 1fr; }
  .sol-prod-row { grid-template-columns: 1fr; gap: 6px; }
  .sol-prod-row .s { text-align: left; }
  .sc-grid { grid-template-columns: 1fr; }
  .sc-grid figure.wide { grid-column: auto; }
  .sc-grid.cols-4, .sc-grid.one-four, .sc-grid.cols-3 { grid-template-columns: 1fr; }
  .sc-grid.cols-2 { grid-template-columns: 1fr; }
  .sc-grid.one-four figure.big { grid-column: auto; }
}

/* ---------- 首页主题轮播（动态图片展示） ---------- */
.hero-carousel { position: absolute; inset: 0; z-index: 2; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide-img {
  position: absolute; inset: 0; background: center/cover no-repeat;
  opacity: .5; transform: scale(1.06);
}
html[data-theme="light"] .hero-slide-img { opacity: .34; }
.hero-slide.is-active .hero-slide-img { animation: heroKB 9s ease-out forwards; }
@keyframes heroKB { from { transform: scale(1.06) translateX(0); } to { transform: scale(1.13) translateX(-18px); } }
.hero-slide.img-or       .hero-slide-img { background-image: url(../img/hero/hero-slide-medical-or.jpg); }
.hero-slide.img-teaching .hero-slide-img { background-image: url(../img/hero/hero-slide-teaching.jpg); }
.hero-slide.img-command  .hero-slide-img { background-image: url(../img/hero/hero-slide-command.jpg); }
.hero-slide.img-arena    .hero-slide-img { background-image: url(../img/hero/hero-slide-arena.jpg); }
.hero-slide.img-edu      .hero-slide-img { background-image: url(../img/hero/hero-slide-education.jpg); }
.hero-slide.img-live     .hero-slide-img { background-image: url(../img/hero/hero-slide-live.jpg); }
.hero-slide.img-meeting  .hero-slide-img { background-image: url(../img/hero/hero-slide-meeting.jpg); }
html[data-theme="light"] .img-or       .hero-slide-img { background-image: url(../img/hero/hero-slide-medical-or-light.jpg); }
html[data-theme="light"] .img-teaching .hero-slide-img { background-image: url(../img/hero/hero-slide-teaching-light.jpg); }
html[data-theme="light"] .img-command  .hero-slide-img { background-image: url(../img/hero/hero-slide-command-light.jpg); }
html[data-theme="light"] .img-arena    .hero-slide-img { background-image: url(../img/hero/hero-slide-arena-light.jpg); }
html[data-theme="light"] .img-edu      .hero-slide-img { background-image: url(../img/hero/hero-slide-education-light.jpg); }
html[data-theme="light"] .img-live     .hero-slide-img { background-image: url(../img/hero/hero-slide-live-light.jpg); }
html[data-theme="light"] .img-meeting .hero-slide-img { background-image: url(../img/hero/hero-slide-meeting-light.jpg); }
.hero-fade { z-index: 3; }
/* 方案图轮播时隐藏音视频动态背景（Pro IP 首屏保留） */
.hero-bg .glow, .hero-bg .hero-svg, .hero-wall--home { transition: opacity .7s ease; }
.hero[data-slide]:not([data-slide="0"]) .hero-bg .glow,
.hero[data-slide]:not([data-slide="0"]) .hero-bg .hero-svg,
.hero[data-slide]:not([data-slide="0"]) .hero-wall--home { opacity: 0 !important; }
.hero-content { position: relative; z-index: 4; }
.hero-copy { display: none; }
.hero-copy.is-active { display: block; animation: heroCopyIn .8s ease both; }
.hero-copy.is-active .hero-chip { animation: heroCopyIn .8s .05s ease both; }
.hero-copy.is-active h1 { animation: heroCopyIn .8s .15s ease both; }
.hero-copy.is-active .hero-sub { animation: heroCopyIn .8s .25s ease both; }
.hero-copy.is-active .hero-cta { animation: heroCopyIn .8s .35s ease both; }
@keyframes heroCopyIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .18); background: rgba(5, 10, 22, .35);
  color: rgba(255, 255, 255, .8); cursor: pointer; backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  transition: background .25s, border-color .25s, color .25s;
}
.hero-arrow:hover { background: rgba(46, 167, 255, .25); border-color: rgba(46, 167, 255, .6); color: #fff; }
.hero-arrow svg { width: 18px; height: 18px; }
.hero-arrow.prev { left: 34px; }
.hero-arrow.next { right: 34px; }
html[data-theme="light"] .hero-arrow { border-color: rgba(15, 143, 110, .3); background: rgba(255, 255, 255, .4); color: var(--t-72); }
.hero-dots {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 34px; z-index: 5;
  display: flex; gap: 10px; align-items: center;
}
.hero-dot {
  width: 26px; height: 4px; border-radius: 2px; border: 0; padding: 0;
  background: rgba(255, 255, 255, .28); cursor: pointer; transition: background .3s, width .3s;
}
html[data-theme="light"] .hero-dot { background: rgba(15, 40, 30, .25); }
.hero-dot.is-active { width: 44px; background: var(--accent-2); }
@media (max-width: 768px) {
  .hero-arrow { display: none; }
  .hero-dots { bottom: 22px; }
}

