/* ============================================================
   闪盒网络 · 官网首页样式
   明亮蓝色系：白底浅灰分区 + 科技蓝
   ============================================================ */

:root {
  --blue: #1667f0;
  --blue-dark: #0b3ea8;
  --blue-deep: #082b78;
  --blue-light: #e8f1ff;
  --blue-grad: linear-gradient(120deg, #1667f0, #3b8bff);
  --orange: #f79009;
  --red: #e5484d;
  --green: #12b76a;
  --text: #1a2233;
  --text-2: #5a6a85;
  --text-3: #8a97ad;
  --line: #e6ecf5;
  --bg: #ffffff;
  --bg-gray: #f5f8fc;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(22, 103, 240, .07);
  --shadow-md: 0 14px 34px rgba(22, 103, 240, .14);
  --shadow-lg: 0 24px 60px rgba(8, 43, 120, .18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
b { font-weight: 700; }
em { font-style: normal; }

.container { width: min(1200px, 92%); margin: 0 auto; }
html, body { overflow-x: clip; }

/* ---------- 图标通用 ---------- */
.ic { width: 24px; height: 24px; display: inline-block; vertical-align: -.18em; flex-shrink: 0; }
.ic-14 { width: 14px; height: 14px; }
.ic-16 { width: 16px; height: 16px; }
.ic-18 { width: 18px; height: 18px; }
.ic-20 { width: 20px; height: 20px; }
.ic-22 { width: 22px; height: 22px; }
.ic-24 { width: 24px; height: 24px; }
.ic-28 { width: 28px; height: 28px; }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-grad);
  color: #fff;
  box-shadow: 0 6px 16px rgba(22, 103, 240, .3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(22, 103, 240, .4); }
.btn-ghost { color: var(--text); border: 1px solid var(--line); background: #fff; }
.btn-ghost:hover { color: var(--blue); border-color: var(--blue); }
.btn-light { background: #fff; color: var(--blue); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.18); }
.btn-outline-light { border: 1px solid rgba(255,255,255,.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-lg { padding: 13px 32px; font-size: 16px; border-radius: 10px; }
.btn-block { width: 100%; padding: 13px 0; font-size: 15px; }

/* ============================================================
   顶部公告条
   ============================================================ */
.topbar {
  background: var(--blue-deep);
  color: #cfe0ff;
  font-size: 13px;
  height: 38px;
  display: flex;
  align-items: center;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-notice { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.topbar-notice .ic { color: #7fd3ff; }
.notice-scroll { overflow: hidden; height: 38px; flex: 1; min-width: 0; }
.notice-scroll ul { transition: transform .5s ease; }
.notice-scroll li { height: 38px; line-height: 38px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notice-scroll li em {
  display: inline-block;
  font-size: 11px;
  color: #fff;
  background: rgba(255,255,255,.16);
  border-radius: 4px;
  padding: 0 6px;
  margin-right: 8px;
  line-height: 18px;
}
.notice-scroll li b { color: #ffd166; }
.topbar-links { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.topbar-links a { display: inline-flex; align-items: center; gap: 6px; }
.topbar-links a:hover { color: #fff; }
.topbar .divider { width: 1px; height: 12px; background: rgba(255,255,255,.25); }

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.navbar-inner { display: flex; align-items: center; height: 78px; gap: 28px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { height: 100px; width: auto; display: block; }
.logo-mark {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--blue-grad);
  color: #fff;
  display: grid; place-items: center;
  font-size: 21px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(22,103,240,.35);
}
.logo-text { font-size: 19px; font-weight: 800; line-height: 1.15; letter-spacing: 1px; }
.logo-text small { display: block; font-size: 10px; font-weight: 400; color: var(--text-3); letter-spacing: 2.5px; }
.logo-light .logo-text { color: #fff; }
.logo-light .logo-text small { color: rgba(255,255,255,.55); }
.logo-img-white { height: 72px; }

.nav-menu { flex: 1; }
.nav-menu > ul { display: flex; gap: 2px; }
.nav-menu > ul > li { position: relative; }
.nav-menu > ul > li > a {
  display: flex;
  align-items: center;
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 8px;
  transition: all .2s;
}
.nav-menu > ul > li > a:hover,
.nav-menu > ul > li > a.active { color: var(--blue); background: var(--blue-light); }
.nav-menu .nav-arrow { margin-left: 3px; opacity: .65; transition: transform .25s; }
.has-mega:hover .nav-arrow { transform: rotate(180deg); }
.nav-activity { display: inline-flex; align-items: center; gap: 5px; }
.ic-gift { color: #2f7bff; }
.nav-activity:hover .ic-gift { transform: translateY(-2px) rotate(-8deg); }
.nav-activity .ic { transition: transform .25s; }

/* 超级菜单 */
.has-mega .mega-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: -24px;
  transform: translateY(8px);
  width: min(960px, calc(100vw - 40px));
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  padding: 30px 30px 0;
  opacity: 0;
  visibility: hidden;
  transition: all .25s ease;
  z-index: 110;
}
.has-mega::before { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 16px; }
.has-mega:hover .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.mega-grid { display: grid; grid-template-columns: repeat(4, 1fr) 200px; gap: 24px; }
.mega-col h4 {
  display: flex; align-items: center; gap: 7px;
  font-size: 14px; margin-bottom: 14px; color: var(--text);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.mega-col h4 .ic { color: var(--blue); }
.mega-col a {
  display: block;
  padding: 8px 10px;
  margin: 0 -10px;
  border-radius: 10px;
  transition: all .2s;
}
.mega-col a b { display: flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text); }
.mega-col a small { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 1px; }
.mega-col a:hover { background: var(--blue-light); }
.mega-col a:hover b { color: var(--blue); }
.tag-hot {
  font-size: 10px;
  color: #fff;
  background: linear-gradient(90deg, #ff6a3d, #f79009);
  border-radius: 4px;
  padding: 0 5px;
  line-height: 16px;
  font-weight: 400;
}
.tag-new { font-size: 10px; color: #fff; background: var(--green); border-radius: 4px; padding: 0 5px; line-height: 16px; font-weight: 400; }

.mega-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 24px -30px 0;
  padding: 14px 30px;
  border-top: 1px solid var(--line);
  background: var(--bg-gray);
  border-radius: 0 0 16px 16px;
  font-size: 13px;
  color: var(--text-2);
}
.mega-foot span { display: inline-flex; align-items: center; gap: 8px; }
.mega-foot .ic { color: var(--blue); }
.mega-foot b { color: var(--blue); font-size: 14px; }
.mega-foot a { display: inline-flex; align-items: center; gap: 4px; color: var(--blue); font-weight: 600; }
.mega-foot a:hover { transform: translateX(3px); }

.mega-recommend {
  background: linear-gradient(160deg, #eef4ff, #f8fbff);
  border-radius: 12px;
  padding: 14px;
}
.mega-recommend h5 {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; margin-bottom: 10px;
}
.mega-recommend h5 .ic { color: var(--blue); }
.mega-card {
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  border: 1px solid var(--line);
  transition: all .2s;
}
.mega-card:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); }
.mega-card p { font-size: 13px; font-weight: 700; }
.mega-card span { display: block; font-size: 11px; color: var(--text-3); }
.mega-card b { color: var(--red); font-size: 14px; }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }

/* ============================================================
   Hero 轮播（统一高度 560px）
   ============================================================ */
.hero { position: relative; height: 560px; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .7s ease;
  background-color: #eef4fb;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero-slide.active { opacity: 1; visibility: visible; }

/* 三屏背景图（浅色 banner，左侧留一层白色渐变保证深色文字可读） */
.hero-bg-1 {
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.35) 42%, rgba(255,255,255,0) 75%),
    url("../img/hero-1.jpg");
}
.hero-bg-2 {
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.35) 42%, rgba(255,255,255,0) 75%),
    url("../img/hero-2.jpg");
}
.hero-bg-3 {
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.35) 42%, rgba(255,255,255,0) 75%),
    url("../img/hero-3.jpg");
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22,103,240,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,103,240,.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
}
.hero-slide::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,139,255,.16), transparent 65%);
  top: -180px; right: -120px;
}

.hero-inner {
  position: relative;
  z-index: 2;
  height: 560px;
  display: flex;
  align-items: center;
}
.hero-text { max-width: 640px; }

