/* ═══════════════════════════════════════════════
   DESIGN TOKENS - 工业钢铁感
═══════════════════════════════════════════════ */
:root {
  --coal: #0D0F12;
  --steel-dark: #151A22;
  --steel-mid: #1E2733;
  --steel-light: #2A3647;
  --orange: #0EA5A0;
  --orange-dim: #22D3CE;
  --silver: #8B96A8;
  --silver-light: #C4CDD8;
  --off-white: #F0F2F5;
  --white: #FFFFFF;
  --border: rgba(255, 255, 255, .08);
  --border-light: rgba(0, 0, 0, .1);
  --ff-display: 'Bebas Neue', 'Noto Sans SC', sans-serif;
  --ff-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --r-sm: 3px;
  --r-md: 8px;
  --r-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, .35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, .45);
  --glow: 0 0 32px rgba(14, 165, 160, .28);
  --transition: .22s cubic-bezier(.4, 0, .2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html {
  scroll-behavior: smooth
}

body {
  font-family: var(--ff-body);
  background: var(--coal);
  color: var(--off-white);
  line-height: 1.7;
  overflow-x: hidden
}

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

a {
  text-decoration: none;
  color: inherit
}

ul,
ol {
  list-style: none
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px
}

/* Typography */
.label {
  font-family: var(--ff-display);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--orange);
  text-transform: uppercase
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.05;
  letter-spacing: .02em;
  color: var(--white)
}

.section-title span {
  color: var(--orange)
}

.section-sub {
  font-size: 15px;
  color: var(--silver);
  line-height: 1.85;
  max-width: 600px
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 28px;
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--r-sm);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: .03em
}

.btn--primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
  box-shadow: 0 4px 20px rgba(14, 165, 160, .4)
}

.btn--primary:hover {
  background: var(--orange-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(14, 165, 160, .55)
}

.btn--ghost-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .3)
}

.btn--ghost-white:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, .06)
}

.btn--ghost-orange {
  background: transparent;
  color: var(--orange);
  border-color: var(--orange)
}

.btn--ghost-orange:hover {
  background: rgba(14, 165, 160, .1)
}

/* Topbar */
.topbar {
  background: var(--steel-dark);
  border-bottom: 1px solid var(--border);
  padding: 9px 0;
  font-size: 12.5px;
  color: var(--silver)
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: 24px
}

.topbar__item {
  display: flex;
  align-items: center;
  gap: 6px
}

.topbar__phone {
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
  transition: color var(--transition)
}

.topbar__phone:hover {
  color: var(--orange-dim)
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: 16px
}

.topbar__link {
  transition: color var(--transition)
}

.topbar__link:hover {
  color: var(--white)
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 18, .96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border)
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0
}

.logo__mark {
  width: 40px;
  height: 40px;
  background: var(--orange);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0
}

.logo__name {
  font-family: var(--ff-display);
  font-size: 22px;
  letter-spacing: .04em;
  color: var(--white);
  line-height: 1
}

.logo__tag {
  font-size: 11px;
  color: var(--silver);
  letter-spacing: .05em;
  margin-top: 2px
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px
}

.nav__link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--silver-light);
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
  background: rgba(255, 255, 255, .06)
}

.nav__link--active {
  color: var(--orange) !important
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 10px
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver-light);
  border-radius: 2px;
  transition: all var(--transition)
}

.mobile-nav {
  display: none;
  background: var(--steel-dark);
  border-top: 1px solid var(--border);
  padding: 16px 28px 24px
}

.mobile-nav.is-open {
  display: block
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 2px
}

.mobile-nav__link {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--silver-light);
  border-radius: var(--r-sm);
  border-left: 3px solid transparent;
  transition: all var(--transition)
}

.mobile-nav__link:hover {
  background: rgba(255, 255, 255, .05);
  border-left-color: var(--orange);
  color: var(--white)
}

.mobile-nav__phone {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--orange);
  border-radius: var(--r-sm);
  color: var(--white);
  font-weight: 700;
  font-size: 16px
}

/* Page Hero (inner pages) */
.page-hero {
  background: var(--steel-dark);
  border-bottom: 1px solid var(--border);
  padding: 60px 0 52px;
  position: relative;
  overflow: hidden
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none
}

.page-hero::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40%;
  background: radial-gradient(ellipse 80% 100% at 100% 50%, rgba(14, 165, 160, .08) 0%, transparent 70%);
  pointer-events: none
}

.page-hero__inner {
  position: relative;
  z-index: 1
}

.page-hero__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--silver);
  margin-bottom: 18px
}

.page-hero__crumb a {
  color: var(--silver);
  transition: color var(--transition)
}

.page-hero__crumb a:hover {
  color: var(--orange)
}

.page-hero__crumb svg {
  opacity: .5
}

.page-hero__title {
  font-family: var(--ff-display);
  font-size: clamp(38px, 6vw, 66px);
  color: var(--white);
  letter-spacing: .03em;
  line-height: 1.0;
  margin-bottom: 14px
}

.page-hero__title span {
  color: var(--orange)
}

.page-hero__desc {
  font-size: 15px;
  color: var(--silver);
  max-width: 580px;
  line-height: 1.85
}

/* Footer */
.footer {
  background: var(--steel-dark);
  border-top: 1px solid var(--border);
  padding: 64px 0 0
}

.footer__grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border)
}

.footer__desc {
  font-size: 14px;
  color: var(--silver);
  line-height: 1.85;
  margin-bottom: 24px
}

.footer__nap {
  display: flex;
  flex-direction: column;
  gap: 10px
}

.footer__nap-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  color: var(--silver)
}

.footer__nap-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--orange);
  opacity: .7
}

