/* ==========================================================================
   山东易网物联科技有限公司 - 官网样式表
   设计系统 / 组件库 / 响应式
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --brand: #00a851;
  --brand-dark: #007a3b;
  --brand-light: #3ecf7a;
  --cyan: #0cc4a5;
  --cyan-dark: #079a80;

  --ink-900: #0a1930;
  --ink-800: #10233f;
  --ink-700: #1c3355;
  --ink-600: #3d5273;
  --ink-500: #64789a;
  --ink-400: #93a4bd;
  --ink-300: #c3cede;
  --ink-200: #e2e8f2;
  --ink-100: #f1f5fb;
  --ink-50: #f7fafd;

  --grad-brand: linear-gradient(135deg, #007a3b 0%, #00a851 45%, #0cc4a5 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(0, 168, 81, .12), rgba(12, 196, 165, .12));
  --grad-dark: linear-gradient(160deg, #071711 0%, #0a2419 55%, #0d3d29 100%);

  --shadow-sm: 0 2px 8px rgba(10, 25, 48, .06);
  --shadow-md: 0 10px 30px rgba(10, 25, 48, .08);
  --shadow-lg: 0 24px 60px rgba(10, 25, 48, .14);
  --shadow-brand: 0 14px 34px rgba(0, 168, 81, .28);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;

  --wrap: 1200px;
  --nav-h: 74px;
  --ease: cubic-bezier(.22, .68, .35, 1);
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-700);
  background: #fff;
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

::selection { background: rgba(0, 168, 81, .2); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-100); }
::-webkit-scrollbar-thumb { background: #b9c6da; border-radius: 10px; border: 2px solid var(--ink-100); }
::-webkit-scrollbar-thumb:hover { background: var(--brand); }

/* ---------- 布局工具 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section--tight { padding: 68px 0; }
.section--soft { background: var(--ink-50); }
.section--dark { background: var(--grad-dark); color: #fff; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.center { text-align: center; }

/* ---------- 标题组 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--brand);
  background: var(--grad-brand-soft);
  border: 1px solid rgba(0, 168, 81, .18);
  padding: 7px 16px; border-radius: 100px; margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 0 4px rgba(0, 168, 81, .16);
}
.section--dark .eyebrow { color: #7fe0bd; background: rgba(127, 224, 189, .1); border-color: rgba(127, 224, 189, .25); }
.section--dark .eyebrow::before { background: #7fe0bd; box-shadow: 0 0 0 4px rgba(127, 224, 189, .18); }

.sec-title {
  font-size: clamp(27px, 3.4vw, 42px);
  line-height: 1.28; font-weight: 700; color: var(--ink-900);
  letter-spacing: -.01em; margin-bottom: 16px;
}
.section--dark .sec-title { color: #fff; }
.sec-sub { font-size: 16.5px; color: var(--ink-500); max-width: 720px; line-height: 1.85; }
.center .sec-sub { margin-left: auto; margin-right: auto; }
.section--dark .sec-sub { color: rgba(255, 255, 255, .72); }
.sec-head { margin-bottom: 52px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: 100px;
  font-size: 15.5px; font-weight: 600; line-height: 1;
  transition: all .28s var(--ease); white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn svg { width: 17px; height: 17px; flex: none; transition: transform .28s var(--ease); }
.btn:hover svg.arrow { transform: translateX(4px); }

.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 20px 44px rgba(0, 168, 81, .38); }

.btn-ghost { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .3); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .6); transform: translateY(-3px); }

.btn-outline { background: #fff; color: var(--brand); border-color: rgba(0, 168, 81, .35); }
.btn-outline:hover { background: var(--brand); color: #fff; border-color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow-brand); }

.btn-sm { padding: 11px 22px; font-size: 14.5px; }
.btn-lg { padding: 17px 38px; font-size: 16.5px; }

/* ---------- 导航栏 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h); display: flex; align-items: center;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.solid {
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 rgba(10, 25, 48, .07), 0 6px 24px rgba(10, 25, 48, .05);
  border-color: transparent;
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo-img { height: 50px; width: auto; display: block; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  background: var(--grad-brand); display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(0, 168, 81, .32);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-txt { line-height: 1.15; }
.logo-txt b { display: block; font-size: 17.5px; font-weight: 700; color: var(--ink-900); letter-spacing: .02em; transition: color .35s; }
.logo-txt span { font-size: 10.5px; letter-spacing: .19em; color: var(--ink-400); text-transform: uppercase; transition: color .35s; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li > a {
  display: block; padding: 10px 17px; border-radius: 10px;
  font-size: 15.5px; font-weight: 500; color: var(--ink-600);
  transition: color .25s, background .25s; position: relative;
}
.nav-links > li > a:hover { color: var(--brand); background: rgba(0, 168, 81, .07); }
.nav-links > li > a.active { color: var(--brand); font-weight: 600; }
.nav-links > li > a.active::after {
  content: ""; position: absolute; left: 17px; right: 17px; bottom: 2px; height: 2px;
  background: var(--grad-brand); border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; color: var(--ink-800); }
.nav-phone svg { width: 18px; height: 18px; color: var(--brand); }