/* ---------- SDVoE 方案区产品图卡 ---------- */
.sol-prod {
  margin-top: 22px; border: 1px solid var(--line-soft); border-radius: 12px;
  overflow: hidden; background: #F5F8FA;
}
html[data-theme="light"] .sol-prod { background: #FFFFFF; }
.sol-prod img { display: block; width: 100%; aspect-ratio: 9 / 5; object-fit: cover; }
.sp-cap {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 18px; border-top: 1px solid var(--line-soft); background: var(--card);
}
.sp-cap b { font-size: 14.5px; color: var(--t-100); }
.sp-cap span { flex: 1 1 auto; font-size: 12.5px; color: var(--t-50); }
.sp-cap a { font-size: 13px; color: var(--accent-2); text-decoration: none; white-space: nowrap; }
.sp-cap a:hover { text-decoration: underline; }
@media (max-width: 640px) { .sp-cap { flex-direction: column; align-items: flex-start; gap: 4px; } }

/* ---------- 语言菜单 · 国旗图标 ---------- */
.lang-item { gap: 10px; justify-content: flex-start; }
.lang-item .lang-name { flex: 1; }
.lang-flag {
  display: inline-flex; width: 19px; height: 13px; flex: none;
  border-radius: 2.5px; overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .25), inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.lang-flag svg { width: 100%; height: 100%; display: block; }
.lang-cur { display: inline-flex; align-items: center; gap: 7px; }
.lang-btn .lang-flag { width: 17px; height: 11.6px; }
.side-langs a { gap: 7px; justify-content: flex-start; padding: 0 10px; }
.side-langs a .lang-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-langs .lang-flag { width: 16px; height: 11px; }

/* ---------- 优势卡片 · 明星条目 ---------- */
.adv-card .star { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13.5px; line-height: 1.7; color: var(--t-60); }
.adv-card .star b { display: block; font-size: 12px; letter-spacing: .16em; color: var(--accent-2); font-weight: 600; margin-bottom: 5px; }