.footer__nap-phone {
  font-size: 18px;
  font-weight: 700;
  color: var(--orange);
  transition: color var(--transition)
}

.footer__nap-phone:hover {
  color: var(--orange-dim)
}

.footer__heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--silver-light);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 20px
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px
}

.footer__link {
  font-size: 13.5px;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: 7px;
  transition: color var(--transition)
}

.footer__link::before {
  content: '';
  width: 3px;
  height: 3px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
  opacity: .7
}

.footer__link:hover {
  color: var(--off-white)
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 12.5px;
  color: var(--silver);
  opacity: .6;
  flex-wrap: wrap;
  gap: 10px
}

.footer__bottom a {
  color: var(--silver);
  transition: color var(--transition)
}

.footer__bottom a:hover {
  color: var(--off-white)
}

/* Float CTA */
.float-cta {
  position: fixed;
  right: 22px;
  bottom: 36px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end
}

.float-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: 40px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  font-family: var(--ff-body)
}

.float-btn:hover {
  transform: translateY(-2px)
}

.float-btn--phone {
  background: var(--orange);
  color: var(--white)
}

.float-btn--top {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  background: var(--steel-light);
  color: var(--silver-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border)
}

/* CTA Banner */
.cta-banner {
  background: var(--orange);
  padding: 60px 0;
  position: relative;
  overflow: hidden
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 0, 0, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, .06) 1px, transparent 1px);
  background-size: 40px 40px
}

.cta-banner__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px
}

.cta-banner__title {
  font-family: var(--ff-display);
  font-size: clamp(26px, 4vw, 42px);
  color: var(--white);
  letter-spacing: .03em;
  margin-bottom: 6px
}

.cta-banner__sub {
  font-size: 15px;
  color: rgba(255, 255, 255, .8)
}

.cta-banner__actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap
}

.btn--cta-white {
  background: var(--white);
  color: var(--orange);
  border-color: var(--white);
  font-weight: 700
}

.btn--cta-white:hover {
  background: var(--off-white)
}

.btn--cta-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .6)
}

.btn--cta-outline:hover {
  background: rgba(255, 255, 255, .1);
  border-color: var(--white)
}

/* ═══ HERO (homepage) ═══ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--coal)
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 56px 56px
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 110% 50%, rgba(14, 165, 160, .12) 0%, transparent 60%), radial-gradient(ellipse 60% 80% at -10% 60%, rgba(30, 39, 51, .8) 0%, transparent 70%)
}

.hero__divider {
  position: absolute;
  right: 46%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(14, 165, 160, .5) 30%, rgba(14, 165, 160, .5) 70%, transparent 100%)
}

.hero__visual {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 46%;
  display: flex;
  align-items: center;
  justify-content: center
}

.hero__placeholder-box {
  width: 85%;
  aspect-ratio: 4/3;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r-md);
  background: var(--steel-mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  overflow: hidden
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 56%;
  padding: 80px 0
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px
}

.hero__eyebrow-line {
  width: 32px;
  height: 2px;
  background: var(--orange)
}

.hero__display {
  font-family: var(--ff-display);
  font-size: clamp(52px, 7vw, 88px);
  line-height: .95;
  letter-spacing: .02em;
  color: var(--white);
  margin-bottom: 8px
}

.hero__display-accent {
  color: var(--orange);
  display: block
}

.hero__h1 {
  font-size: 16px;
  color: var(--silver);
  line-height: 1.85;
  max-width: 520px;
  margin-top: 20px;
  margin-bottom: 36px;
  font-weight: 400
}

.hero__h1 strong {
  color: var(--silver-light);
  font-weight: 700
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px
}

.hero__phone-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 52px
}

.hero__phone-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid rgba(14, 165, 160, .4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0
}

.hero__phone-label {
  font-size: 11px;
  color: var(--silver);
  letter-spacing: .07em;
  text-transform: uppercase
}

.hero__phone-number {
  font-family: var(--ff-display);
  font-size: 26px;
  letter-spacing: .04em;
  color: var(--white)
}

.hero__phone-number:hover {
  color: var(--orange)
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden
}

.hero__stat {
  background: var(--steel-dark);
  padding: 20px 18px;
  text-align: center;
  transition: background var(--transition)
}

.hero__stat:hover {
  background: var(--steel-mid)
}

.hero__stat-num {
  font-family: var(--ff-display);
  font-size: clamp(26px, 3.5vw, 38px);
  color: var(--orange);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: .02em
}

.hero__stat-label {
  font-size: 12px;
  color: var(--silver);
  letter-spacing: .04em
}

/* Notice */
.notice {
  background: var(--steel-dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  overflow: hidden
}

.notice__inner {
  display: flex;
  align-items: center;
  gap: 16px
}

.notice__tag {
  font-family: var(--ff-display);
  font-size: 12px;
  letter-spacing: .12em;
  background: var(--orange);
  color: var(--white);
  padding: 3px 12px;
  flex-shrink: 0
}

.notice__text {
  font-size: 14px;
  color: var(--silver-light)
}

.notice__text a {
  color: var(--orange);
  font-weight: 700;
  transition: color var(--transition)
}

.notice__text a:hover {
  color: var(--orange-dim)
}

/* Advantages */
.adv {
  background: var(--steel-dark);
  border-bottom: 1px solid var(--border)
}

.adv__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr)
}

.adv__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  transition: background var(--transition)
}

.adv__item:last-child {
  border-right: none
}

.adv__item:hover {
  background: var(--steel-mid)
}

.adv__icon {
  width: 46px;
  height: 46px;
  background: rgba(14, 165, 160, .12);
  border: 1px solid rgba(14, 165, 160, .25);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--orange)
}

