:root {
  --primary: #1677ff;
  --primary-dark: #0b3d91;
  --primary-deep: #071a3f;
  --text: #182433;
  --muted: #60708a;
  --border: #dde4ef;
  --bg-soft: #f7f9fd;
  --max-width: 1180px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: #f7f9fd;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-dark);
}

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

.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(20, 79, 155, 0.12);
  box-shadow: 0 2px 12px rgba(8, 31, 77, 0.04);
}

.site-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand small {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-left: auto;
  justify-content: flex-end;
}

.nav-links a {
  color: #334760;
  font-size: 0.88rem;
  letter-spacing: 0.005em;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--primary);
  background: rgba(22, 119, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(22, 119, 255, 0.34);
  color: var(--primary);
  background: #fff;
  border-radius: 2px;
  padding: 0.68rem 1.28rem;
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  letter-spacing: 0.01em;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  border-color: var(--primary);
  background: rgba(22, 119, 255, 0.08);
}

.btn.primary {
  background: linear-gradient(135deg, #1677ff 0%, #0b5ed7 100%);
  border-color: #1677ff;
  color: #fff;
  box-shadow: 0 12px 26px rgba(22, 119, 255, 0.22);
}

.btn.primary:hover {
  background: linear-gradient(135deg, #2f86ff 0%, #0b4fb8 100%);
  box-shadow: 0 16px 34px rgba(22, 119, 255, 0.28);
}

.hero {
  padding: 7rem 0 5.8rem;
  border-bottom: 0;
  background:
    linear-gradient(120deg, rgba(7, 26, 63, 0.78), rgba(7, 26, 63, 0.24)),
    url("../images/aliyun-hero.svg") center/cover no-repeat;
  color: #eef4ff;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -120px;
  top: -180px;
  background: radial-gradient(circle, rgba(132, 190, 255, 0.38) 0%, rgba(132, 190, 255, 0) 68%);
  animation: floatGlow 11s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 26, 63, 0.55) 0%, rgba(7, 26, 63, 0.12) 58%, rgba(7, 26, 63, 0.34) 100%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.8rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero h1,
.hero h2,
.hero h3 {
  color: #f6f9ff;
}

.hero p {
  color: rgba(235, 242, 255, 0.9);
}

.hero .meta {
  color: rgba(226, 237, 255, 0.82);
}

.hero-panel {
  border: 1px solid rgba(180, 210, 255, 0.28);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.08) 100%);
  backdrop-filter: blur(12px);
  padding: 1.35rem;
  box-shadow: 0 24px 60px rgba(5, 18, 45, 0.3);
  transition: transform 0.18s ease;
}

.hero-panel-top h3 {
  margin-bottom: 0.45rem;
}

.mini-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.mini-grid div {
  border: 1px solid rgba(180, 210, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 0.68rem;
}

.mini-grid strong {
  font-family: "Noto Serif SC", "Times New Roman", serif;
  font-size: 1.1rem;
  color: #f4f8ff;
  display: block;
}

.mini-grid span {
  color: rgba(236, 243, 255, 0.84);
  font-size: 0.84rem;
}

.metric-strip {
  margin-top: -1px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 18px 36px rgba(8, 31, 77, 0.05);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.15rem 0;
}

.metrics article {
  padding: 0.35rem 0.6rem;
  border-left: 1px solid #e6ecf5;
}

.metrics article:first-child {
  border-left: 0;
}

.metrics h3 {
  margin-bottom: 0.2rem;
  font-size: 1rem;
}

.metrics p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: #4b5f81;
}

h1,
h2,
h3 {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: #0d2144;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.35rem, 4vw, 3.85rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 2.3vw, 2.15rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1.12rem;
  color: #2f3c54;
}