/* ---------- 联系页 · 服务通道（编号卡片） ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  padding: 30px 28px 26px; border-radius: 14px;
  background: var(--card); border: 1px solid var(--line);
  transition: transform .3s, border-color .3s, background .3s;
}
.svc-card::after {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent-2), transparent 72%); opacity: .85;
}
.svc-card:hover { transform: translateY(-5px); border-color: rgba(53, 200, 255, .35); background: var(--card-2); }
.svc-no {
  position: absolute; top: 24px; right: 24px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.4px; line-height: 1;
  color: var(--accent-2); padding: 5px 9px; border-radius: 999px;
  border: 1px solid rgba(53, 200, 255, .28);
}
html[data-theme="light"] .svc-card:hover { border-color: rgba(13, 162, 122, .45); }
html[data-theme="light"] .svc-no { border-color: rgba(13, 162, 122, .35); }
.svc-ico {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(53, 200, 255, .16), rgba(53, 200, 255, .03));
  border: 1px solid rgba(53, 200, 255, .16);
}
html[data-theme="light"] .svc-ico { background: linear-gradient(135deg, rgba(13, 162, 122, .14), rgba(13, 162, 122, .03)); border-color: rgba(13, 162, 122, .18); }
.svc-ico svg { width: 22px; height: 22px; fill: none; stroke: var(--accent-2); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.svc-card h3 { font-size: 20px; font-weight: 600; line-height: 1.4; color: var(--t-100); padding-right: 46px; }
.svc-tl { margin-top: 7px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--t-45); }
.svc-card p { margin-top: 13px; font-size: 14px; line-height: 1.78; color: var(--t-60); flex: 1; }
.svc-cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-size: 14px; font-weight: 600; color: var(--accent-2); }
.svc-cta svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s; }
.svc-card:hover .svc-cta svg { transform: translateX(4px); }
.svc-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 28px;
  margin-top: 22px; padding: 20px 26px; border-radius: 14px; border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(53, 200, 255, .07), transparent 62%);
}
html[data-theme="light"] .svc-bar { background: linear-gradient(90deg, rgba(13, 162, 122, .08), transparent 62%); }
.svc-bar > div { min-width: 0; }
.svc-bar .lbl { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--t-45); }
.svc-bar .val { margin-top: 6px; font-family: var(--font-mono); font-size: 15px; color: var(--t-85); }
.svc-bar .val b { color: var(--accent-2); font-weight: 600; }
@media (max-width: 1100px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .svc-grid { grid-template-columns: 1fr; } .svc-card { padding: 26px 22px 22px; } .svc-bar { padding: 18px 20px; } }

/* ---------- Header · 联系邮件图标按钮 ---------- */
.btn-contact {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 42px; height: 42px; padding: 0; border-radius: 999px;
  border: 1px solid var(--line-soft); background: transparent;
  color: var(--t-85);
  transition: border-color .25s, color .25s, background .25s, transform .2s;
}
.btn-contact svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn-contact:hover { border-color: rgba(53, 200, 255, .6); color: var(--ice); background: rgba(53, 200, 255, .07); transform: translateY(-1px); }
html[data-theme="light"] .btn-contact:hover { border-color: rgba(13, 162, 122, .6); color: var(--accent); background: rgba(13, 162, 122, .07); }
@media (max-width: 1100px) { .header-right .btn-contact { width: 36px; height: 36px; } .header-right .btn-contact svg { width: 17px; height: 17px; } }
@media (max-width: 760px) { .header-right .btn-contact { width: 33px; height: 33px; } .header-right .btn-contact svg { width: 16px; height: 16px; } }