.adv__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 2px
}

.adv__desc {
  font-size: 12.5px;
  color: var(--silver)
}

/* Products */
.products {
  padding: 90px 0;
  background: var(--coal)
}

.products__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 52px;
  gap: 24px
}

.products__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap
}

.products__tab {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  border-radius: 40px;
  color: var(--silver);
  cursor: pointer;
  transition: all var(--transition);
  background: none
}

.products__tab:hover {
  border-color: var(--orange);
  color: var(--orange-dim)
}

.products__tab.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white)
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px
}

.product-card {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition)
}

.product-card:hover {
  border-color: rgba(14, 165, 160, .4);
  box-shadow: var(--glow), var(--shadow-lg);
  transform: translateY(-4px)
}

.product-card__thumb {
  height: 190px;
  background: var(--steel-mid);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden
}

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--ff-display);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 10px;
  border-radius: 2px
}

.badge--hot {
  background: var(--orange);
  color: var(--white)
}

.badge--new {
  background: var(--steel-light);
  color: var(--silver-light);
  border: 1px solid var(--border)
}

.product-card__body {
  padding: 20px
}

.product-card__name {
  font-family: var(--ff-display);
  font-size: 22px;
  letter-spacing: .03em;
  color: var(--white);
  margin-bottom: 4px
}

.product-card__type {
  font-size: 12.5px;
  color: var(--orange);
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: .04em
}

.product-card__params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px
}

.param {
  background: var(--steel-mid);
  border-radius: var(--r-sm);
  padding: 8px 12px
}

.param__label {
  font-size: 11px;
  color: var(--silver);
  margin-bottom: 2px;
  letter-spacing: .03em
}

.param__value {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--off-white)
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px
}

.product-card__standard {
  font-size: 11.5px;
  color: var(--silver)
}

.product-card__more {
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition)
}

.product-card:hover .product-card__more {
  gap: 8px
}

/* About section */
.about {
  background: var(--steel-dark);
  padding: 90px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center
}

.about__title {
  font-family: var(--ff-display);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: .02em
}

.about__title span {
  color: var(--orange)
}

.about__text {
  font-size: 15px;
  color: var(--silver);
  line-height: 1.9;
  margin-bottom: 28px
}

.about__list {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 36px
}

.about__list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--silver-light)
}

.about__list-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 3px
}

.about__metric {
  background: var(--coal);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px 20px;
  transition: border-color var(--transition)
}

.about__metric:hover {
  border-color: rgba(14, 165, 160, .3)
}

.about__metric-num {
  font-family: var(--ff-display);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--orange);
  line-height: 1;
  letter-spacing: .02em;
  margin-bottom: 4px
}

.about__metric-label {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.5
}

/* Cases */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px
}

.case-card {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition)
}

.case-card:hover {
  border-color: rgba(14, 165, 160, .3);
  transform: translateY(-3px)
}

.case-card__img {
  height: 168px;
  background: var(--steel-mid);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow: hidden
}

.case-region {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(14, 165, 160, .85);
  color: var(--white);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: .06em
}

.case-card__body {
  padding: 18px 20px 22px
}

.case-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.4
}

.case-card__note {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.6;
  margin-bottom: 14px
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px
}

.case-meta li {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  color: var(--silver)
}

.case-meta li svg {
  color: var(--orange);
  opacity: .7;
  flex-shrink: 0
}

.stat-bar {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center
}

/* News */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px
}

.news-card {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition)
}

.news-card:hover {
  border-color: rgba(14, 165, 160, .3);
  transform: translateY(-3px)
}

.news-card__img {
  height: 160px;
  background: var(--steel-mid);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden
}

.news-card__body {
  padding: 20px
}

.news-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.45
}

.news-card__excerpt {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.7;
  margin-bottom: 16px
}

.news-card__more {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  transition: gap var(--transition)
}

.news-card:hover .news-card__more {
  gap: 9px
}

/* Tech FAQ */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: 10px
}

.faq__item {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--transition)
}

.faq__item.is-open {
  border-color: rgba(14, 165, 160, .35)
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-family: var(--ff-body);
  font-size: 15px;
  font-weight: 700;
  transition: background var(--transition)
}

.faq__question:hover {
  background: rgba(255, 255, 255, .03)
}

.faq__item.is-open .faq__question {
  background: rgba(14, 165, 160, .08);
  color: var(--white)
}

.faq__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--silver);
  transition: transform var(--transition), border-color var(--transition), color var(--transition)
}

.faq__item.is-open .faq__icon {
  transform: rotate(45deg);
  border-color: var(--orange);
  color: var(--orange)
}

.faq__answer {
  display: none;
  padding: 4px 24px 22px;
  font-size: 14px;
  color: var(--silver);
  line-height: 1.85;
  border-top: 1px solid var(--border)
}

.faq__item.is-open .faq__answer {
  display: block
}

/* Metrics */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px
}

.metric-box {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 28px 20px;
  text-align: center;
  transition: border-color var(--transition)
}

.metric-box:hover {
  border-color: rgba(14, 165, 160, .3)
}

.metric-box__num {
  font-family: var(--ff-display);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: .02em
}

.metric-box__label {
  font-size: 13px;
  color: var(--silver);
  line-height: 1.5
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start
}

.info-card {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 28px;
  margin-bottom: 16px
}

.info-card__icon {
  width: 46px;
  height: 46px;
  background: rgba(14, 165, 160, .12);
  border: 1px solid rgba(14, 165, 160, .25);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  margin-bottom: 16px
}

.info-card__label {
  font-size: 12px;
  color: var(--silver);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 6px
}

.info-card__value {
  font-family: var(--ff-display);
  font-size: 26px;
  letter-spacing: .04em;
  color: var(--white);
  line-height: 1.2
}