.hero-badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--blue);
  background: rgba(22,103,240,.08);
  border: 1px solid rgba(22,103,240,.25);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero-text h1 {
  font-size: 46px;
  line-height: 1.28;
  color: #0d1b34;
  font-weight: 800;
  margin-bottom: 16px;
}
.hero-text > p { font-size: 17px; color: #4b5b76; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 14px; }

/* 浅底轮播图：主按钮保持蓝底白字，次按钮改为深色描边 */
.hero-text .btn-light { border: 1px solid rgba(13,27,52,.08); }
.hero-text .btn-outline-light {
  border-color: rgba(13,27,52,.3);
  color: #0d1b34;
}
.hero-text .btn-outline-light:hover {
  background: rgba(13,27,52,.06);
  border-color: #0d1b34;
}

/* 三屏一致的标签行，保证内容高度一致 */
.hero-tags {
  display: flex;
  gap: 26px;
  margin-top: 34px;
  color: #3d4d68;
  font-size: 14px;
}
.hero-tags span { display: inline-flex; align-items: center; gap: 6px; }
.hero-tags .ic { color: var(--blue); }

.hero-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}
.hero-dots button {
  width: 26px; height: 5px;
  border-radius: 4px;
  background: rgba(13,27,52,.22);
  transition: all .3s;
}
.hero-dots button.active { background: var(--blue); width: 40px; }

/* 左右切换按钮 */
.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(13,27,52,.08);
  color: #0d1b34;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(13,27,51,.12);
  transition: all .25s;
  opacity: 0;
}
.hero-carousel:hover .hero-nav { opacity: 1; }
.hero-nav:hover { background: var(--blue); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(22,103,240,.35); }
.hero-prev { left: 22px; }
.hero-next { right: 22px; }
.hero-prev .ic { transform: rotate(135deg); }
.hero-next .ic { transform: rotate(-45deg); }

/* 内容进场动画（每屏切换都播放） */
.hero-slide.active .hero-text > * { animation: heroIn .8s ease both; }
.hero-slide.active .hero-text > *:nth-child(2) { animation-delay: .08s; }
.hero-slide.active .hero-text > *:nth-child(3) { animation-delay: .16s; }
.hero-slide.active .hero-text > *:nth-child(4) { animation-delay: .24s; }
.hero-slide.active .hero-text > *:nth-child(5) { animation-delay: .32s; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   核心指标条
   ============================================================ */
.metrics { position: relative; z-index: 12; margin-top: -48px; }
.metrics-inner {
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 26px 10px;
}
.metric {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border-right: 1px solid var(--line);
}
.metric:last-child { border-right: none; }
.metric .ic { color: var(--blue); }
.metric b { display: block; font-size: 26px; font-weight: 800; line-height: 1.2; color: var(--text); }
.metric span { font-size: 13px; color: var(--text-3); }

/* ============================================================
   通用 Section
   ============================================================ */
.section { padding: 88px 0; }
.featured { background: var(--bg-gray); }
.idc { background: #fff; }
.partners { background: var(--bg-gray); }
.regions { background: #fff; }
.news { background: var(--bg-gray); }

.section-head { text-align: center; margin-bottom: 46px; }
.section-head em {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--blue);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}
.section-head h2 { font-size: 34px; font-weight: 800; margin-bottom: 10px; }
.section-head p { color: var(--text-2); font-size: 15px; }

/* 左右分布的 section 头 */
.section-head.head-split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  text-align: left;
  gap: 48px;
}
.section-head.head-split p { max-width: 430px; margin: 0; font-size: 14px; }

/* ---------- 通用 Tab 按钮 ---------- */
.tab-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.tab-nav-left { justify-content: flex-start; }
.tab-btn {
  position: relative;
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  transition: all .25s;
}
.tab-btn i {
  font-style: normal;
  font-size: 12px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: 999px;
  padding: 0 7px;
  margin-left: 4px;
}
.tab-btn:hover { color: var(--blue); border-color: var(--blue); }
.tab-btn.active {
  background: var(--blue-grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(22,103,240,.3);
}
.tab-btn.active i { background: rgba(255,255,255,.22); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================================
   产品卡片（6 款 · 3×2）
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 26px 24px;
  overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.8,.3,1), box-shadow .35s, border-color .3s;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--blue-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.product-card::after {
  content: "";
  position: absolute;
  top: -60%; left: -120%;
  width: 60%; height: 220%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.75), transparent);
  transform: rotate(25deg) translateX(-40px);
  opacity: 0;
  pointer-events: none;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.product-card:hover::before { transform: scaleX(1); }
.product-card:hover::after { opacity: 1; animation: shine .85s ease; }
@keyframes shine {
  from { left: -120%; }
  to { left: 160%; }
}

.p-tag {
  position: absolute;
  top: 16px; right: 0;
  color: #fff;
  font-size: 11px;
  letter-spacing: 1px;
  padding: 2px 12px 2px 10px;
  border-radius: 6px 0 0 6px;
  background: linear-gradient(90deg, #ff6a3d, #f79009);
  box-shadow: 0 2px 8px rgba(247,144,9,.35);
}
.p-tag-red { background: linear-gradient(90deg, #e5484d, #f76a6e); box-shadow: 0 2px 8px rgba(229,72,77,.35); }
.p-tag-green { background: linear-gradient(90deg, #0f9d58, #12b76a); box-shadow: 0 2px 8px rgba(18,183,106,.35); }

.p-icon {
  width: 58px; height: 58px;
  border-radius: 15px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 16px;
  transition: all .35s;
}
.product-card:hover .p-icon {
  background: var(--blue-grad);
  color: #fff;
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 10px 22px rgba(22,103,240,.3);
}
.product-card h3 { font-size: 18px; margin-bottom: 6px; }
.product-card > p { font-size: 13.5px; color: var(--text-3); }

.p-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 14px; }
.p-chips span {
  font-size: 11.5px;
  color: var(--blue-dark);
  background: var(--blue-light);
  border-radius: 5px;
  padding: 2px 8px;
}
.p-price {
  font-size: 24px;
  font-weight: 800;
  color: var(--red);
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.p-price i { font-size: 12px; font-weight: 400; color: var(--text-3); }
.p-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
  margin-top: 10px;
  opacity: 0;
  transform: translateY(6px);
  transition: all .3s;
}
.product-card:hover .p-more { opacity: 1; transform: translateY(0); }

/* ============================================================
   精选热门推荐
   ============================================================ */
.featured-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 26px;
}
.featured-head em {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--blue);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}
.featured-head h2 { font-size: 34px; font-weight: 800; margin-bottom: 10px; }
.featured-head p { color: var(--text-2); font-size: 14px; max-width: 480px; }
.featured-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  white-space: nowrap;
  padding-bottom: 6px;
}
.fm-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(18,183,106,.18);
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.fm-refresh {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--blue);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .2s;
}
.fm-refresh:hover { border-color: var(--blue); background: var(--blue-light); }
.fm-refresh.spin .ic { animation: spinRefresh .8s ease; }
@keyframes spinRefresh { to { transform: rotate(360deg); } }

.deal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.deal-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  transition: transform .3s cubic-bezier(.2,.8,.3,1), box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.deal-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.deal-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.deal-card:hover::before { transform: scaleX(1); }

.deal-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.d-loc {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-2);
}
.d-loc i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(22,103,240,.15);
}
.d-badge {
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 6px;
  padding: 2px 9px;
}
.d-orange { color: var(--orange); background: rgba(247,144,9,.12); }
.d-blue { color: var(--blue); background: var(--blue-light); }
.deal-card h3 { font-size: 17px; margin-bottom: 4px; }
.d-sub {
  font-size: 12.5px;
  color: var(--text-3);
  min-height: 40px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.d-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: var(--bg-gray);
  border-radius: 10px;
  padding: 10px 12px;
  margin: 12px 0 14px;
}
.d-specs div { text-align: center; }
.d-specs span { display: block; font-size: 11px; color: var(--text-3); }
.d-specs b { font-size: 13px; font-weight: 700; }
.d-foot {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
}
.d-price span { display: block; font-size: 11px; color: var(--text-3); }
.d-price b { font-size: 22px; font-weight: 800; color: var(--red); }
.d-price i { font-style: normal; font-size: 12px; color: var(--text-3); font-weight: 400; }
.d-buy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--blue-grad);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 8px;
  padding: 9px 16px;
  transition: all .25s;
  white-space: nowrap;
}
.deal-card:hover .d-buy { box-shadow: 0 8px 18px rgba(22,103,240,.35); transform: translateY(-2px); }