.lead {
  font-size: 1.1rem;
  max-width: 64ch;
  color: #354764;
}

.section {
  padding: 4.1rem 0;
  background: #fff;
}

.section.alt {
  background:
    linear-gradient(180deg, rgba(247, 249, 253, 0.92), rgba(247, 249, 253, 0.96)),
    url("../images/aliyun-page.svg") center top/cover no-repeat;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-dark {
  color: #dbe7ff;
  background:
    linear-gradient(135deg, rgba(7, 26, 63, 0.88), rgba(11, 61, 145, 0.76)),
    url("../images/aliyun-section.svg") center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.section-dark::before {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -140px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(114, 176, 255, 0.22) 0%, rgba(114, 176, 255, 0) 70%);
}

.section-dark .container {
  position: relative;
  z-index: 2;
}

.section-dark h2,
.section-dark h3 {
  color: #f1f6ff;
}

.section-dark p {
  color: #d3e1fb;
}

.section-head {
  max-width: 780px;
  margin-bottom: 1.5rem;
}

.grid-3,
.grid-2,
.card-grid {
  display: grid;
  gap: 1.25rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid rgba(214, 224, 239, 0.9);
  padding: 1.42rem;
  border-radius: 0;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(135deg, rgba(22, 119, 255, 0.16), rgba(214, 224, 239, 0.5)) border-box;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #1677ff, rgba(22, 119, 255, 0));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(22, 119, 255, 0.28);
  box-shadow: 0 18px 42px rgba(8, 31, 77, 0.1);
}

.card:hover::before {
  opacity: 1;
}

.dark-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(209, 223, 251, 0.28);
}

.dark-card:hover {
  border-color: rgba(209, 223, 251, 0.48);
  box-shadow: 0 10px 28px rgba(5, 16, 36, 0.2);
}

.card h3 {
  margin-bottom: 0.66rem;
}

.meta {
  color: var(--muted);
  font-size: 0.87rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.timeline {
  border-left: 2px solid #cfd9ea;
  margin-left: 0.45rem;
}

.timeline-item {
  padding: 0 0 1.45rem 1.3rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(11, 61, 145, 0.1);
  position: absolute;
  left: -6px;
  top: 8px;
}

.product-hero,
.page-title {
  padding: 4.4rem 0 2.6rem;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.88), rgba(247, 251, 255, 0.94)),
    url("../images/aliyun-page.svg") center/cover no-repeat;
  position: relative;
}

.product-hero::after,
.page-title::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.88);
  pointer-events: none;
}

.product-hero .container,
.page-title .container {
  position: relative;
  z-index: 2;
}

.product-meta {
  display: flex;
  gap: 0.62rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  padding: 0.26rem 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  border-radius: 999px;
  background: #f9fbff;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0 0 1.2rem;
}

.quick-links a {
  border: 1px solid #ced9ec;
  color: #204071;
  background: #fff;
  padding: 0.36rem 0.72rem;
  border-radius: 999px;
  font-size: 0.84rem;
  transition: all 0.2s ease;
}

.quick-links a:hover {
  border-color: rgba(22, 119, 255, 0.45);
  background: rgba(22, 119, 255, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 4.2rem 0;
}

.article h1 {
  font-size: clamp(1.95rem, 2.7vw, 2.45rem);
}

.article p {
  text-align: justify;
}

form {
  display: grid;
  gap: 0.94rem;
}

label {
  font-weight: 600;
  color: #243453;
  font-size: 0.9rem;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #d3ddec;
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  font: inherit;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(22, 119, 255, 0.48);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.site-footer {
  margin-top: 2.8rem;
  border-top: 1px solid var(--border);
  padding: 2.2rem 0 2.5rem;
  background: #fff;
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translateY(0) translateX(0);
    opacity: 0.75;
  }
  50% {
    transform: translateY(24px) translateX(-12px);
    opacity: 1;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.15rem;
}

.copyright {
  color: var(--muted);
  font-size: 0.84rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
  }

  .metrics article {
    border-left: 0;
    border-top: 1px solid #e1e8f4;
    padding-left: 0;
  }