/* ---------- 合作伙伴 · 申请表单 ---------- */
.pf-card {
  position: relative; overflow: hidden; max-width: 880px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 46px 52px 42px;
}
.pf-card::after {
  content: ''; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent-2), transparent 72%); opacity: .85;
}
.pf-head { text-align: center; margin-bottom: 34px; }
.pf-head .kicker { justify-content: center; }
.pf-head .kicker::after { content: ''; width: 26px; height: 2px; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.pf-head h2 { margin-top: 16px; font-size: 30px; font-weight: 700; }
.pf-head p { margin-top: 10px; font-size: 15px; color: var(--t-60); }
.pf-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.pf-item { display: flex; flex-direction: column; gap: 9px; min-width: 0; }
.pf-item.full { grid-column: 1 / -1; }
.pf-item label { font-size: 13.5px; font-weight: 600; color: var(--accent-2); }
.pf-item input, .pf-item textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line-soft); border-radius: 10px;
  padding: 13px 15px; color: var(--t-100); font-family: var(--font-cn); font-size: 14.5px;
  outline: none; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.pf-item input::placeholder, .pf-item textarea::placeholder { color: var(--t-45); }
.pf-item input:focus, .pf-item textarea:focus { border-color: rgba(53, 200, 255, .55); box-shadow: 0 0 0 3px rgba(53, 200, 255, .12); }
html[data-theme="light"] .pf-item input, html[data-theme="light"] .pf-item textarea { background: #FFFFFF; }
html[data-theme="light"] .pf-item input:focus, html[data-theme="light"] .pf-item textarea:focus { border-color: rgba(13, 162, 122, .55); box-shadow: 0 0 0 3px rgba(13, 162, 122, .12); }
.pf-phone { display: flex; gap: 10px; }
.pf-phone .cc { width: 112px; flex: none; }
.pf-phone .num { flex: 1; }
.pf-cap-row { display: flex; gap: 12px; align-items: stretch; }
.pf-cap-q {
  flex: none; display: inline-flex; align-items: center; justify-content: center; min-width: 96px; padding: 0 16px;
  border-radius: 10px; background: rgba(53, 200, 255, .1); border: 1px solid rgba(53, 200, 255, .3);
  font-family: var(--font-mono); font-size: 17px; font-weight: 600; color: var(--accent-2);
  letter-spacing: 3px; user-select: none;
}
html[data-theme="light"] .pf-cap-q { background: rgba(13, 162, 122, .1); border-color: rgba(13, 162, 122, .3); }
.pf-cap-in { flex: 1; min-width: 0; }
.pf-cap-btn {
  flex: none; width: 46px; border-radius: 10px; border: 1px solid var(--line-soft);
  background: transparent; color: var(--t-72); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; transition: color .2s, border-color .2s;
}
.pf-cap-btn:hover { color: var(--accent-2); border-color: rgba(53, 200, 255, .4); }
.pf-cap-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.pf-submit {
  grid-column: 1 / -1; width: 100%; margin-top: 8px; padding: 16px; border-radius: 12px; border: 0;
  background: var(--accent); color: var(--btn-ink); font-family: var(--font-cn); font-size: 16px; font-weight: 700;
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  transition: background .25s, box-shadow .25s, transform .25s;
}
.pf-submit:hover { background: #4DB5FF; box-shadow: 0 10px 30px rgba(46, 167, 255, .35); transform: translateY(-1px); }
html[data-theme="light"] .pf-submit:hover { background: var(--accent); box-shadow: 0 10px 30px rgba(15, 143, 110, .3); }
.pf-submit svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.pf-toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 16px); z-index: 99;
  background: var(--panel-hi); color: var(--t-100); border: 1px solid rgba(53, 200, 255, .4);
  padding: 13px 22px; border-radius: 999px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: opacity .35s, transform .35s;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .4);
}
html[data-theme="light"] .pf-toast { border-color: rgba(13, 162, 122, .4); box-shadow: 0 12px 34px rgba(18, 36, 27, .2); }
.pf-toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 760px) {
  .pf-card { padding: 30px 22px 26px; }
  .pf-form { grid-template-columns: 1fr; }
  .pf-head h2 { font-size: 24px; }
}

/* ---------- Topbar · 资质徽章布局 ---------- */
.tb-left { gap: 14px; }
.tb-badge {
  display: inline-flex; align-items: center; gap: 7px; flex: none;
  padding: 4px 13px; border-radius: 999px;
  border: 1px solid rgba(19, 221, 196, .35); background: rgba(19, 221, 196, .07);
  color: var(--teal); font-size: 12px; font-weight: 500; letter-spacing: .02em;
}
.tb-badge svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
html[data-theme="light"] .tb-badge { border-color: rgba(14, 156, 134, .35); background: rgba(14, 156, 134, .08); }
.tb-div { width: 1px; height: 14px; background: var(--line-soft); flex: none; }
.tb-desc { font-size: 13px; color: var(--t-65); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 1100px) { .tb-desc { display: none; } .tb-div { display: none; } }