/* 首页透明态（深色 Hero 上） */
.nav.on-dark:not(.solid) .logo-txt b { color: #fff; }
.nav.on-dark:not(.solid) .logo-txt span { color: rgba(255, 255, 255, .55); }
.nav.on-dark:not(.solid) .nav-links > li > a { color: rgba(255, 255, 255, .82); }
.nav.on-dark:not(.solid) .nav-links > li > a:hover { color: #fff; background: rgba(255, 255, 255, .12); }
.nav.on-dark:not(.solid) .nav-links > li > a.active { color: #fff; }
.nav.on-dark:not(.solid) .nav-phone { color: #fff; }
.nav.on-dark:not(.solid) .nav-phone svg { color: #7fe0bd; }
.nav.on-dark:not(.solid) .burger span { background: #fff; }

.burger { display: none; width: 44px; height: 44px; border-radius: 10px; place-items: center; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink-800); border-radius: 2px; transition: .3s; }
.burger span + span { margin-top: 5px; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; padding: calc(var(--nav-h) + 60px) 0 90px;
  display: flex; align-items: center; overflow: hidden;
  background: #06121f;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(4, 18, 12, .95) 0%, rgba(6, 34, 22, .82) 42%, rgba(8, 56, 36, .48) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 65% at 30% 45%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 65% at 30% 45%, #000 20%, transparent 78%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-inner { max-width: 1180px; display: grid; grid-template-columns: minmax(0, 1fr) 380px; align-items: center; gap: 56px; }
.hero-copy { max-width: 640px; }

/* Hero 资质徽章条 */
.hero-badges {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 18px 9px 10px; margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(8px);
}
.hero-badges .hb-tag {
  flex: none; padding: 4px 11px; border-radius: 999px;
  background: var(--grad-brand);
  color: #fff; font-size: 12.5px; font-weight: 700; letter-spacing: .08em;
}
.hero-badges .hb-text { font-size: 13.5px; color: rgba(255, 255, 255, .85); letter-spacing: .02em; }

/* Hero 右侧数据面板（通透玻璃质感，融入背景） */
.hero-panel { position: relative; }
.hp-card {
  position: relative;
  background: linear-gradient(160deg, rgba(6, 30, 22, .38), rgba(4, 18, 14, .46));
  border: 1px solid rgba(127, 224, 189, .22);
  border-radius: 20px;
  padding: 22px 20px 20px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .22), inset 0 1px 0 rgba(255, 255, 255, .07);
  backdrop-filter: blur(22px) saturate(140%);
}
.hp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.hp-head b { color: rgba(255, 255, 255, .92); font-size: 15.5px; letter-spacing: .02em; }
.hp-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: rgba(127, 224, 189, .9); }
.hp-status i { width: 7px; height: 7px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .22); animation: hpPulse 2s infinite; }
@keyframes hpPulse { 0%,100% { box-shadow: 0 0 0 3px rgba(52,211,153,.22);} 50% { box-shadow: 0 0 0 6px rgba(52,211,153,.08);} }
.hp-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; margin-bottom: 10px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 13px;
  transition: background .3s, border-color .3s;
}
.hp-row:hover { background: rgba(127, 224, 189, .08); border-color: rgba(127, 224, 189, .2); }
.hp-ico {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 168, 81, .3), rgba(12, 196, 165, .16));
  border: 1px solid rgba(127, 224, 189, .24);
  display: grid; place-items: center;
}
.hp-ico svg { width: 19px; height: 19px; color: rgba(127, 224, 189, .95); }
.hp-info { flex: 1; min-width: 0; }
.hp-info b { display: block; color: rgba(255, 255, 255, .92); font-size: 14px; font-weight: 600; line-height: 1.3; }
.hp-info span { font-size: 12px; color: rgba(255, 255, 255, .48); }
.hp-ok, .hp-num { flex: none; font-style: normal; font-size: 12px; font-weight: 600; }
.hp-ok { color: rgba(127, 224, 189, .95); }
.hp-num { color: rgba(76, 201, 240, .9); }
.hp-chart { display: flex; align-items: flex-end; gap: 7px; height: 72px; padding: 14px 4px 6px; }
.hp-chart i {
  flex: 1; height: var(--h, 50%); border-radius: 4px 4px 2px 2px;
  background: linear-gradient(180deg, rgba(62, 207, 122, .8), rgba(12, 196, 165, .22));
  opacity: .8;
  animation: hpBar 1.2s var(--ease) both;
  transform-origin: bottom;
}
.hp-chart i:nth-child(odd) { animation-delay: .15s; }
@keyframes hpBar { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.hp-badge {
  position: absolute; right: -14px; bottom: -18px;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; border-radius: 14px;
  background: rgba(5, 24, 18, .55);
  border: 1px solid rgba(127, 224, 189, .25);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
  backdrop-filter: blur(18px) saturate(140%);
}
.hp-badge svg { width: 20px; height: 20px; color: rgba(127, 224, 189, .95); flex: none; }
.hp-badge b { display: block; color: rgba(255, 255, 255, .92); font-size: 13px; line-height: 1.3; }
.hp-badge span { font-size: 11.5px; color: rgba(255, 255, 255, .55); }
.hero h1 {
  font-size: clamp(33px, 5vw, 60px); line-height: 1.16; color: #fff;
  font-weight: 700; letter-spacing: -.02em; margin-bottom: 24px;
}
.hero h1 .hl {
  background: linear-gradient(100deg, #5ee9a8 0%, #a8f5cd 50%, #3ecf7a 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lead { font-size: clamp(16px, 1.5vw, 18.5px); color: rgba(255, 255, 255, .78); line-height: 1.85; max-width: 600px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 54px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 46px; border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 32px; }
.hero-stat b { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 700; color: #fff; line-height: 1.1; letter-spacing: -.02em; }
.hero-stat b .u { font-size: .55em; margin-left: 3px; color: #7fe0bd; font-weight: 600; }
.hero-stat span { font-size: 14px; color: rgba(255, 255, 255, .6); }