.tab-panel.active .deal-card { animation: cardIn .5s ease both; }
.tab-panel.active .deal-card:nth-child(2) { animation-delay: .06s; }
.tab-panel.active .deal-card:nth-child(3) { animation-delay: .12s; }
.tab-panel.active .deal-card:nth-child(4) { animation-delay: .18s; }
.tab-panel.active .deal-card:nth-child(5) { animation-delay: .24s; }
.tab-panel.active .deal-card:nth-child(6) { animation-delay: .3s; }
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   数据中心基础业务（IDC Foundation）
   ============================================================ */
.idc-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 22px;
  align-items: stretch;
}
.idc-intro {
  background:
    radial-gradient(circle at 80% 15%, rgba(59,139,255,.16), transparent 55%),
    linear-gradient(165deg, #eaf2ff 0%, #f6faff 100%);
  border: 1px solid #d5e4fb;
  border-radius: 20px;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
}
.idc-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--blue-dark);
  background: #fff;
  border: 1px solid #cfe0ff;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.idc-badge::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue-grad);
}
.idc-intro h3 { font-size: 19px; line-height: 1.5; margin-bottom: 10px; }
.idc-intro > p { font-size: 13.5px; color: var(--text-2); margin-bottom: 22px; }
.idc-chart { width: 100%; height: auto; margin: auto 0; }
.idc-chart .line-a {
  fill: none;
  stroke: #1667f0;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: drawLine 2.2s .3s ease forwards;
}
.idc-chart .line-b {
  fill: none;
  stroke: #12b76a;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: drawLine 2.2s .6s ease forwards;
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }

.idc-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
}
.idc-mini div {
  background: #fff;
  border: 1px solid #d5e4fb;
  border-radius: 12px;
  text-align: center;
  padding: 12px 6px;
}
.idc-mini b { display: block; font-size: 14.5px; }
.idc-mini span { font-size: 11px; color: var(--text-3); }

.idc-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.idc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 22px;
  display: flex;
  gap: 14px;
  transition: all .3s;
}
.idc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.idc-ico {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: all .3s;
}
.idc-card:hover .idc-ico {
  background: var(--blue-grad);
  color: #fff;
  transform: scale(1.06) rotate(-5deg);
}
.idc-txt h4 { font-size: 16px; margin-bottom: 5px; }
.idc-txt p { font-size: 12.8px; color: var(--text-2); margin-bottom: 8px; }
.idc-txt em {
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
}
.idc-txt em::before { content: "— "; }

/* ============================================================
   合作品牌（跑马灯）
   ============================================================ */
.brand-rows {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand-row {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.brand-track {
  display: flex;
  width: max-content;
  animation: marquee var(--dur, 48s) linear infinite;
}
.brand-row.rev .brand-track { animation-direction: reverse; }
.brand-rows:hover .brand-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.brand-group { display: flex; gap: 16px; padding-right: 16px; }
.brand-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  padding: 18px 36px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .5px;
  white-space: nowrap;
  color: var(--brand, var(--text));
  transition: all .25s;
}
.brand-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

/* ============================================================
   行业解决方案（深色交互区）
   ============================================================ */
.solutions-dark {
  background:
    radial-gradient(circle at 12% 18%, rgba(59,139,255,.16), transparent 42%),
    radial-gradient(circle at 88% 85%, rgba(59,139,255,.1), transparent 45%),
    linear-gradient(135deg, #0c1220 0%, #161f33 55%, #0c1220 100%);
}
.section-head.head-light h2 { color: #fff; }
.section-head.head-light p { color: rgba(255,255,255,.6); }
.section-head.head-light em { color: #6ea8ff; }

.sol-panel {
  display: grid;
  grid-template-columns: 250px 1fr 230px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(4px);
}
.sol-menu {
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.sol-menu button {
  text-align: left;
  color: rgba(255,255,255,.6);
  font-size: 14.5px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 9px;
  transition: all .22s;
  white-space: nowrap;
}
.sol-menu button:hover { color: #fff; background: rgba(255,255,255,.06); }
.sol-menu button.active {
  color: #fff;
  background: var(--blue-grad);
  box-shadow: 0 6px 16px rgba(22,103,240,.35);
}
.sol-body { padding: 32px 36px 28px; display: flex; flex-direction: column; }
.sol-detail { flex: 1; }
.sol-detail h3 { color: #fff; font-size: 22px; margin-bottom: 14px; }
.sol-detail p {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 1.9;
  min-height: 106px;
  margin: 0;
}
.sol-feats { display: flex; gap: 30px; margin: 10px 0 6px; }
.sol-feat { text-align: center; color: rgba(255,255,255,.78); font-size: 13px; }
.sol-feat .ic { width: 26px; height: 26px; color: #6ea8ff; display: block; margin: 0 auto 6px; }
.sol-detail.slide-in { animation: solIn .4s ease both; }
@keyframes solIn {
  from { opacity: 0; transform: translateX(14px); }
  to { opacity: 1; transform: translateX(0); }
}
.sol-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.sol-btn-ghost {
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  background: transparent;
}
.sol-btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }

.sol-qr {
  border-left: 1px solid rgba(255,255,255,.08);
  padding: 30px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.sol-qr h5 { color: #fff; font-size: 14.5px; }
.qr-big i {
  display: block;
  width: 124px; height: 124px;
  margin: 0 auto;
  border-radius: 14px;
  background: repeating-conic-gradient(#e2e8f2 0 25%, #f4f7fc 0 50%) 0 0 / 18px 18px;
  border: 3px solid rgba(255,255,255,.9);
  box-shadow: 0 10px 26px rgba(0,0,0,.35);
}
.sol-qr p { color: rgba(255,255,255,.45); font-size: 12px; margin: 0; }

/* ============================================================
   多地资源（世界地图 + 地区面板）
   ============================================================ */
.region-panel {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 22px;
  align-items: stretch;
}

.region-map {
  background:
    linear-gradient(rgba(22,103,240,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,103,240,.045) 1px, transparent 1px),
    #fbfdff;
  background-size: 36px 36px, 36px 36px, auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 24px;
  min-height: 420px;
  position: relative;
}
.world { width: 100%; height: auto; display: block; }

.world .land path {
  fill: #e9f0fa;
  stroke: #bcd3ef;
  stroke-width: 1;
  stroke-linejoin: round;
  transition: fill .35s;
}
.world .land path.cn {
  fill: #cfe1fb;
  stroke: #5b8ff0;
  stroke-width: 1.2;
}
.region-map:hover .land path { fill: #e2ebf8; }
.region-map:hover .land path.cn { fill: #c7dcfb; }

.map-legend {
  position: absolute;
  left: 32px; bottom: 26px;
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-2);
  background: rgba(255,255,255,.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
}
.map-legend span { display: inline-flex; align-items: center; gap: 6px; }
.map-legend i { width: 9px; height: 9px; border-radius: 50%; }
.lg-on { background: var(--blue); box-shadow: 0 0 0 3px rgba(22,103,240,.16); }
.lg-cn { background: #cfe1fb; border: 1px solid #5b8ff0; }

.world .arc path {
  fill: none;
  stroke: rgba(22,103,240,.35);
  stroke-width: 2;
  stroke-dasharray: 7 11;
  animation: dashMove 1.8s linear infinite;
}
@keyframes dashMove { to { stroke-dashoffset: -39; } }

.map-node .core {
  fill: var(--blue);
  transition: all .3s;
}
.map-node .ring {
  fill: rgba(22,103,240,.14);
  stroke: rgba(22,103,240,.45);
  stroke-width: 1;
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: .4; }
}
.map-node .label { opacity: 0; transition: opacity .3s; pointer-events: none; }
.map-node .label rect {
  fill: #fff;
  stroke: #cfe0ff;
  filter: drop-shadow(0 3px 8px rgba(8,43,120,.15));
}
.map-node .label text {
  fill: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-anchor: middle;
}
.map-node.labeled .label { opacity: 1; }
.map-node.active .core { fill: var(--orange); }
.map-node.active .ring { fill: rgba(247,144,9,.16); stroke: rgba(247,144,9,.6); }
.map-node.active .label { opacity: 1; }
.map-node { cursor: pointer; }