  .metrics article:nth-child(-n + 2) {
    border-top: 0;
  }

  .section {
    padding: 3.9rem 0;
  }

  .hero {
    padding: 4.8rem 0 3.9rem;
  }
}


/* �T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T
   HOMEPAGE �� hp-* namespace
   Reference: aliyun.com visual language
   �T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T */

/* ���� Tokens ���� */
:root {
  --hp-bg:       #03081f;
  --hp-blue:     #1677ff;
  --hp-blue-h:   #2f86ff;
  --hp-text:     #0d1b2e;
  --hp-muted:    #5a6a84;
  --hp-border:   #e0e8f4;
  --hp-radius:   4px;
}

/* ���� Reset for homepage ���� */
.hp * { box-sizing: border-box; }
.hp a { text-decoration: none; }

/* ���� HEADER ���� */
.hp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--hp-border);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.hp-header__inner {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.hp-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: #0d1b2e;
  font-weight: 700;
  font-size: .9rem;
  flex-shrink: 0;
}
.hp-brand img { width: 42px; height: 42px; object-fit: contain; }
.hp-brand small { display: block; font-size: .68rem; color: var(--hp-muted); font-weight: 400; }
.hp-nav {
  display: flex;
  align-items: center;
  gap: .2rem;
  margin-left: auto;
  justify-content: flex-end;
  flex: 0 0 auto;
}
.hp-nav a {
  padding: .38rem .72rem;
  color: #2c3e55;
  font-size: .86rem;
  border-radius: var(--hp-radius);
  transition: color .15s, background .15s;
}
.hp-nav a:hover,
.hp-nav a.is-active { color: var(--hp-blue); background: rgba(22,119,255,.07); }
.hp-nav-cta {
  flex-shrink: 0;
  padding: .46rem 1rem;
  font-size: .84rem;
  font-weight: 600;
  color: var(--hp-blue);
  border: 1px solid var(--hp-blue);
  border-radius: var(--hp-radius);
  transition: background .15s, color .15s;
}
.hp-nav-cta:hover { background: var(--hp-blue); color: #fff; }

/* ���� HERO ���� */
.hp-hero {
  background: url("../images/hero-bg.svg") center/cover no-repeat;
  background-color: var(--hp-bg);
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(3,8,31,.72) 0%,
    rgba(3,8,31,.52) 46%,
    rgba(3,8,31,.16) 74%,
    rgba(3,8,31,.04) 100%);
  pointer-events: none;
}
.hp-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 500px;
  gap: 3.8rem;
  align-items: center;
  padding-top: 5.8rem;
  padding-bottom: 5.6rem;
}
.hp-eyebrow {
  margin: 0 0 1.15rem;
  color: #6db8ff;
  font-size: 1.86rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hp-hero__copy h1 {
  margin: 0 0 1.35rem;
  color: #fff;
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: clamp(3rem, 3vw, 5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.045em;
}
.hp-hero__desc {
  margin: 0 0 0;
  color: rgba(220,235,255,.82);
  font-size: 1.08rem;
  max-width: 660px;
  line-height: 1.85;
}
.hp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
}
.hp-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}
.hp-hero__tags span {
  color: rgba(220,235,255,.76);
  font-size: .92rem;
  padding-left: 1rem;
  position: relative;
}
.hp-hero__tags span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5cc8ff;
}

/* ���� BUTTONS ���� */
.hp-btn {
  display: inline-flex;
  align-items: center;
  padding: .84rem 1.7rem;
  font-size: .98rem;
  font-weight: 600;
  border-radius: var(--hp-radius);
  cursor: pointer;
  transition: all .18s;
}
.hp-btn--primary {
  background: var(--hp-blue);
  color: #fff;
  border: 1px solid var(--hp-blue);
}
.hp-btn--primary:hover { background: var(--hp-blue-h); color: #fff; box-shadow: 0 8px 22px rgba(22,119,255,.32); }
.hp-btn--ghost {
  background: rgba(255,255,255,.12);
  color: #d6eaff;
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(6px);
}
.hp-btn--ghost:hover { background: rgba(255,255,255,.2); color: #fff; }