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 42px; border: 2px solid rgba(255, 255, 255, .35); border-radius: 14px;
  display: grid; place-items: start center; padding-top: 7px;
}
.hero-scroll i { width: 4px; height: 8px; border-radius: 4px; background: #7fe0bd; animation: scrollDot 1.9s var(--ease) infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }

/* ---------- 页面头部（内页） ---------- */
.pagehead {
  position: relative; padding: calc(var(--nav-h) + 76px) 0 76px;
  background: var(--grad-dark); color: #fff; overflow: hidden;
}
.pagehead::before {
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 70% 80% at 20% 30%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 20% 30%, #000 10%, transparent 75%);
}
.pagehead::after {
  content: ""; position: absolute; width: 460px; height: 460px; right: -120px; top: -160px;
  background: radial-gradient(circle, rgba(12, 196, 165, .3), transparent 66%); border-radius: 50%;
}
.pagehead .wrap { position: relative; z-index: 2; }
.pagehead h1 { font-size: clamp(29px, 4vw, 46px); font-weight: 700; letter-spacing: -.015em; margin-bottom: 14px; }
.pagehead p { color: rgba(255, 255, 255, .74); font-size: 16.5px; max-width: 640px; line-height: 1.85; }
.crumb { display: flex; align-items: center; gap: 9px; font-size: 14px; color: rgba(255, 255, 255, .55); margin-bottom: 20px; }
.crumb a:hover { color: #7fe0bd; }
.crumb i { opacity: .5; }

/* ---------- 卡片通用 ---------- */
.card {
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  position: relative; overflow: hidden; height: 100%;
}
.card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: rgba(0, 168, 81, .22); }
.card:hover::before { transform: scaleX(1); }

.icon-box {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-brand-soft); border: 1px solid rgba(0, 168, 81, .16); margin-bottom: 22px;
  transition: all .35s var(--ease);
}
.icon-box svg { width: 28px; height: 28px; color: var(--brand); transition: color .35s; }
.card:hover .icon-box { background: var(--grad-brand); border-color: transparent; box-shadow: var(--shadow-brand); }
.card:hover .icon-box svg { color: #fff; }

.card h3 { font-size: 19.5px; font-weight: 700; color: var(--ink-900); margin-bottom: 11px; }
.card p { font-size: 15px; color: var(--ink-500); line-height: 1.8; }
.card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag {
  font-size: 12.5px; color: var(--brand); background: rgba(0, 168, 81, .08);
  padding: 4px 12px; border-radius: 100px; font-weight: 500;
}

/* ---------- 产品卡 ---------- */
.product-card {
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  overflow: hidden; height: 100%; display: flex; flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(0, 168, 81, .25); }
.pc-visual {
  height: 168px; position: relative; display: grid; place-items: center; overflow: hidden;
  background: var(--grad-dark);
}
.pc-visual::before {
  content: ""; position: absolute; inset: 0; opacity: .55;
  background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 26px 26px;
}
.pc-visual svg { width: 74px; height: 74px; position: relative; z-index: 2; color: #fff; opacity: .95; }
.pc-visual .glow { position: absolute; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(12, 196, 165, .45), transparent 68%); }
.pc-body { padding: 26px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.pc-body h3 { font-size: 19px; font-weight: 700; color: var(--ink-900); margin-bottom: 9px; }
.pc-body > p { font-size: 14.5px; color: var(--ink-500); line-height: 1.78; margin-bottom: 16px; }
.pc-list { margin-bottom: 20px; }
.pc-list li { font-size: 14.5px; color: var(--ink-600); padding: 5px 0 5px 24px; position: relative; }
.pc-list li::before {
  content: ""; position: absolute; left: 2px; top: 13px; width: 13px; height: 13px; border-radius: 50%;
  background: var(--grad-brand); opacity: .16;
}
.pc-list li::after {
  content: ""; position: absolute; left: 7px; top: 17px; width: 3px; height: 6px;
  border-right: 1.8px solid var(--brand); border-bottom: 1.8px solid var(--brand);
  transform: rotate(42deg);
}
.pc-foot { margin-top: auto; padding-top: 6px; }
.pc-link { display: inline-flex; align-items: center; gap: 7px; font-size: 14.5px; font-weight: 600; color: var(--brand); }
.pc-link svg { width: 16px; height: 16px; transition: transform .28s var(--ease); }
.product-card:hover .pc-link svg { transform: translateX(4px); }