.region-side {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
}
.rs-eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 10px;
}
.region-side h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.rs-desc { font-size: 13.5px; color: var(--text-2); margin-bottom: 22px; }

.region-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
.region-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-gray);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  transition: all .22s;
  white-space: nowrap;
  overflow: hidden;
}
.region-chip i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  transition: all .22s;
}
.region-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.region-chip.active {
  background: var(--blue-light);
  border-color: var(--blue);
  color: var(--blue-dark);
}
.region-chip.active i { background: var(--orange); box-shadow: 0 0 0 3px rgba(247,144,9,.2); }

.rs-count { font-size: 13px; color: var(--text-2); margin-bottom: 16px; }
.rs-count b { color: var(--blue); font-size: 15px; }

/* ============================================================
   新闻
   ============================================================ */
.news-tabs {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  padding: 28px 34px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.news-tabs .tab-nav { justify-content: flex-start; margin-bottom: 16px; }
.news-tabs .tab-btn { padding: 8px 20px; font-size: 14px; }

.news-list li { border-bottom: 1px dashed var(--line); }
.news-list li:last-child { border-bottom: none; }
.news-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 13px 6px;
  transition: all .2s;
  animation: cardIn .4s ease both;
}
.news-list a:hover { padding-left: 12px; }
.news-list a:hover .n-title { color: var(--blue); }
.n-title {
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s;
}
.n-title::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  margin-right: 10px;
  vertical-align: middle;
}
.news-list time { font-size: 13px; color: var(--text-3); flex-shrink: 0; }

/* ============================================================
   CTA 转化区
   ============================================================ */
.cta-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(255,255,255,.22), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255,255,255,.14), transparent 40%),
    linear-gradient(120deg, #3b8bff, #6aa9ff);
  padding: 78px 0;
  text-align: center;
}
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.cta-inner > p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 24px; }
.cta-promise {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  color: rgba(255,255,255,.92);
  font-size: 14px;
  margin-bottom: 32px;
}
.cta-promise span { display: inline-flex; align-items: center; gap: 6px; }
.cta-btns { justify-content: center; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: #0d1b33; color: #9fb0cc; font-size: 13.5px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr) 1.2fr;
  gap: 36px;
  padding: 60px 0 40px;
}
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a { display: block; padding: 4px 0; color: #9fb0cc; transition: all .2s; }
.footer-col a:hover { color: #fff; transform: translateX(3px); }
.footer-brand p { margin: 16px 0; }
.footer-contact p { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.footer-contact .ic { color: #6f8bb5; }

.qr-row { display: flex; gap: 14px; }
.qr-box { text-align: center; }
.qr-box i {
  display: block;
  width: 84px; height: 84px;
  border-radius: 8px;
  background: repeating-conic-gradient(#9fb0cc 0 25%, #33456a 0 50%) 0 0 / 12px 12px;
  margin-bottom: 6px;
  border: 2px solid #33456a;
}
.qr-box span { font-size: 11px; }

.footer-bottom { border-top: 1px solid #223457; padding: 18px 0; font-size: 12.5px; color: #6d7f9e; text-align: center; }

/* ============================================================
   右侧悬浮栏（客服 / 活动 / 工单 / 电话 / 返回顶部）
   ============================================================ */
.side-rail {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.rail-group {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rail-item {
  width: 56px;
  padding: 9px 0 7px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-2);
  transition: all .22s;
}
.rail-item i { font-style: normal; font-size: 11.5px; }
.rail-item:hover { background: var(--blue-light); color: var(--blue); }

.rail-top {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  display: grid;
  place-items: center;
  color: var(--text-2);
  transition: all .25s;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}
.rail-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.rail-top:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ============================================================
   客服弹窗
   ============================================================ */
.service-modal { position: fixed; inset: 0; z-index: 200; display: none; }
.service-modal.open { display: block; }
.service-mask { position: absolute; inset: 0; background: rgba(13,27,51,.55); backdrop-filter: blur(3px); animation: fadeIn .25s ease both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.service-dialog.sv2 {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(1080px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
  background: #f2f6fc;
  border-radius: 18px;
  padding: 0;
  animation: dialogIn .3s cubic-bezier(.2, .9, .3, 1.2) both;
}
@keyframes dialogIn {
  from { opacity: 0; transform: translate(-50%, -42%) scale(.92); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
/* 顶部横幅 */
.sv-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background:
    radial-gradient(circle at 78% 30%, rgba(255,255,255,.22), transparent 45%),
    linear-gradient(100deg, #1667f0 0%, #3b8bff 70%, #5ea0ff 100%);
  padding: 18px 54px 18px 26px;
  position: sticky;
  top: 0;
  z-index: 2;
}
.sv-headset {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sv-banner-t h3 { color: #fff; font-size: 21px; margin: 0; }
.sv-banner-t p { color: rgba(255,255,255,.85); font-size: 12.5px; margin-top: 2px; }
.sv-slogan {
  margin-left: auto;
  font-style: normal;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  text-align: right;
  line-height: 1.6;
  letter-spacing: 1px;
}
.sv-close {
  position: absolute;
  top: 14px; right: 16px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  color: #fff;
  display: grid;
  place-items: center;
  transition: all .25s;
}
.sv-close:hover { background: rgba(255,255,255,.35); transform: rotate(90deg); }

/* 主体两栏 */
.sv-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 12px;
  padding: 14px 14px 14px;
}
.sv-col { display: flex; flex-direction: column; gap: 12px; }
.sv-card-bare { flex: 1; display: flex; flex-direction: column; }
.sv-card-bare .sv-agent { flex: 1; min-height: 0; }
.sv-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 15px;
  flex: 1;
}
.sv-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.sv-card-head b {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
}
.sv-card-head b i {
  width: 4px; height: 15px;
  border-radius: 2px;
  background: var(--blue-grad);
}
.sv-card-head span { font-size: 11.5px; color: var(--text-3); }

/* 客服人员 */
.sv-agent {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
}
.sv-agent + .sv-agent { border-top: 1px dashed var(--line); }
.sv-ava {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sv-ava-g { background: #fff4e5; color: #f79009; }
.sv-agent-info { flex: 1; min-width: 0; }
.sv-agent-info b { font-size: 14px; display: block; }
.sv-agent-info p { font-size: 11.5px; color: var(--text-3); margin-top: 2px; }
.sv-agent-btns { display: flex; gap: 8px; }
.sv-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 7px 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  transition: all .2s;
  white-space: nowrap;
}
.sv-btn .ic { color: #12b76a; }
.sv-btn small { display: block; font-size: 10.5px; color: var(--text-3); font-weight: 400; }
.sv-btn-wx .ic { color: var(--green); }
.sv-btn:hover { border-color: var(--blue); background: var(--blue-light); transform: translateY(-2px); }

/* 右栏行 */
.sv-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 8px;
}
.sv-row:last-child { margin-bottom: 0; }
.sv-ic-box {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sv-row-t { flex: 1; min-width: 0; }
.sv-row-t b { font-size: 13.5px; display: block; }
.sv-row-t p { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.sv-row-t p small { display: block; font-size: 11px; }
.sv-row-t .sv-tel { color: var(--blue); font-size: 15px; font-weight: 700; letter-spacing: .5px; }
.sv-submit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--blue-grad);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 999px;
  padding: 8px 16px;
  flex-shrink: 0;
  transition: all .2s;
}
.sv-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(22,103,240,.3); }
.sv-submit-ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.sv-submit-ghost:hover { border-color: var(--blue); color: var(--blue); box-shadow: none; }

/* 底部条 */
.sv-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 20px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.sv-brand { display: flex; align-items: baseline; gap: 8px; }
.sv-brand b { font-size: 16px; }
.sv-brand small { font-size: 10px; color: var(--text-3); letter-spacing: 1px; }
.sv-foot nav { display: flex; gap: 22px; font-size: 12.5px; color: var(--text-2); }
.sv-foot nav a:hover { color: var(--blue); }
.sv-foot em { font-style: normal; font-size: 11.5px; color: var(--text-3); letter-spacing: 2px; }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(13,27,51,.92);
  color: #fff;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 999px;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 300;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ============================================================
   滚动进入动画
   ============================================================ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .hero { height: 540px; }
  .hero-inner { height: 540px; }
  .hero-text h1 { font-size: 38px; }