.info-card__value a {
  color: var(--orange);
  transition: color var(--transition)
}

.info-card__value a:hover {
  color: var(--orange-dim)
}

.info-card__note {
  font-size: 13px;
  color: var(--silver);
  margin-top: 6px
}

.form-wrap {
  background: var(--steel-dark);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 36px
}

.form-group {
  margin-bottom: 20px
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--silver-light);
  margin-bottom: 8px
}

.form-label span {
  color: var(--orange)
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--steel-mid);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--off-white);
  font-family: var(--ff-body);
  font-size: 14px;
  transition: border-color var(--transition);
  outline: none
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--orange)
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--silver);
  opacity: .6
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px
}

.form-textarea {
  min-height: 120px;
  resize: vertical
}

.form-select {
  appearance: none;
  cursor: pointer
}

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--ff-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  letter-spacing: .04em
}

.form-submit:hover {
  background: var(--orange-dim);
  transform: translateY(-1px)
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange) 0%, rgba(14, 165, 160, .2) 100%)
}

.timeline__item {
  position: relative;
  padding-bottom: 36px
}

.timeline__item:last-child {
  padding-bottom: 0
}

.timeline__dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--coal);
  box-shadow: 0 0 0 2px var(--orange)
}

.timeline__year {
  font-family: var(--ff-display);
  font-size: 20px;
  color: var(--orange);
  letter-spacing: .04em;
  margin-bottom: 4px
}

.timeline__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px
}

.timeline__desc {
  font-size: 14px;
  color: var(--silver);
  line-height: 1.8
}

/* Placeholder */
.placeholder-text {
  font-size: 11px;
  color: rgba(255, 255, 255, .2);
  position: relative
}

/* Responsive */
@media(max-width:1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr
  }

  .adv__grid {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:900px) {

  .cases-grid,
  .news-grid {
    grid-template-columns: 1fr 1fr
  }

  .stat-bar {
    grid-template-columns: 1fr 1fr
  }

  .contact-grid {
    grid-template-columns: 1fr
  }

  .form-row {
    grid-template-columns: 1fr
  }

  .products__grid {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:768px) {
  .topbar {
    display: none
  }

  nav.desktop-nav {
    display: none
  }

  .hamburger {
    display: flex
  }

  .header__cta .btn {
    display: none
  }

  .footer__grid {
    grid-template-columns: 1fr
  }

  .cta-banner__inner {
    flex-direction: column;
    text-align: center
  }

  .cta-banner__actions {
    justify-content: center
  }

  .float-cta {
    right: 14px;
    bottom: 20px
  }

  .hero__content {
    width: 100%
  }

  .hero__visual {
    display: none
  }

  .hero__divider {
    display: none
  }

  .hero__stats {
    grid-template-columns: 1fr 1fr
  }

  .about__inner {
    grid-template-columns: 1fr
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:560px) {

  .cases-grid,
  .news-grid,
  .products__grid {
    grid-template-columns: 1fr
  }
}

/* ═══════════════════════════════════════════════
   JG THEME — 浅色科技风（追加层，覆盖原深色基调）
   命名空间 .jg-*，可在新模板中使用
═══════════════════════════════════════════════ */
:root {
  --jg-bg: #ffffff;
  --jg-bg-soft: #f7fafb;
  --jg-bg-tint: #ecfeff;
  --jg-ink: #0f172a;
  --jg-ink-soft: #334155;
  --jg-ink-mute: #64748b;
  --jg-line: #e2e8f0;
  --jg-line-soft: #f1f5f9;
  --jg-brand: #0EA5A0;
  --jg-brand-2: #22D3CE;
  --jg-brand-3: #67E8F9;
  --jg-grad: linear-gradient(135deg, #0EA5A0 0%, #22D3CE 60%, #67E8F9 100%);
  --jg-grad-soft: linear-gradient(135deg, #ecfeff 0%, #f0fdfa 100%);
  --jg-shadow-s: 0 2px 8px rgba(15, 23, 42, .06);
  --jg-shadow-m: 0 8px 24px rgba(15, 23, 42, .08);
  --jg-shadow-l: 0 20px 48px rgba(14, 165, 160, .15);
  --jg-radius: 12px;
}

body.jg-light {
  background: var(--jg-bg);
  color: var(--jg-ink-soft);
}

body.jg-light .topbar {
  background: var(--jg-bg-soft);
  color: var(--jg-ink-mute);
  border-bottom: 1px solid var(--jg-line);
}
body.jg-light .topbar a,
body.jg-light .topbar__link,
body.jg-light .topbar__item { color: var(--jg-ink-mute); }
body.jg-light .topbar__phone { color: var(--jg-brand); }

body.jg-light .header {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--jg-line);
}
body.jg-light .logo__name { color: var(--jg-ink); }
body.jg-light .logo__tag { color: var(--jg-ink-mute); }
body.jg-light .nav__link { color: var(--jg-ink-soft); }
body.jg-light .nav__link:hover,
body.jg-light .nav__link--active { color: var(--jg-brand); }
body.jg-light .logo__mark {
  background: var(--jg-grad);
  box-shadow: 0 6px 16px rgba(14, 165, 160, .35);
}

body.jg-light .footer {
  background: #0b1220;
  color: #cbd5e1;
}
body.jg-light .footer__heading { color: #fff; }
body.jg-light .footer__link { color: #94a3b8; }
body.jg-light .footer__link:hover { color: var(--jg-brand-2); }