/* ---------- 解决方案（图文左右） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-media { position: relative; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.split-media .badge {
  position: absolute; left: 20px; bottom: 20px; z-index: 2;
  background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px);
  padding: 14px 20px; border-radius: var(--radius); box-shadow: var(--shadow-md);
}
.split-media .badge b { display: block; font-size: 22px; color: var(--brand); font-weight: 700; line-height: 1.1; }
.split-media .badge span { font-size: 12.5px; color: var(--ink-500); }
.split-body h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; color: var(--ink-900); line-height: 1.32; margin-bottom: 18px; letter-spacing: -.01em; }
.split-body p { font-size: 16px; color: var(--ink-500); line-height: 1.88; margin-bottom: 24px; }

.feature-list { display: grid; gap: 16px; margin-bottom: 30px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .fi {
  width: 34px; height: 34px; border-radius: 10px; flex: none; display: grid; place-items: center;
  background: var(--grad-brand-soft); border: 1px solid rgba(0, 168, 81, .16);
}
.feature-list .fi svg { width: 18px; height: 18px; color: var(--brand); }
.feature-list b { display: block; font-size: 15.5px; color: var(--ink-900); font-weight: 600; }
.feature-list span { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

/* ---------- 优势 / 数字 ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); overflow: hidden; border: 1px solid var(--ink-200); }
.stat-item { padding: 40px 26px; text-align: center; position: relative; }
.stat-item + .stat-item::before { content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 1px; background: var(--ink-200); }
.stat-item b { display: block; font-size: clamp(30px, 3.6vw, 44px); font-weight: 700; letter-spacing: -.02em; line-height: 1.05; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item b .u { font-size: .5em; }
.stat-item span { display: block; margin-top: 8px; font-size: 14.5px; color: var(--ink-500); }

/* ---------- 行业卡片 ---------- */
.industry {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 260px;
  display: flex; align-items: flex-end; padding: 28px; color: #fff;
  background: var(--grad-dark); border: 1px solid rgba(255, 255, 255, .08);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.industry:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.industry::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.industry .ind-icon { position: absolute; top: 24px; left: 24px; width: 52px; height: 52px; border-radius: 14px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); display: grid; place-items: center; backdrop-filter: blur(6px); }
.industry .ind-icon svg { width: 26px; height: 26px; color: #7fe0bd; }
.industry .ind-body { position: relative; z-index: 2; }
.industry h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.industry p { font-size: 14px; color: rgba(255, 255, 255, .68); line-height: 1.72; }
.industry .ind-hover {
  position: absolute; right: 24px; bottom: 26px; width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad-brand); display: grid; place-items: center; opacity: 0; transform: translateY(8px);
  transition: all .35s var(--ease);
}
.industry .ind-hover svg { width: 18px; height: 18px; color: #fff; }
.industry:hover .ind-hover { opacity: 1; transform: translateY(0); }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.step { position: relative; padding-top: 14px; }
.step .num {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  font-size: 19px; font-weight: 700; color: #fff; background: var(--grad-brand);
  box-shadow: var(--shadow-brand); margin-bottom: 20px; position: relative; z-index: 2;
}
.step h4 { font-size: 17.5px; font-weight: 700; color: var(--ink-900); margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-500); line-height: 1.75; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 38px; left: 66px; right: -14px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--ink-300) 0 8px, transparent 8px 16px);
}
.steps--dark .step h4 { color: #fff; }
.steps--dark .step p { color: rgba(255, 255, 255, .68); }
.steps--dark .step:not(:last-child)::after { background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .3) 0 8px, transparent 8px 16px); }

/* ---------- 客户 / 合作伙伴 ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.logo-chip {
  height: 92px; border-radius: var(--radius); background: #fff; border: 1px solid var(--ink-200);
  display: grid; place-items: center; font-size: 15px; font-weight: 600; color: var(--ink-400);
  letter-spacing: .02em; transition: all .3s var(--ease);
}
.logo-chip:hover { color: var(--brand); border-color: rgba(0, 168, 81, .3); box-shadow: var(--shadow-md); transform: translateY(-3px); }