  .product-grid, .deal-grid { grid-template-columns: repeat(2, 1fr); }
  .idc-grid { grid-template-columns: 1fr; }
  .region-panel { grid-template-columns: 1fr; }
  .region-map { min-height: 360px; }
  .mega-grid { grid-template-columns: repeat(3, 1fr); }
  .mega-recommend { display: none; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .featured-head { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 820px) {
  .topbar-links { display: none; }
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 84vw);
    height: 100vh;
    background: #fff;
    padding: 90px 24px 24px;
    transform: translateX(100%);
    transition: transform .35s ease;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    z-index: 99;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu > ul { flex-direction: column; gap: 4px; }
  .nav-menu > ul > li > a { padding: 12px 16px; }
  .has-mega .mega-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    width: 100%;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    display: none;
  }
  .has-mega.open .mega-menu { display: block; }
  .has-mega::before { display: none; }
  .mega-grid { grid-template-columns: 1fr; }
  .navbar::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(13,27,51,.4);
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
    z-index: 98;
  }
  body.menu-open .navbar::after { opacity: 1; visibility: visible; }

  .hero { height: 620px; }
  .hero-inner { height: 620px; }
  .hero-text h1 { font-size: 32px; }
  .hero-text > p { font-size: 15px; }
  .hero-tags { gap: 14px; flex-wrap: wrap; }
  .metrics { margin-top: -40px; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); gap: 18px 0; padding: 22px 6px; }
  .metric:nth-child(2) { border-right: none; }
  .metric b { font-size: 22px; }

  .section { padding: 60px 0; }
  .section-head h2, .featured-head h2 { font-size: 26px; }
  .section-head.head-split { flex-direction: column; align-items: flex-start; gap: 12px; }
  .product-grid, .deal-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .idc-cards { grid-template-columns: 1fr; }
  .region-chips { grid-template-columns: repeat(2, 1fr); }
  .region-side { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sol-panel { grid-template-columns: 1fr; }
  .sol-menu {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .sol-menu button { white-space: nowrap; }
  .sol-qr { display: none; }
  .brand-card { padding: 12px 22px; font-size: 16px; }
  .cta-inner h2 { font-size: 24px; }
  .side-rail { display: none; }
}

@media (max-width: 520px) {
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns, .cta-btns { flex-direction: column; align-items: stretch; }
  .metrics-inner { grid-template-columns: 1fr; }
  .metric { border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
  .metric:last-child { border-bottom: none; }
  .sv-grid { grid-template-columns: 1fr; }
  .sv-agent { flex-wrap: wrap; }
  .sv-slogan { display: none; }
  .navbar-inner { height: 76px; }
  .logo-img { height: 60px; }
  .region-chips { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   内页通用：页面头部 / 面包屑 / 子导航
   ============================================================ */
.page-banner {
  background:
    radial-gradient(circle at 85% 20%, rgba(59,139,255,.28), transparent 45%),
    linear-gradient(120deg, #1667f0, #3b8bff);
  padding: 46px 0 42px;
  color: #fff;
}
.crumb { font-size: 13px; color: rgba(255,255,255,.75); display: flex; align-items: center; gap: 8px; }
.crumb a { color: rgba(255,255,255,.85); }
.crumb a:hover { color: #fff; }
.crumb i { font-style: normal; opacity: .5; }
.crumb span { color: #fff; }
.page-banner h1 { color: #fff; font-size: 34px; margin: 10px 0 6px; }
.page-banner p { color: rgba(255,255,255,.85); font-size: 14.5px; margin: 0; }

/* 关于我们子导航（不吸顶，随页面滚动离开；产品页 #prodNav 同为 static） */
.sub-nav {
  position: static;
  z-index: 90;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
/* 产品页（server/package/hosting）子导航：固定在 hero 区下方，不吸顶跟随 */
#prodNav { position: static; }
.sub-nav-inner { display: flex; gap: 6px; overflow-x: auto; }
.sub-nav-inner a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-2);
  padding: 15px 20px;
  white-space: nowrap;
  transition: color .2s;
}
.sub-nav-inner a::after {
  content: "";
  position: absolute;
  left: 20px; right: 20px; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-grad);
  transform: scaleX(0);
  transition: transform .25s;
}
.sub-nav-inner a:hover { color: var(--blue); }
.sub-nav-inner a.active { color: var(--blue); }
.sub-nav-inner a.active::after { transform: scaleX(1); }

/* 导航栏二级下拉（关于我们） */
.has-sub .sub-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 190px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all .25s ease;
  z-index: 110;
}
.has-sub::before { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 16px; }
.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.has-sub:hover .nav-arrow { transform: rotate(180deg); }
.sub-menu a {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  color: var(--text-2);
  padding: 10px 12px;
  border-radius: 8px;
  transition: all .2s;
}
.sub-menu a .ic { color: var(--blue); }
.sub-menu a:hover { background: var(--blue-light); color: var(--blue); }

/* ============================================================
   关于我们
   ============================================================ */
.about-sec { padding: 54px 0; }
.about-sec.alt { background: var(--bg-gray); }
.about-intro {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: center;
}
.intro-text em { font-style: normal; font-size: 12px; letter-spacing: 2px; color: var(--blue); font-weight: 700; }
.intro-text h2 { font-size: 26px; margin: 8px 0 14px; }
.intro-text p { font-size: 14.5px; color: var(--text-2); line-height: 1.95; margin-bottom: 10px; }
.intro-tags { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 16px; }
.intro-tags span { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text-2); }
.intro-tags .ic { color: var(--green); }
.intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.intro-stats div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  text-align: center;
}
.intro-stats b { display: block; font-size: 30px; color: var(--blue); line-height: 1.2; }
.intro-stats b i { font-style: normal; font-size: 18px; }
.intro-stats span { font-size: 12.5px; color: var(--text-3); }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: all .3s;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-ico {
  width: 54px; height: 54px;
  border-radius: 15px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 16px;
  transition: all .3s;
}
.svc-card:hover .svc-ico { background: var(--blue-grad); color: #fff; }
.svc-card h4 { font-size: 17px; margin-bottom: 8px; }
.svc-card p { font-size: 13.5px; color: var(--text-2); margin: 0; }

/* 发展历程 */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px 24px;
  padding-top: 10px;
}
.tl-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px 22px 22px;
  transition: all .3s;
}
.tl-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.tl-dot {
  position: absolute;
  left: -6px; top: 26px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--blue-grad);
  box-shadow: 0 0 0 4px rgba(22,103,240,.14);
}
.tl-item b { font-size: 22px; color: var(--blue); }
.tl-item h4 { font-size: 16px; margin: 4px 0 6px; }
.tl-item p { font-size: 13.5px; color: var(--text-2); margin: 0; }

/* 企业文化 */
.cul-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cul-card {
  background: linear-gradient(160deg, #f5f9ff, #eef4ff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: all .3s;
}
.cul-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cul-ico {
  width: 52px; height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fff;
  color: var(--blue);
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(22,103,240,.15);
}
.cul-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.cul-card p { font-size: 13px; color: var(--text-2); margin: 0; }

/* 法律声明 */
.legal-list { display: flex; flex-direction: column; gap: 14px; max-width: 960px; }
.legal-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.legal-item h4 { display: flex; align-items: center; gap: 10px; font-size: 16.5px; margin-bottom: 8px; }
.legal-item h4 span { width: 4px; height: 16px; border-radius: 2px; background: var(--blue-grad); }
.legal-item p { font-size: 14px; color: var(--text-2); line-height: 1.9; margin: 0; }

/* 资质与合规 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cert-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all .3s;
}
.cert-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.cert-ico {
  width: 52px; height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
}
.cert-card b { display: inline-block; font-size: 13px; color: var(--blue); background: var(--blue-light); border-radius: 999px; padding: 3px 12px; }
.cert-card h4 { font-size: 16px; margin: 10px 0 6px; }
.cert-card p { font-size: 12.5px; color: var(--text-3); margin: 0; }
.compliance-note {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  background: linear-gradient(120deg, #eef4ff, #f7fbff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.compliance-note .ic { color: var(--blue); flex-shrink: 0; margin-top: 3px; }
.compliance-note b { font-size: 15.5px; display: block; margin-bottom: 6px; }
.compliance-note p { font-size: 13.5px; color: var(--text-2); line-height: 1.9; margin: 0; }