/* Hero */
.jg-hero {
  position: relative;
  padding: 96px 0 88px;
  background:
    radial-gradient(1100px 520px at 88% -10%, rgba(34, 211, 206, .18), transparent 60%),
    radial-gradient(900px 460px at -5% 10%, rgba(103, 232, 249, .14), transparent 60%),
    var(--jg-bg);
  overflow: hidden;
}
.jg-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 160, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 160, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
  pointer-events: none;
}
.jg-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.jg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(14, 165, 160, .1);
  color: var(--jg-brand);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
}
.jg-eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--jg-brand);
  box-shadow: 0 0 0 4px rgba(14, 165, 160, .2);
}
.jg-hero__title {
  margin: 20px 0 18px;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.15;
  font-weight: 800;
  color: var(--jg-ink);
  letter-spacing: -.01em;
}
.jg-hero__title em {
  font-style: normal;
  background: var(--jg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.jg-hero__sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--jg-ink-soft);
  max-width: 560px;
}
.jg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.jg-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  transition: all .25s ease;
  cursor: pointer;
  border: none;
}
.jg-btn--primary {
  background: var(--jg-grad);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 165, 160, .28);
}
.jg-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(14, 165, 160, .38);
}
.jg-btn--ghost {
  background: #fff;
  color: var(--jg-ink);
  border: 1px solid var(--jg-line);
}
.jg-btn--ghost:hover {
  border-color: var(--jg-brand);
  color: var(--jg-brand);
}
.jg-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px dashed var(--jg-line);
}
.jg-hero__meta-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--jg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.jg-hero__meta-label {
  font-size: 13px;
  color: var(--jg-ink-mute);
}

/* Hero visual */
.jg-hero__visual {
  position: relative;
  aspect-ratio: 5/4;
  border-radius: 20px;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(34, 211, 206, .35), transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(103, 232, 249, .35), transparent 60%),
    linear-gradient(135deg, #ecfeff, #f0fdfa);
  box-shadow: var(--jg-shadow-l);
  overflow: hidden;
}
.jg-hero__chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  color: var(--jg-ink);
  box-shadow: var(--jg-shadow-m);
}
.jg-hero__chip svg {
  color: var(--jg-brand);
}
.jg-hero__chip--a { top: 16%; left: 8%; }
.jg-hero__chip--b { top: 38%; right: 6%; }
.jg-hero__chip--c { bottom: 22%; left: 12%; }
.jg-hero__chip--d { bottom: 10%; right: 18%; }
.jg-hero__core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--jg-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: .04em;
  box-shadow: 0 16px 40px rgba(14, 165, 160, .45);
  animation: jg-pulse 3s ease-in-out infinite;
}
@keyframes jg-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%      { transform: translate(-50%, -50%) scale(1.06); }
}

/* Section primitives */
.jg-section {
  padding: 84px 0;
  background: var(--jg-bg);
}
.jg-section--soft { background: var(--jg-bg-soft); }
.jg-section__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.jg-section__kicker {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(14, 165, 160, .1);
  color: var(--jg-brand);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.jg-section__title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  color: var(--jg-ink);
  line-height: 1.2;
  margin-bottom: 14px;
}
.jg-section__title em {
  font-style: normal;
  background: var(--jg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.jg-section__sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--jg-ink-mute);
}

/* Service cards */
.jg-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
}
.jg-card {
  position: relative;
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  transition: all .3s ease;
  overflow: hidden;
}
.jg-card::after {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%; height: 3px;
  background: var(--jg-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.jg-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--jg-shadow-l);
}
.jg-card:hover::after {
  transform: scaleX(1);
}
.jg-card__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--jg-grad-soft);
  color: var(--jg-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.jg-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--jg-ink);
  margin-bottom: 10px;
}
.jg-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--jg-ink-mute);
}
.jg-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--jg-brand);
}

/* Feature stripe — 横向带数据条 */
.jg-stripe {
  background: linear-gradient(135deg, #0b1220 0%, #0f172a 50%, #0e7c79 100%);
  border-radius: 20px;
  padding: 48px;
  color: #fff;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.jg-stripe::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(34, 211, 206, .25), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(103, 232, 249, .15), transparent 50%);
  pointer-events: none;
}
.jg-stripe__item { position: relative; }
.jg-stripe__num {
  font-size: 36px;
  font-weight: 800;
  background: var(--jg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.jg-stripe__label {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
}

/* Why-us / feature rows */
.jg-feat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.jg-feat {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  transition: all .3s ease;
}
.jg-feat:hover {
  border-color: var(--jg-brand-2);
  box-shadow: var(--jg-shadow-m);
}
.jg-feat__icon {
  flex: 0 0 56px;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--jg-grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.jg-feat__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--jg-ink);
  margin-bottom: 8px;
}
.jg-feat__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--jg-ink-mute);
}

/* About split */
.jg-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.jg-about__visual {
  aspect-ratio: 4/3;
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(14, 165, 160, .85), rgba(103, 232, 249, .75)),
    radial-gradient(circle at 30% 30%, #fff 0, transparent 50%);
  position: relative;
  overflow: hidden;
  box-shadow: var(--jg-shadow-l);
}
.jg-about__visual::after {
  content: '';
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(255, 255, 255, .45);
  border-radius: 14px;
}
.jg-about__badge {
  position: absolute;
  bottom: 24px; left: 24px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, .95);
  border-radius: 12px;
  color: var(--jg-ink);
  box-shadow: var(--jg-shadow-m);
}
.jg-about__badge-num {
  font-size: 22px;
  font-weight: 800;
  background: var(--jg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.jg-about__badge-label {
  font-size: 12px;
  color: var(--jg-ink-mute);
}
.jg-about__title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--jg-ink);
  margin-bottom: 18px;
  line-height: 1.25;
}
.jg-about__text {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--jg-ink-soft);
  margin-bottom: 24px;
}
.jg-bullets {
  display: grid;
  gap: 14px;
  margin: 24px 0 28px;
}
.jg-bullet {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  color: var(--jg-ink-soft);
}
.jg-bullet__mark {
  flex: 0 0 22px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--jg-grad-soft);
  color: var(--jg-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Case grid (logos / mini cards) */
.jg-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.jg-case {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  transition: all .3s ease;
}
.jg-case:hover {
  transform: translateY(-3px);
  box-shadow: var(--jg-shadow-m);
  border-color: var(--jg-brand-2);
}
.jg-case__tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--jg-bg-tint);
  color: var(--jg-brand);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.jg-case__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--jg-ink);
  line-height: 1.5;
  margin-bottom: 10px;
}
.jg-case__desc {
  font-size: 13.5px;
  color: var(--jg-ink-mute);
  line-height: 1.75;
}