/* ---------- 案例 / 数据大屏 mock ---------- */
.mock {
  background: #071711; border-radius: var(--radius-lg); border: 1px solid rgba(255, 255, 255, .1);
  padding: 22px; box-shadow: var(--shadow-lg); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.mock-bar i:nth-child(1) { background: #ff5f57; }
.mock-bar i:nth-child(2) { background: #febc2e; }
.mock-bar i:nth-child(3) { background: #28c840; }
.mock-bar span { margin-left: auto; font-size: 12px; color: rgba(255, 255, 255, .45); }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.mock-kpi { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); border-radius: 12px; padding: 14px 16px; }
.mock-kpi span { font-size: 11.5px; color: rgba(255, 255, 255, .5); display: block; }
.mock-kpi b { font-size: 21px; color: #7fe0bd; font-weight: 700; }
.mock-chart { height: 130px; display: flex; align-items: flex-end; gap: 8px; padding: 12px 4px 0; }
.mock-chart i { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, #3ecf7a, #007a3b); animation: barRise 1.2s var(--ease) backwards; }
@keyframes barRise { from { height: 0 !important; opacity: 0; } }
.mock-legend { display: flex; gap: 18px; margin-top: 14px; }
.mock-legend span { font-size: 12px; color: rgba(255, 255, 255, .6); display: flex; align-items: center; gap: 7px; }
.mock-legend i { width: 10px; height: 10px; border-radius: 3px; display: block; }

/* ---------- CTA 区块 ---------- */
.cta {
  position: relative; border-radius: var(--radius-xl); overflow: hidden; padding: 66px 60px;
  background: var(--grad-dark); color: #fff; text-align: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: radial-gradient(circle at 15% 20%, rgba(12, 196, 165, .28), transparent 45%),
                    radial-gradient(circle at 85% 80%, rgba(0, 168, 81, .3), transparent 45%);
}
.cta::after {
  content: ""; position: absolute; inset: 0; opacity: .35;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 60% 90% at 50% 50%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 90% at 50% 50%, #000 10%, transparent 80%);
}
.cta > * { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; margin-bottom: 16px; letter-spacing: -.015em; }
.cta p { color: rgba(255, 255, 255, .75); font-size: 17px; max-width: 620px; margin: 0 auto 34px; line-height: 1.8; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14.5px; font-weight: 600; color: var(--ink-800); }
.field label .req { color: #e5484d; margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--ink-200); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink-800); transition: border-color .25s, box-shadow .25s; font-size: 15px;
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(0, 168, 81, .12);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-400); }
.form-note { font-size: 13.5px; color: var(--ink-400); margin-top: 6px; }
.form-msg { display: none; padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14.5px; margin-top: 6px; }
.form-msg.ok { display: block; background: rgba(12, 196, 165, .1); color: var(--cyan-dark); border: 1px solid rgba(12, 196, 165, .3); }

/* 联系信息卡 */
.contact-card { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--ink-200); transition: all .3s var(--ease); }
.contact-card:hover { box-shadow: var(--shadow-md); border-color: rgba(0, 168, 81, .25); }
.contact-card .ci { width: 48px; height: 48px; border-radius: 13px; flex: none; display: grid; place-items: center; background: var(--grad-brand-soft); border: 1px solid rgba(0, 168, 81, .16); }
.contact-card .ci svg { width: 23px; height: 23px; color: var(--brand); }
.contact-card b { display: block; font-size: 15.5px; color: var(--ink-900); margin-bottom: 4px; }
.contact-card span { font-size: 14.5px; color: var(--ink-500); line-height: 1.7; }

/* ---------- 关于: 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--cyan), transparent); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 5px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand); box-shadow: 0 0 0 4px rgba(0, 168, 81, .14);
}
.tl-item .yr { font-size: 14px; font-weight: 700; color: var(--brand); letter-spacing: .05em; margin-bottom: 5px; }
.tl-item h4 { font-size: 18px; font-weight: 700; color: var(--ink-900); margin-bottom: 7px; }
.tl-item p { font-size: 15px; color: var(--ink-500); line-height: 1.8; }

/* 资质证书 */
.cert { border-radius: var(--radius); border: 1px solid var(--ink-200); background: #fff; padding: 24px; display: flex; gap: 16px; align-items: center; transition: all .3s var(--ease); height: 100%; }
.cert:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(0, 168, 81, .25); }
.cert .cicon { width: 48px; height: 48px; border-radius: 12px; flex: none; display: grid; place-items: center; background: var(--grad-brand); box-shadow: var(--shadow-brand); }
.cert .cicon svg { width: 24px; height: 24px; color: #fff; }
.cert b { font-size: 15.5px; color: var(--ink-900); display: block; }
.cert span { font-size: 13.5px; color: var(--ink-400); line-height: 1.6; }

/* 资质高亮条（科技型中小企业等重点资质） */
.qual-highlight {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: var(--grad-brand-soft); border: 1px solid rgba(0, 168, 81, .2);
  border-radius: var(--radius-lg); padding: 28px 32px; margin-bottom: 8px;
  position: relative; overflow: hidden;
}
.qual-highlight::before {
  content: ""; position: absolute; right: -50px; top: -60px; width: 210px; height: 210px;
  background: radial-gradient(circle, rgba(12, 196, 165, .26), transparent 68%); border-radius: 50%;
}
.qual-highlight .qh-icon {
  width: 60px; height: 60px; flex: none; border-radius: 16px; display: grid; place-items: center;
  background: var(--grad-brand); box-shadow: var(--shadow-brand); position: relative; z-index: 2;
}
.qual-highlight .qh-icon svg { width: 30px; height: 30px; color: #fff; }
.qual-highlight h3 { font-size: 20px; font-weight: 700; color: var(--ink-900); margin-bottom: 6px; }
.qual-highlight p { font-size: 14.5px; color: var(--ink-600); line-height: 1.78; max-width: 720px; }
.qual-highlight .qh-tag {
  margin-left: auto; font-size: 13.5px; font-weight: 600; color: var(--brand);
  background: #fff; border: 1px solid rgba(0, 168, 81, .25);
  padding: 8px 18px; border-radius: 100px; position: relative; z-index: 2; white-space: nowrap;
}