/* 反馈 / 举报 / 投诉 */
.fb-grid { display: grid; grid-template-columns: minmax(0, 1fr) 440px; gap: 24px; align-items: start; }
.fb-left { min-width: 0; }
.fb-channels { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fb-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: all .25s;
}
.fb-channel:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.fb-ico {
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.fb-channel b { font-size: 14px; display: block; }
.fb-channel p { font-size: 12.5px; color: var(--text-3); margin: 2px 0 0; }
.fb-flow {
  margin-top: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.fb-flow h4 { font-size: 16px; margin-bottom: 16px; }
.flow-steps { display: flex; align-items: center; gap: 10px; }
.flow-step {
  flex: 1;
  text-align: center;
  background: var(--bg-gray);
  border-radius: 12px;
  padding: 14px 8px;
  position: relative;
}
.flow-step b {
  display: inline-grid;
  place-items: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--blue-grad);
  color: #fff;
  font-size: 12.5px;
  margin-bottom: 6px;
}
.flow-step span { display: block; font-size: 12.5px; color: var(--text-2); }
.flow-note { font-size: 12.5px; color: var(--text-3); margin: 14px 0 0; }

.fb-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px;
}
.fb-form h4 { font-size: 17px; margin-bottom: 18px; }
.fb-field { margin-bottom: 14px; }
.fb-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fb-field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 600; }
.fb-field input,
.fb-field select,
.fb-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: all .2s;
  outline: none;
}
.fb-field input:focus,
.fb-field select:focus,
.fb-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,103,240,.12); }
.fb-field textarea { resize: vertical; }
.fb-form .btn { width: 100%; border: none; }
.fb-tip { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-3); margin: 12px 0 0; }
.fb-tip .ic { color: var(--green); }

/* ============================================================
   新闻中心
   ============================================================ */
.news-page { padding: 40px 0 60px; background: #fff; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
.news-main { min-width: 0; }
.news-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.news-tabs .tab-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  border-radius: 999px;
  padding: 8px 20px;
  cursor: pointer;
  transition: all .25s;
}
.news-tabs .tab-btn:hover { border-color: var(--blue); color: var(--blue); }
.news-tabs .tab-btn.active { background: var(--blue-grad); border-color: transparent; color: #fff; }

.news-top {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  background: var(--bg-gray);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  transition: all .3s;
}
.news-top:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.nt-cover {
  min-height: 200px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.28), transparent 45%),
    linear-gradient(135deg, #1667f0, #6aa9ff);
  display: grid;
  place-items: center;
}
.nt-cover span { color: rgba(255,255,255,.65); font-size: 40px; font-weight: 800; letter-spacing: 6px; }
.nt-body { padding: 24px 26px; }
.nt-body h3 { font-size: 20px; margin: 10px 0 10px; }
.nt-body p { font-size: 14px; color: var(--text-2); line-height: 1.9; margin: 0 0 12px; }
.nt-meta { font-size: 12.5px; color: var(--text-3); }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: all .25s;
}
.news-item:hover { background: var(--bg-gray); padding-left: 12px; }
.ni-date {
  width: 62px;
  flex-shrink: 0;
  text-align: center;
  background: var(--bg-gray);
  border-radius: 12px;
  padding: 10px 0;
}
.ni-date b { display: block; font-size: 22px; color: var(--blue); line-height: 1.1; }
.ni-date span { font-size: 11.5px; color: var(--text-3); }
.ni-body { flex: 1; min-width: 0; }
.ni-tag {
  display: inline-block;
  font-size: 11.5px;
  color: var(--blue);
  background: var(--blue-light);
  border-radius: 4px;
  padding: 2px 8px;
}
.ni-body h3 { font-size: 17px; margin: 6px 0 6px; transition: color .2s; }
.news-item:hover .ni-body h3 { color: var(--blue); }
.ni-body p {
  font-size: 13.5px;
  color: var(--text-2);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ni-more { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--text-3); flex-shrink: 0; }
.news-item:hover .ni-more { color: var(--blue); }

.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 34px; }
.pg-item {
  min-width: 38px;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  color: var(--text-2);
  transition: all .25s;
}
.pg-item:hover { border-color: var(--blue); color: var(--blue); }
.pg-item.active { background: var(--blue-grad); border-color: transparent; color: #fff; }
.pg-dots { color: var(--text-3); }

.news-side { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 96px; }
.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.side-card h4 { font-size: 16px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.hot-item { display: block; padding: 10px 0; }
.hot-item + .hot-item { border-top: 1px dashed var(--line); }
.hot-item b { font-size: 12.5px; color: var(--blue); font-weight: 600; }
.hot-item p { font-size: 13.5px; color: var(--text); margin: 4px 0; line-height: 1.6; }
.hot-item:hover p { color: var(--blue); }
.hot-item span { font-size: 11.5px; color: var(--text-3); }
.side-qr { text-align: center; }
.side-qr i {
  display: block;
  width: 130px; height: 130px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: repeating-conic-gradient(#e2e8f2 0 25%, #f4f7fc 0 50%) 0 0 / 16px 16px;
  border: 1px solid var(--line);
}
.side-qr span { font-size: 12.5px; color: var(--text-3); line-height: 1.8; }
.side-contact p { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-2); margin-bottom: 8px; }
.side-contact .ic { color: var(--blue); }
.side-contact .btn { width: 100%; border: none; margin-top: 6px; }

@media (max-width: 1080px) {
  .about-intro { grid-template-columns: 1fr; }
  .svc-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cul-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .fb-grid { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .news-side { position: static; }
}

@media (max-width: 820px) {
  .page-banner { padding: 32px 0 28px; }
  .page-banner h1 { font-size: 26px; }
  .sub-nav { top: 76px; }
  .svc-grid, .cert-grid, .cul-grid, .timeline, .intro-stats { grid-template-columns: 1fr; }
  .fb-channels { grid-template-columns: 1fr; }
  .fb-row { grid-template-columns: 1fr; }
  .news-top { grid-template-columns: 1fr; }
  .nt-cover { min-height: 140px; }
  .news-item { flex-wrap: wrap; }
  .ni-body p { white-space: normal; }
  .flow-steps { flex-wrap: wrap; }
  .has-sub .sub-menu { left: 0; transform: translateY(8px); }
  .has-sub:hover .sub-menu { transform: translateY(0); }
}

/* ============================================================
   关于我们：轮播横幅（左侧文案 + 右侧实景图）
   ============================================================ */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 420px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.about-hero-bg-1 {
  background:
    linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.8) 38%, rgba(255,255,255,.25) 62%, rgba(255,255,255,0) 100%),
    url("../img/about-hero-1.jpg") center / cover no-repeat;
}
.page-hero .crumb { margin-bottom: 16px; color: var(--text-3); }
.page-hero .crumb a { color: var(--text-2); }
.page-hero .crumb a:hover { color: var(--blue); }
.page-hero .crumb span { color: var(--text); }
.ph-text h1 { font-size: 40px; color: #0d1b34; margin: 14px 0 12px; }
.ph-text p { font-size: 16px; color: #4b5b76; line-height: 1.9; margin-bottom: 26px; }
.btn-white { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn-white:hover { border-color: var(--blue); color: var(--blue); }

@media (max-width: 820px) {
  .page-hero { min-height: 300px; }
  .ph-text h1 { font-size: 28px; }
  .ph-text p br { display: none; }
}

/* 新闻中心横幅底图 */
.news-hero-bg-1 {
  background:
    linear-gradient(90deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.85) 42%, rgba(255,255,255,.3) 66%, rgba(255,255,255,0) 100%),
    url("../img/news-hero-1.jpg") center / cover no-repeat;
}
.ph-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.ph-chips span {
  font-size: 12.5px;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 14px;
}