/* News preview */
.jg-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.jg-news {
  display: block;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  transition: all .3s ease;
}
.jg-news:hover {
  border-color: var(--jg-brand);
  box-shadow: var(--jg-shadow-m);
}
.jg-news__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--jg-ink-mute);
  margin-bottom: 12px;
}
.jg-news__cat {
  padding: 2px 10px;
  border-radius: 4px;
  background: var(--jg-bg-tint);
  color: var(--jg-brand);
  font-weight: 600;
}
.jg-news__title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--jg-ink);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.jg-news__desc {
  font-size: 13.5px;
  color: var(--jg-ink-mute);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* CTA banner */
.jg-cta {
  background: var(--jg-grad);
  border-radius: 20px;
  padding: 56px 48px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.jg-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.jg-cta__h {
  position: relative;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  margin-bottom: 6px;
}
.jg-cta__s {
  position: relative;
  font-size: 15px;
  opacity: .9;
}
.jg-cta__actions {
  position: relative;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.jg-btn--cta-white {
  background: #fff;
  color: var(--jg-brand);
}
.jg-btn--cta-line {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .6);
}
.jg-btn--cta-line:hover {
  background: rgba(255, 255, 255, .12);
}

/* Page hero (二级页) */
.jg-page-hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(800px 360px at 80% 0%, rgba(34, 211, 206, .14), transparent 60%),
    var(--jg-bg-soft);
  border-bottom: 1px solid var(--jg-line);
}
.jg-page-hero__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--jg-ink-mute);
  margin-bottom: 16px;
}
.jg-page-hero__crumb a { color: var(--jg-ink-mute); }
.jg-page-hero__crumb a:hover { color: var(--jg-brand); }
.jg-page-hero__title {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  color: var(--jg-ink);
  margin-bottom: 12px;
}
.jg-page-hero__desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--jg-ink-soft);
  max-width: 720px;
}

/* Responsive */
@media (max-width: 960px) {
  .jg-hero__inner,
  .jg-about { grid-template-columns: 1fr; gap: 36px; }
  .jg-hero__visual { max-width: 480px; margin: 0 auto; }
  .jg-stripe { grid-template-columns: repeat(2, 1fr); padding: 32px; }
  .jg-feat-grid { grid-template-columns: 1fr; }
  .jg-cta { padding: 36px 28px; }
}
@media (max-width: 560px) {
  .jg-hero { padding: 64px 0 48px; }
  .jg-section { padding: 56px 0; }
  .jg-stripe { grid-template-columns: 1fr; padding: 28px; }
  .jg-feat { flex-direction: column; }
}

/* ─── Legacy 组件在 jg-light 下的覆盖 ───
   让旧的 .page-hero / .products / .product-card / .news-card / .case-card
   等深色块在浅色基底下也能看得舒服 */
body.jg-light .page-hero {
  background:
    radial-gradient(800px 360px at 80% 0%, rgba(34, 211, 206, .14), transparent 60%),
    var(--jg-bg-soft);
  border-bottom: 1px solid var(--jg-line);
  color: var(--jg-ink-soft);
  padding: 72px 0 56px;
}
body.jg-light .page-hero__crumb,
body.jg-light .page-hero__crumb a { color: var(--jg-ink-mute); }
body.jg-light .page-hero__crumb a:hover { color: var(--jg-brand); }
body.jg-light .page-hero__title { color: var(--jg-ink); }
body.jg-light .page-hero__desc { color: var(--jg-ink-soft); }

body.jg-light .products,
body.jg-light .about,
body.jg-light section[style*="var(--coal)"] {
  background: var(--jg-bg) !important;
}
body.jg-light .label { color: var(--jg-brand); }
body.jg-light .section-title { color: var(--jg-ink); }
body.jg-light .section-title span { color: var(--jg-brand); }
body.jg-light .section-sub { color: var(--jg-ink-mute); }

body.jg-light .products__tabs { border-bottom-color: var(--jg-line); }
body.jg-light .products__tab {
  color: var(--jg-ink-mute);
  background: transparent;
  border-color: var(--jg-line);
}
body.jg-light .products__tab.is-active,
body.jg-light .products__tab:hover {
  color: var(--jg-brand);
  border-color: var(--jg-brand);
  background: var(--jg-bg-tint);
}

body.jg-light .product-card {
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  transition: all .25s ease;
}
body.jg-light .product-card:hover {
  border-color: var(--jg-brand-2);
  box-shadow: var(--jg-shadow-m);
}
body.jg-light .product-card__thumb {
  background: var(--jg-grad-soft);
  border-radius: var(--jg-radius) var(--jg-radius) 0 0;
}
body.jg-light .product-card__name { color: var(--jg-ink); }
body.jg-light .product-card__type { color: var(--jg-ink-mute); }
body.jg-light .product-card__more { color: var(--jg-brand); }
body.jg-light .param { background: var(--jg-bg-soft); border-color: var(--jg-line); }
body.jg-light .param__label { color: var(--jg-ink-mute); }
body.jg-light .param__value { color: var(--jg-ink); }
body.jg-light .placeholder-text { color: var(--jg-ink-mute); }