/* 资质分组标题 */
.cert-group { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin: 48px 0 24px; }
.cert-group::before { content: ""; width: 5px; height: 22px; border-radius: 3px; background: var(--grad-brand); flex: none; align-self: center; }
.cert-group h3 { font-size: 21px; font-weight: 700; color: var(--ink-900); }
.cert-group p { font-size: 14px; color: var(--ink-400); }

/* ---------- 页脚 ---------- */
.footer { background: #071711; color: rgba(255, 255, 255, .62); padding: 74px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 44px; padding-bottom: 52px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14.5px; color: rgba(255, 255, 255, .6); transition: color .25s, padding-left .25s; }
.footer-links a:hover { color: #7fe0bd; padding-left: 5px; }
.footer-about p { font-size: 14.5px; line-height: 1.85; margin: 18px 0 22px; color: rgba(255, 255, 255, .6); }
.footer-contact li { display: flex; gap: 11px; margin-bottom: 14px; font-size: 14.5px; line-height: 1.6; }
.footer-contact svg { width: 19px; height: 19px; color: #7fe0bd; flex: none; margin-top: 2px; }
.footer .logo-img { height: 58px; }
.footer .logo-txt b { color: #fff; }
.footer .logo-txt span { color: rgba(255, 255, 255, .45); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 24px 0; font-size: 13.5px; color: rgba(255, 255, 255, .45); }
.footer-bottom a:hover { color: #7fe0bd; }
.footer-bottom .fnav { display: flex; gap: 22px; flex-wrap: wrap; }
/* 工信部备案号链接：默认与版权文字一致，悬停时高亮 */
.footer-bottom a.icp { color: rgba(255, 255, 255, .45); transition: color .25s; }
.footer-bottom a.icp:hover { color: #7fe0bd; text-decoration: underline; }

/* ---------- 关联企业 ---------- */
.footer-group {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .1);
}
.footer-group .fg-label {
  font-size: 12.5px; letter-spacing: .12em; color: rgba(255, 255, 255, .4);
  flex: none;
}
.footer-group .fg-link {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 18px; border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .82); font-size: 14px;
  cursor: pointer;
  transition: background .25s, border-color .25s, transform .25s, color .25s, box-shadow .25s;
}
.footer-group .fg-link:hover {
  background: rgba(0, 168, 81, .22);
  border-color: rgba(127, 224, 189, .65);
  color: #fff; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 81, .25);
}
.footer-group .fg-link > svg:first-child { width: 17px; height: 17px; color: #7fe0bd; flex: none; }
.footer-group .fg-link b { font-weight: 600; white-space: nowrap; flex: none; }
.footer-group .fg-link:hover b { color: #7fe0bd; }

@media (max-width: 620px) {
  .footer-group { gap: 12px; padding-right: 62px; }
  .footer-group .fg-link { padding: 12px 16px; gap: 9px; }
  .footer-group .fg-link b { font-size: 13.5px; }
}

/* ---------- 悬浮咨询按钮 ---------- */
.float-tools { position: fixed; right: 22px; bottom: 32px; z-index: 800; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
  width: 54px; height: 54px; border-radius: 16px; background: #fff; border: 1px solid var(--ink-200);
  display: grid; place-items: center; box-shadow: var(--shadow-md); transition: all .3s var(--ease);
  position: relative;
}
.float-btn svg { width: 24px; height: 24px; color: var(--brand); }
.float-btn:hover { background: var(--grad-brand); transform: translateY(-4px); box-shadow: var(--shadow-brand); }
.float-btn:hover svg { color: #fff; }
.float-btn .tip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--ink-900); color: #fff; font-size: 13px; padding: 8px 14px; border-radius: 8px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: all .3s var(--ease);
}
.float-btn:hover .tip { opacity: 1; transform: translateY(-50%) translateX(0); }
.float-btn.top { opacity: 0; pointer-events: none; }
.float-btn.top.show { opacity: 1; pointer-events: auto; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .burger { display: grid; }
  .nav-phone { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: #fff; padding: 16px 20px 26px; box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--ink-200); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
  }
  .nav-links.open > li > a { padding: 14px 16px; font-size: 16.5px; color: var(--ink-700) !important; border-radius: 12px; }
  .nav-links.open > li > a.active { background: rgba(0, 168, 81, .08); }
  .nav-links.open > li > a.active::after { display: none; }
  .nav-links.open + .nav-cta .btn { display: none; }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .industries-3 { grid-template-columns: repeat(2, 1fr) !important; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .step:nth-child(2)::after { display: none; }
  .split { grid-template-columns: 1fr; gap: 38px; }
  .split.rev .split-media { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 38px; }