/* 一站式服务：横向条目式布局 */
.svc-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  max-width: 1080px;
  margin: 0 auto;
}
.svc-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 10px;
  border-bottom: 1px solid var(--line);
  border-radius: 12px;
  transition: all .25s;
}
.svc-item:hover { background: var(--blue-light); padding-left: 16px; padding-right: 16px; }
.svc-item .svc-ico { margin-bottom: 0; flex-shrink: 0; }
.svc-txt { flex: 1; min-width: 0; }
.svc-txt h4 { font-size: 16.5px; margin-bottom: 5px; }
.svc-txt p { font-size: 13.5px; color: var(--text-2); margin: 0; }
.svc-num {
  font-size: 26px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(22,103,240,.35);
  flex-shrink: 0;
  transition: all .25s;
}
.svc-item:hover .svc-num { -webkit-text-stroke: 1px var(--blue); }

@media (max-width: 820px) {
  .svc-list { grid-template-columns: 1fr; gap: 0; }
}

/* 新闻横幅：右侧整图完整展示（不再用 cover 裁切） */
.news-hero { min-height: 360px; background: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero .ph-img {
  position: absolute;
  right: 0; top: 0;
  height: 100%;
  width: auto;
  max-width: 60%;
  object-fit: contain;
  object-position: right center;
}
.news-hero .ph-text { position: relative; max-width: 560px; }

@media (max-width: 820px) {
  .news-hero { min-height: 280px; }
  .news-hero .ph-img { max-width: 100%; opacity: .28; }
}

/* ============================================================
   产品页（server / package / hosting）
   ============================================================ */
.prod-hero { min-height: 420px; background: #fefefe; }
.play-dot {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--blue-grad);
  color: #fff;
  vertical-align: 6px;
  margin-left: 8px;
  box-shadow: 0 6px 16px rgba(22,103,240,.35);
  cursor: pointer;
  transition: transform .25s;
}
.play-dot:hover { transform: scale(1.1); }
.play-dot .ic { width: 16px; height: 16px; }
.btn-doc { display: inline-flex; align-items: center; font-size: 15px; font-weight: 600; color: var(--blue); padding: 0 10px; }
.btn-doc:hover { opacity: .75; }

.prod-sec { padding: 54px 0; }
.prod-sec.alt { background: var(--bg-gray); }
.prod-sec .section-head { margin-bottom: 30px; }

/* 实例规格卡片：顶部彩条 + KV 参数表 + 场景标签 */
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.spec-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: all .3s;
}
.spec-card::before {
  content: "";
  height: 5px;
  border-radius: 16px 16px 0 0;
}
.spec-card.a-blue::before  { background: var(--blue-grad); }
.spec-card.a-orange::before { background: linear-gradient(90deg, #ff8a3d, #ff6a2b); }
.spec-card.a-teal::before  { background: linear-gradient(90deg, #2fd4a7, #0fbf94); }
.spec-card.a-dark::before  { background: linear-gradient(90deg, #33405a, #0d1b34); }
.spec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.spec-card.rec {
  border-color: rgba(22,103,240,.45);
  box-shadow: 0 14px 34px rgba(22,103,240,.14);
}
.spec-head { padding: 20px 22px 14px; }
.spec-head b { display: flex; align-items: center; gap: 8px; font-size: 17.5px; }
.spec-head p { font-size: 12.5px; color: var(--text-3); margin: 7px 0 0; line-height: 1.6; }
.reco-badge {
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, #ff8a3d, #ff5f2e);
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: auto;
}
.spec-kv { padding: 4px 22px 14px; }
.spec-kv .kv {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}
.spec-kv .kv:last-child { border-bottom: none; }
.spec-kv .kv span { color: var(--text-3); flex-shrink: 0; }
.spec-kv .kv b { font-weight: 700; color: var(--text); text-align: right; }
.spec-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 22px 16px; margin-top: auto; }
.spec-tags em {
  font-style: normal;
  font-size: 11.5px;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid rgba(22,103,240,.2);
  border-radius: 6px;
  padding: 3px 10px;
}
.spec-card.a-teal .spec-tags em { color: #0fbf94; background: rgba(15,191,148,.08); border-color: rgba(15,191,148,.25); }
.spec-card.a-orange .spec-tags em { color: #ff6a2b; background: rgba(255,106,43,.07); border-color: rgba(255,106,43,.25); }
.spec-card.a-dark .spec-tags em { color: #33405a; background: rgba(13,27,52,.06); border-color: rgba(13,27,52,.18); }
.spec-price { padding: 14px 22px 16px; border-top: 1px solid var(--line); display: flex; align-items: baseline; gap: 2px; }
.spec-price em { font-style: normal; font-size: 30px; font-weight: 800; color: #ff5f2e; }
.spec-price i { font-style: normal; font-size: 13px; color: var(--text-3); }
.spec-card.a-blue .spec-price em { color: var(--blue); }
.spec-card.a-teal .spec-price em { color: #0fbf94; }
.spec-btns { display: flex; gap: 10px; padding: 0 22px 22px; }
.btn-consult, .btn-order {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 600;
  transition: all .25s;
}
.btn-consult { border: 1px solid var(--blue); color: var(--blue); background: #fff; }
.btn-consult:hover { background: var(--blue-light); }
.btn-order { background: var(--blue-grad); color: #fff; border: 1px solid transparent; }
.btn-order:hover { box-shadow: 0 8px 18px rgba(22,103,240,.35); transform: translateY(-2px); }
.spec-card.a-dark .btn-order, .spec-card.a-orange .btn-order { background: linear-gradient(135deg, #33405a, #0d1b34); }
.spec-card.a-dark .btn-order:hover, .spec-card.a-orange .btn-order:hover { box-shadow: 0 8px 18px rgba(13,27,52,.3); }
.spec-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--text-3);
}
.spec-tip .ic { color: var(--blue); }

/* 产品优势 */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adv-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: all .3s;
}
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.adv-ico {
  width: 50px; height: 50px;
  border-radius: 14px;
  background: var(--blue-light);
  color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 14px;
  transition: all .3s;
}
.adv-card:hover .adv-ico { background: var(--blue-grad); color: #fff; }
.adv-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.adv-card p { font-size: 13.5px; color: var(--text-2); margin: 0; }

/* 应用场景 */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene-card {
  background: linear-gradient(165deg, #f5f9ff, #eef4ff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: all .3s;
}
.scene-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); background: #fff; }
.scene-ico {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fff;
  color: var(--blue);
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(22,103,240,.15);
}
.scene-card h4 { font-size: 16.5px; margin-bottom: 8px; }
.scene-card p { font-size: 13px; color: var(--text-2); margin: 0; }

/* 产品功能 */
.feat-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; max-width: 1080px; margin: 0 auto; }
.feat-item {
  display: flex;
  gap: 12px;
  padding: 16px 10px;
  border-bottom: 1px dashed var(--line);
  border-radius: 10px;
  transition: all .2s;
}
.feat-item:hover { background: #fff; }
.feat-item .ic { color: var(--green); flex-shrink: 0; margin-top: 2px; }
.feat-item b { font-size: 14.5px; display: block; }
.feat-item p { font-size: 13px; color: var(--text-2); margin: 3px 0 0; }

/* 使用指南 */
.guide-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: none; }
.guide-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
  overflow: hidden;
  transition: all .3s;
}
.guide-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.guide-card b {
  position: absolute;
  right: 14px; top: 6px;
  font-size: 56px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(22,103,240,.2);
  line-height: 1;
}
.guide-card h4 { font-size: 16.5px; margin-bottom: 8px; position: relative; }
.guide-card p { font-size: 13px; color: var(--text-2); margin: 0; position: relative; }

@media (max-width: 1080px) {
  .spec-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid, .guide-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .spec-grid, .adv-grid, .scene-grid, .guide-grid, .feat-cols { grid-template-columns: 1fr; }
  .prod-hero .ph-img { max-width: 100%; opacity: .28; }
  .prod-hero { min-height: 320px; }
}

/* ============================================================
   账户中心：登录 / 注册 / 找回密码
   ============================================================ */
.auth-page { padding: 44px 0 60px; background: linear-gradient(180deg, #f2f6fc 0%, #f7f9fc 100%); min-height: 74vh; }
.auth-wrap { display: grid; grid-template-columns: 420px 1fr; gap: 30px; align-items: stretch; max-width: 1080px; }
.auth-wrap.wide { max-width: 960px; }