body.jg-light .news-card,
body.jg-light .case-card,
body.jg-light .faq-card,
body.jg-light .metric-box {
  background: #fff;
  border: 1px solid var(--jg-line);
  color: var(--jg-ink-soft);
}
body.jg-light .news-card:hover,
body.jg-light .case-card:hover { box-shadow: var(--jg-shadow-m); border-color: var(--jg-brand-2); }
body.jg-light .news-card__title,
body.jg-light .case-card__title,
body.jg-light .faq-card__q,
body.jg-light .metric-box__num { color: var(--jg-ink); }
body.jg-light .news-card__excerpt,
body.jg-light .case-card__desc,
body.jg-light .faq-card__a,
body.jg-light .metric-box__label { color: var(--jg-ink-mute); }

body.jg-light .btn--primary {
  background: var(--jg-grad);
  border: none;
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 165, 160, .28);
}
body.jg-light .btn--primary:hover { box-shadow: 0 12px 28px rgba(14, 165, 160, .38); transform: translateY(-1px); }
body.jg-light .btn--ghost-white,
body.jg-light .btn--ghost-orange {
  background: #fff;
  color: var(--jg-ink);
  border: 1px solid var(--jg-line);
}
body.jg-light .btn--ghost-white:hover,
body.jg-light .btn--ghost-orange:hover {
  color: var(--jg-brand);
  border-color: var(--jg-brand);
}

body.jg-light .cta-banner {
  background: var(--jg-grad);
  color: #fff;
}
body.jg-light .cta-banner::before { display: none; }
body.jg-light .cta-banner__title { color: #fff; }
body.jg-light .cta-banner__sub { color: rgba(255, 255, 255, .9); }
body.jg-light .btn--cta-white {
  background: #fff;
  color: var(--jg-brand);
  border-color: #fff;
}
body.jg-light .btn--cta-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
}

body.jg-light .contact-form,
body.jg-light .contact-info,
body.jg-light .tech-section {
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: var(--jg-radius);
  color: var(--jg-ink-soft);
}
body.jg-light input,
body.jg-light textarea,
body.jg-light select {
  background: #fff;
  color: var(--jg-ink);
  border: 1px solid var(--jg-line);
}
body.jg-light input:focus,
body.jg-light textarea:focus,
body.jg-light select:focus {
  border-color: var(--jg-brand);
  outline: 2px solid rgba(14, 165, 160, .15);
}

body.jg-light .float-btn--top,
body.jg-light .float-btn--phone {
  background: #fff;
  color: var(--jg-brand);
  border: 1px solid var(--jg-line);
  box-shadow: var(--jg-shadow-s);
}

/* ─── 列表 tabs / 分页 ─── */
.jg-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--jg-line);
}
.jg-tab {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--jg-ink-mute);
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: 999px;
  transition: all .22s ease;
}
.jg-tab:hover,
.jg-tab.is-active {
  color: #fff;
  background: var(--jg-grad);
  border-color: transparent;
  box-shadow: 0 6px 14px rgba(14, 165, 160, .25);
}
.jg-pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}
.jg-pager__info {
  font-size: 14px;
  color: var(--jg-ink-mute);
}

/* ─── 服务/产品卡 增强 ─── */
.jg-card { display: block; text-decoration: none; }
.jg-card__sub {
  font-size: 13px;
  color: var(--jg-brand);
  font-weight: 600;
  margin-bottom: 10px;
}
.jg-card__badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  letter-spacing: .04em;
}
.jg-card__badge--hot { background: #fee2e2; color: #dc2626; }
.jg-card__badge--new { background: #dbeafe; color: #2563eb; }
.jg-card__attrs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.jg-card__attr {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--jg-bg-soft);
  color: var(--jg-ink-mute);
  border-radius: 4px;
  border: 1px solid var(--jg-line-soft);
}
.jg-card__attr b {
  color: var(--jg-ink-soft);
  margin-right: 4px;
  font-weight: 600;
}

/* ─── 产品详情 ─── */
.jg-pd {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.jg-pd__visual {
  aspect-ratio: 4/3;
  border-radius: 16px;
  background: var(--jg-grad-soft);
  border: 1px solid var(--jg-line);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.jg-pd__visual img { width: 100%; height: 100%; object-fit: cover; }
.jg-pd__placeholder {
  text-align: center;
  color: var(--jg-brand);
}
.jg-pd__placeholder p {
  margin-top: 12px;
  font-size: 13px;
  color: var(--jg-ink-mute);
}
.jg-pd__attrs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0 8px;
}
.jg-pd__attr {
  padding: 14px 16px;
  background: var(--jg-bg-soft);
  border: 1px solid var(--jg-line);
  border-radius: 10px;
}
.jg-pd__attr-name {
  font-size: 12px;
  color: var(--jg-ink-mute);
  margin-bottom: 4px;
}
.jg-pd__attr-value {
  font-size: 15px;
  color: var(--jg-ink);
  font-weight: 600;
}
.jg-pd__share {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  font-size: 13px;
  color: var(--jg-ink-mute);
}
.jg-pd__share a {
  color: var(--jg-ink-mute);
  transition: color .2s;
}
.jg-pd__share a:hover { color: var(--jg-brand); }
.jg-pd__detail {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--jg-line);
}
.jg-pd__detail-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--jg-ink);
  margin-bottom: 20px;
}
.jg-pd__detail-body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--jg-ink-soft);
}
.jg-pd__detail-body img { border-radius: 8px; margin: 16px 0; }