  /* Hero：单栏布局，面板移到文案下方 */
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 700px; }
  .hero-panel { max-width: 420px; }
  .hp-badge { right: 10px; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .section { padding: 68px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }
  .stat-item:nth-child(odd)::before { display: none; }
  .cta { padding: 48px 26px; }
  .hero-stats { gap: 30px; }
  .form-grid { grid-template-columns: 1fr; }
  .qual-highlight { padding: 24px 22px; gap: 18px; }
  .qual-highlight .qh-tag { margin-left: 0; }
  .cert-group { margin: 40px 0 20px; }

  /* 导航紧凑化，防止小屏挤压溢出 */
  .nav .wrap { gap: 10px; }
  .logo { gap: 9px; min-width: 0; }
  .logo-img { height: 38px; }
  .logo-txt b { font-size: 15.5px; }
  .logo-txt span { font-size: 9.5px; letter-spacing: .14em; }
  .nav-cta { gap: 8px; flex: none; }

  /* 表格在窄屏横向滚动，避免撑破布局 */
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-scroll table { min-width: 640px; }
  .mock { max-width: 100%; }
}

@media (max-width: 620px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .industries-3 { grid-template-columns: 1fr !important; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none !important; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-item + .stat-item::before { display: none; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .hero-stats { gap: 26px 34px; }
  .hero-stat { min-width: 40%; }
  .hero-badges { padding: 8px 14px 8px 8px; gap: 8px; }
  .hero-badges .hb-text { font-size: 12px; }
  .hero-panel { max-width: 100%; }
  .hp-card { padding: 18px 16px 16px; }
  .hp-badge { right: 6px; bottom: -14px; padding: 9px 14px; }
  .hp-chart { height: 56px; }
  .float-tools { right: 14px; bottom: 20px; }
  .section { padding: 56px 0; }

  /* 更窄屏幕：进一步压缩导航，隐藏顶部拨号文字 */
  .wrap { padding: 0 18px; }
  .logo-img { height: 32px; }
  .logo-txt b { font-size: 14px; }
  .logo-txt span { display: none; }
  .nav-phone { display: none; }
  .nav-cta .btn { padding: 0 14px; height: 38px; font-size: 13.5px; }
  .burger { width: 40px; height: 40px; }

  /* 平台数据卡内边距收紧 */
  .mock { padding: 14px; }
  .mock-kpi b { font-size: 15px; }
  .mock-grid { gap: 8px; }

  /* 统计数字换行更自然 */
  .stat-item b { font-size: 26px; }

  /* 表格横向滚动 */
  .table-scroll table { min-width: 560px; }
}

/* ==========================================================================
   新闻资讯模块（栏目页 / 文章详情页）
   ========================================================================== */

/* ---------- 置顶文章 ---------- */
.news-top {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 0;
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-xl);
  overflow: hidden; box-shadow: var(--shadow-md);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.news-top:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0, 168, 81, .24); }
.news-top-media {
  position: relative; min-height: 320px; padding: 44px 40px;
  background: var(--grad-dark); color: #fff; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.news-top-media::before {
  content: ""; position: absolute; inset: 0; opacity: .45;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 80% at 25% 30%, #000 10%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 25% 30%, #000 10%, transparent 78%);
}
.news-top-media::after {
  content: ""; position: absolute; width: 340px; height: 340px; right: -110px; top: -110px;
  background: radial-gradient(circle, rgba(12, 196, 165, .34), transparent 66%); border-radius: 50%;
}
.news-top-media > * { position: relative; z-index: 2; }
.news-top-media .nt-label {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  font-size: 12.5px; font-weight: 600; letter-spacing: .1em;
  color: #7fe0bd; background: rgba(127, 224, 189, .12);
  border: 1px solid rgba(127, 224, 189, .28); padding: 6px 14px; border-radius: 100px; margin-bottom: 20px;
}
.news-top-media h3 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.45; color: #fff; margin-bottom: 14px; }
.news-top-media p { font-size: 15px; color: rgba(255, 255, 255, .76); line-height: 1.85; }
.news-top-body { padding: 44px 40px; display: flex; flex-direction: column; justify-content: center; }
.news-top-body h3 { font-size: clamp(21px, 2.4vw, 27px); line-height: 1.45; color: var(--ink-900); margin-bottom: 14px; }
.news-top-body p { font-size: 15.5px; color: var(--ink-500); line-height: 1.9; margin-bottom: 22px; }

/* ---------- 分类筛选 ---------- */
.news-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.news-tab {
  font-family: inherit; font-size: 14.5px; font-weight: 500; color: var(--ink-600);
  background: #fff; border: 1px solid var(--ink-200); border-radius: 100px;
  padding: 9px 20px; cursor: pointer; transition: all .26s var(--ease);
}
.news-tab:hover { color: var(--brand); border-color: rgba(0, 168, 81, .35); }
.news-tab.active { color: #fff; background: var(--grad-brand); border-color: transparent; box-shadow: var(--shadow-brand); }