/* 左侧品牌面板 */
.auth-panel {
  position: relative;
  padding: 38px 32px;
  border-radius: 20px;
  background: linear-gradient(160deg, #1667f0 0%, #0f4bc4 55%, #0a2f85 100%);
  color: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.auth-panel::after {
  content: "";
  position: absolute;
  right: -70px; bottom: -90px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.auth-panel::before {
  content: "";
  position: absolute;
  right: 40px; top: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.auth-logo { position: relative; display: inline-block; margin-bottom: 30px; }
.auth-logo img { height: 42px; }
.auth-panel h2 { position: relative; font-size: 24px; font-weight: 700; }
.auth-panel > p { position: relative; font-size: 14px; color: rgba(255,255,255,.75); margin-top: 8px; }
.auth-feats { position: relative; margin-top: 32px; display: flex; flex-direction: column; gap: 20px; }
.auth-feats li { display: flex; gap: 12px; align-items: flex-start; }
.auth-feats .ic { color: rgba(255,255,255,.85); flex-shrink: 0; margin-top: 2px; }
.auth-feats b { display: block; font-size: 14.5px; font-weight: 600; }
.auth-feats span { font-size: 12.5px; color: rgba(255,255,255,.68); }
.auth-panel-foot {
  position: relative;
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,.16);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255,255,255,.8);
}
.auth-panel-foot span { display: flex; align-items: center; gap: 6px; }

/* 右侧表单卡片 */
.auth-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 34px 38px 30px;
  box-shadow: var(--shadow-md);
}
.auth-head { margin-bottom: 22px; }
.auth-head h1 { font-size: 26px; font-weight: 700; }
.auth-head p { font-size: 13.5px; color: var(--text-3); margin-top: 8px; }
.auth-head a { color: var(--blue); font-weight: 600; }

/* 登录方式切换 */
.auth-tabs { position: relative; display: flex; gap: 30px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.auth-tabs.small { margin: 4px 0 22px; }
.auth-tabs button {
  background: none; border: none; padding: 0 0 12px;
  font-size: 15px; font-weight: 600; color: var(--text-3); cursor: pointer;
  transition: color .25s;
}
.auth-tabs button.active { color: var(--blue); }
.auth-tab-bar {
  position: absolute; bottom: -1px; left: 0;
  height: 2px; width: 84px; border-radius: 2px;
  background: var(--blue);
  transition: all .3s;
}

/* 表单 */
.auth-form { display: flex; flex-direction: column; }
.auth-pane { display: none; flex-direction: column; gap: 18px; }
.auth-pane.active { display: flex; }
.auth-pane .hidden, .field.hidden { display: none !important; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-label { font-size: 13px; color: var(--text-2); font-weight: 600; }
.field-label .optional {
  font-style: normal; font-size: 11px; font-weight: 400;
  color: var(--text-3); background: var(--bg-gray);
  border-radius: 4px; padding: 1px 6px; margin-left: 6px;
}
.input-group {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 0 14px; height: 46px; background: #fff;
  transition: all .25s;
}
.input-group:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,103,240,.12); }
.input-group.error { border-color: #e5484d; }
.input-group input { flex: 1; border: none; outline: none; font-size: 14px; color: var(--text); background: none; min-width: 0; }
.input-group input::placeholder { color: #b3bccd; }
.ig-ico { color: var(--text-3); display: flex; }
.ig-pre {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; color: var(--text);
  padding-right: 10px; margin-right: 2px;
  border-right: 1px solid var(--line);
  font-weight: 600;
}
.ig-arrow { display: flex; color: var(--text-3); }
.ig-eye, .ig-code { background: none; border: none; cursor: pointer; display: flex; }
.ig-eye { color: var(--text-3); }
.ig-eye:hover { color: var(--blue); }
.ig-code {
  font-size: 13px; font-weight: 600; color: var(--blue);
  padding-left: 10px; border-left: 1px solid var(--line); white-space: nowrap;
}
.ig-code:disabled { color: var(--text-3); cursor: not-allowed; }

.pwd-strength { display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.pwd-strength i { flex: 0 0 42px; height: 4px; border-radius: 2px; background: var(--line); transition: background .25s; }
.pwd-strength b { font-size: 11.5px; font-weight: 400; color: var(--text-3); margin-left: 4px; }
.pwd-strength.lv1 i:nth-child(1) { background: #e5484d; }
.pwd-strength.lv2 i:nth-child(1), .pwd-strength.lv2 i:nth-child(2) { background: #ff8a3d; }
.pwd-strength.lv3 i { background: var(--green); }

.auth-row { display: flex; align-items: center; justify-content: space-between; margin: 16px 0 20px; flex-wrap: wrap; gap: 10px; }
.auth-links { display: flex; gap: 16px; font-size: 13px; }
.auth-links a { color: var(--text-2); }
.auth-links a:hover { color: var(--blue); }
.checkbox { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); cursor: pointer; }
.checkbox input { display: none; }
.checkbox i {
  width: 16px; height: 16px; border-radius: 4px;
  border: 1px solid #c9d2e0; background: #fff;
  display: inline-grid; place-items: center;
  transition: all .2s; flex-shrink: 0;
}
.checkbox input:checked + i { background: var(--blue); border-color: var(--blue); }
.checkbox input:checked + i::after {
  content: ""; width: 8px; height: 4px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}
.checkbox.agree { margin: 4px 0 20px; align-items: flex-start; }
.checkbox.agree i { margin-top: 2px; }
.checkbox.agree a { color: var(--blue); }
.auth-tip { font-size: 12px; color: var(--text-3); text-align: center; margin-top: 16px; }
.auth-tip a { color: var(--blue); }

/* 三方登录 */
.auth-third { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.at-title { text-align: center; position: relative; }
.at-title span { position: relative; background: #fff; padding: 0 12px; font-size: 12.5px; color: var(--text-3); }
.at-title::before { content: ""; position: absolute; left: 0; top: 50%; width: 100%; height: 1px; background: var(--line); }
.at-icons { display: flex; justify-content: center; gap: 18px; margin-top: 18px; }
.at-btn {
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff;
  display: grid; place-items: center; cursor: pointer;
  transition: all .25s;
}
.at-btn.wechat { color: #18b13a; }
.at-btn.qq { color: #12a2e6; }
.at-btn.weibo { color: #e63a3a; }
.at-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: currentColor; }

/* 找回密码步骤条 */
.auth-steps { display: flex; align-items: center; margin: 6px 0 26px; }
.auth-steps .ast { flex: 1; display: flex; align-items: center; gap: 10px; position: relative; }
.auth-steps .ast::after {
  content: ""; flex: 1; height: 1px; background: var(--line); margin-right: 10px;
}
.auth-steps .ast:last-child::after { display: none; }
.auth-steps b {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg-gray); color: var(--text-3);
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  transition: all .25s; flex-shrink: 0;
}
.auth-steps span { font-size: 13px; color: var(--text-3); white-space: nowrap; }
.auth-steps .ast.active b { background: var(--blue-grad); color: #fff; }
.auth-steps .ast.active span { color: var(--text); font-weight: 600; }
.auth-steps .ast.done b { background: var(--green); color: #fff; }

/* 完成态 */
.auth-done { text-align: center; align-items: center; gap: 12px; padding: 18px 0 6px; }
.done-ico {
  width: 62px; height: 62px; border-radius: 50%;
  background: rgba(24,183,109,.12); color: var(--green);
  display: grid; place-items: center; margin-bottom: 6px;
}
.auth-done h3 { font-size: 20px; }
.auth-done p { font-size: 13.5px; color: var(--text-3); margin-bottom: 14px; }
.auth-help {
  display: flex; align-items: center; gap: 6px;
  margin-top: 20px; padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--text-3);
}
.auth-help .ic { color: var(--blue); }
.auth-help a { color: var(--blue); }

@media (max-width: 960px) {
  .auth-wrap { grid-template-columns: 1fr; max-width: 560px; }
  .auth-panel { padding: 28px 24px; }
  .auth-feats { display: none; }
  .auth-box { padding: 28px 24px; }
}
@media (max-width: 520px) {
  .auth-box { padding: 24px 18px; }
  .auth-head h1 { font-size: 22px; }
  .auth-tabs { gap: 18px; }
}

.auth-form .hidden { display: none !important; }