/* ─── 案例卡补充 ─── */
.jg-case__cover {
  height: 160px;
  margin: -24px -24px 16px;
  border-radius: var(--jg-radius) var(--jg-radius) 0 0;
  background: var(--jg-grad-soft);
  overflow: hidden;
}
.jg-case__cover img { width: 100%; height: 100%; object-fit: cover; }
.jg-case__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--jg-line);
  list-style: none;
  padding-left: 0;
}
.jg-case__meta li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  color: var(--jg-ink-mute);
}
.jg-case__meta svg { color: var(--jg-brand); }

/* ─── 新闻卡补充 ─── */
.jg-news { position: relative; overflow: hidden; }
.jg-news__cover {
  height: 160px;
  margin: -28px -28px 18px;
  border-radius: var(--jg-radius) var(--jg-radius) 0 0;
  background: var(--jg-grad-soft);
  overflow: hidden;
}
.jg-news__cover img { width: 100%; height: 100%; object-fit: cover; }

/* ─── 文章详情 ─── */
.jg-article__cover {
  margin-bottom: 28px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--jg-shadow-m);
}
.jg-article__cover img { width: 100%; display: block; }
.jg-article__lead {
  padding: 18px 22px;
  background: var(--jg-bg-tint);
  border-left: 3px solid var(--jg-brand);
  border-radius: 8px;
  font-size: 15px;
  color: var(--jg-ink-soft);
  line-height: 1.85;
  margin-bottom: 32px;
}
.jg-article__body {
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--jg-ink-soft);
}
.jg-article__body h2,
.jg-article__body h3 {
  color: var(--jg-ink);
  margin: 28px 0 12px;
}
.jg-article__body p { margin-bottom: 14px; }
.jg-article__body img { border-radius: 8px; margin: 16px 0; max-width: 100%; }
.jg-article__body a { color: var(--jg-brand); text-decoration: underline; }
.jg-article__footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--jg-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ─── FAQ ─── */
.jg-faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.jg-faq__item {
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: 12px;
  overflow: hidden;
  transition: all .25s ease;
}
.jg-faq__item[open] {
  border-color: var(--jg-brand-2);
  box-shadow: var(--jg-shadow-m);
}
.jg-faq__item summary { list-style: none; }
.jg-faq__item summary::-webkit-details-marker { display: none; }
.jg-faq__q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--jg-ink);
  cursor: pointer;
}
.jg-faq__chev {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--jg-bg-soft);
  color: var(--jg-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease;
}
.jg-faq__item[open] .jg-faq__chev {
  transform: rotate(180deg);
  background: var(--jg-grad);
  color: #fff;
}
.jg-faq__a {
  padding: 0 24px 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--jg-ink-soft);
}

/* ─── 联系页 ─── */
.jg-contact {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: start;
}
.jg-info {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--jg-line);
}
.jg-info:last-child { border-bottom: none; }
.jg-info__icon {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--jg-grad-soft);
  color: var(--jg-brand);
  display: flex;
  align-items: center;
  justify-content: center;
}
.jg-info__label {
  font-size: 12.5px;
  color: var(--jg-ink-mute);
  margin-bottom: 4px;
}
.jg-info__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--jg-ink);
}
.jg-info__value a { color: inherit; }
.jg-info__value a:hover { color: var(--jg-brand); }
.jg-info__sub {
  font-size: 13px;
  color: var(--jg-ink-mute);
  margin-top: 4px;
}
.jg-info__sub a { color: var(--jg-brand); }

.jg-form {
  padding: 36px;
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: 16px;
  box-shadow: var(--jg-shadow-s);
}
.jg-form__title {
  font-size: 22px;
  font-weight: 800;
  color: var(--jg-ink);
  margin-bottom: 6px;
}
.jg-form__sub {
  font-size: 14px;
  color: var(--jg-ink-mute);
  margin-bottom: 22px;
}
.jg-form__alert {
  padding: 12px 16px;
  background: var(--jg-bg-tint);
  border: 1px solid var(--jg-brand-2);
  border-radius: 8px;
  color: var(--jg-brand);
  font-weight: 600;
  margin-bottom: 18px;
  font-size: 14px;
}
.jg-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.jg-form__group {
  margin-bottom: 16px;
}
.jg-form__group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--jg-ink-soft);
  margin-bottom: 6px;
}
.jg-form__group label span { color: #dc2626; }
.jg-form input,
.jg-form select,
.jg-form textarea {
  width: 100%;
  padding: 11px 14px;
  font-size: 14.5px;
  color: var(--jg-ink);
  background: #fff;
  border: 1px solid var(--jg-line);
  border-radius: 8px;
  outline: none;
  transition: all .2s ease;
  font-family: inherit;
}
.jg-form input:focus,
.jg-form select:focus,
.jg-form textarea:focus {
  border-color: var(--jg-brand);
  box-shadow: 0 0 0 3px rgba(14, 165, 160, .12);
}
.jg-form textarea { resize: vertical; min-height: 110px; }
.jg-form__notice {
  font-size: 12px;
  color: var(--jg-ink-mute);
  text-align: center;
  margin-top: 12px;
}

/* ─── Responsive 收尾 ─── */
@media (max-width: 960px) {
  .jg-pd { grid-template-columns: 1fr; gap: 32px; }
  .jg-contact { grid-template-columns: 1fr; gap: 36px; }
  .jg-pd__attrs { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .jg-form { padding: 24px; }
  .jg-form__row { grid-template-columns: 1fr; }
  .jg-case__cover { height: 130px; }
  .jg-news__cover { height: 130px; }
}