/* ---------- 文章卡片 ---------- */
.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.post-card {
  position: relative; overflow: hidden; height: 100%;
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--ink-200); border-radius: var(--radius-lg);
  padding: 30px 28px 26px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.post-card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.post-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: rgba(0, 168, 81, .22); }
.post-card:hover::before { transform: scaleX(1); }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-500); margin-bottom: 14px; }
.post-cat {
  font-size: 12.5px; font-weight: 500; color: var(--brand);
  background: rgba(0, 168, 81, .08); padding: 3px 12px; border-radius: 100px;
}
.post-card h3 { font-size: 18.5px; line-height: 1.5; color: var(--ink-900); margin-bottom: 10px; }
.post-card > p { font-size: 14.5px; color: var(--ink-500); line-height: 1.85; flex: 1; margin-bottom: 18px; }
.post-more { font-size: 14.5px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }
.post-more svg { width: 16px; height: 16px; flex: none; transition: transform .28s var(--ease); }
.post-card:hover .post-more svg, .news-top:hover .post-more svg { transform: translateX(4px); }
.news-top .post-more { align-self: flex-start; }
.post-empty { grid-column: 1 / -1; text-align: center; color: var(--ink-500); padding: 60px 0; }

/* ---------- 文章详情页 ---------- */
.article { max-width: 820px; margin: 0 auto; }
.article-lead {
  font-size: 17.5px; line-height: 1.95; color: var(--ink-600);
  padding-left: 20px; border-left: 3px solid var(--brand); margin-bottom: 34px;
}
.article h2 { font-size: clamp(21px, 2.5vw, 25px); color: var(--ink-900); line-height: 1.5; margin: 40px 0 14px; }
.article h3 { font-size: 18.5px; color: var(--ink-900); line-height: 1.55; margin: 26px 0 10px; }
.article p { font-size: 16px; line-height: 1.95; color: var(--ink-600); margin-bottom: 16px; }
.article ul, .article ol { margin: 0 0 18px 22px; }
.article li { font-size: 16px; line-height: 1.9; color: var(--ink-600); margin-bottom: 8px; }
.article li b, .article p b { color: var(--ink-800); }
.article a { color: var(--brand); font-weight: 500; border-bottom: 1px solid rgba(0, 168, 81, .3); }
.article a:hover { border-bottom-color: var(--brand); }
.article .table-scroll { margin: 6px 0 22px; }
.article table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.article th, .article td { border: 1px solid var(--ink-200); padding: 11px 14px; text-align: left; color: var(--ink-600); }
.article th { background: var(--ink-50); color: var(--ink-900); font-weight: 600; white-space: nowrap; }
.article-note {
  background: var(--grad-brand-soft); border-left: 3px solid var(--brand);
  border-radius: var(--radius); padding: 18px 22px; margin: 8px 0 24px;
  font-size: 15.5px; line-height: 1.9; color: var(--ink-700);
}
.article-cta {
  margin-top: 44px; padding: 32px 34px; border-radius: var(--radius-lg);
  background: var(--grad-dark); color: #fff; text-align: center; position: relative; overflow: hidden;
}
.article-cta::after {
  content: ""; position: absolute; width: 300px; height: 300px; right: -100px; top: -120px;
  background: radial-gradient(circle, rgba(12, 196, 165, .3), transparent 66%); border-radius: 50%;
}
.article-cta h3 { position: relative; z-index: 2; font-size: 21px; color: #fff; margin-bottom: 10px; }
.article-cta p { position: relative; z-index: 2; font-size: 15px; color: rgba(255, 255, 255, .76); margin-bottom: 22px; }
.article-cta .btn { position: relative; z-index: 2; }

/* ---------- 上/下一篇 ---------- */
.post-nav { max-width: 820px; margin: 46px auto 0; display: flex; gap: 18px; flex-wrap: wrap; }
.post-nav a {
  flex: 1 1 240px; background: #fff; border: 1px solid var(--ink-200);
  border-radius: var(--radius); padding: 20px 22px; transition: all .3s var(--ease);
}
.post-nav a:hover { border-color: rgba(0, 168, 81, .3); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.post-nav span { display: block; font-size: 13px; color: var(--ink-500); margin-bottom: 6px; }
.post-nav b { font-size: 15.5px; color: var(--ink-900); font-weight: 600; line-height: 1.6; }

/* ---------- 新闻模块响应式 ---------- */
@media (max-width: 1080px) {
  .post-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .news-top { grid-template-columns: 1fr; }
  .news-top-media { min-height: 0; padding: 34px 28px; }
  .news-top-body { padding: 30px 28px; }
  .article-cta { padding: 28px 24px; }
}
@media (max-width: 620px) {
  .post-list { grid-template-columns: 1fr; }
  .news-tabs { gap: 8px; }
  .news-tab { padding: 8px 15px; font-size: 13.5px; }
  .post-card { padding: 26px 22px 22px; }
  .article-lead { font-size: 16px; padding-left: 16px; }
  .article p, .article li { font-size: 15.5px; }
  .post-nav a { flex: 1 1 100%; }
}