/* ���� HERO PANEL ���� */
.hp-hero__panel { display: flex; align-items: center; }
.hp-panel {
  width: 100%;
  background: rgba(8,20,52,.72);
  border: 1px solid rgba(100,160,255,.22);
  backdrop-filter: blur(14px);
  overflow: hidden;
  box-shadow: 0 22px 48px rgba(3, 11, 30, 0.34);
}
.hp-panel__bar {
  height: 48px;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  border-bottom: 1px solid rgba(100,160,255,.18);
  background: rgba(255,255,255,.04);
}
.hp-panel__bar i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #5cc8ff;
}
.hp-panel__bar i:nth-child(2) { background: #7d8cff; }
.hp-panel__bar i:nth-child(3) { background: #24d6a6; }
.hp-panel__bar b { margin-left: .6rem; font-size: .96rem; color: rgba(220,235,255,.88); font-weight: 600; }
.hp-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hp-panel__list li {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(100,160,255,.1);
  transition: background .15s;
}
.hp-panel__list li:last-child { border-bottom: 0; }
.hp-panel__list li:hover { background: rgba(255,255,255,.04); }
.hp-panel__label {
  color: #6db8ff;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  flex-shrink: 0;
  width: 84px;
}
.hp-panel__val {
  flex: 1;
  color: rgba(220,235,255,.9);
  font-size: .96rem;
}
.hp-panel__tag {
  font-style: normal;
  font-size: .74rem;
  font-weight: 700;
  color: #24d6a6;
  background: rgba(36,214,166,.15);
  padding: .16rem .46rem;
  border-radius: 2px;
  flex-shrink: 0;
}
.hp-panel__tag--b { color: #7dc8ff; background: rgba(125,200,255,.15); }

/* ���� PROMO STRIP ���� */
.hp-strip {
  background: #fff;
  border-bottom: 1px solid var(--hp-border);
  box-shadow: 0 4px 20px rgba(0,0,0,.05);
}
.hp-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hp-strip__item {
  display: block;
  padding: 1rem 1.1rem;
  border-right: 1px solid var(--hp-border);
  color: var(--hp-text);
  transition: background .15s;
  position: relative;
}
.hp-strip__item:last-child { border-right: 0; }
.hp-strip__item:hover { background: #f4f8ff; }
.hp-strip__item::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--hp-blue), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s;
}
.hp-strip__item:hover::after { transform: scaleX(1); }
.hp-strip__item strong { display: block; font-size: .9rem; font-weight: 700; margin-bottom: .28rem; }
.hp-strip__item span { font-size: .76rem; color: var(--hp-blue); font-weight: 600; }

/* ���� SECTIONS ���� */
.hp-sec { padding: 4rem 0; }
.hp-sec--light { background: url("../images/section-light-bg.svg") center/cover no-repeat; }
.hp-sec--dark {
  background: url("../images/section-dark-bg.svg") center/cover no-repeat;
  background-color: #061128;
}
.hp-sec__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.8rem;
}
.hp-sec__head--light h2 { color: #e8f2ff; }
.hp-sec__sub { max-width: 440px; color: var(--hp-muted); margin: 0; }
.hp-label {
  margin: 0 0 .4rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hp-blue);
}
.hp-label--light { color: #6db8ff; }
.hp-sec--dark h2 { color: #e8f2ff; }
.hp-link { font-size: .86rem; font-weight: 700; color: var(--hp-blue); }
.hp-link:hover { color: var(--hp-blue-h); }
.hp-link--light { color: #6db8ff; }
.hp-link--light:hover { color: #a8d8ff; }

/* ���� CAPABILITIES GRID ���� */
.hp-caps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
}
.hp-cap {
  padding: 1.4rem;
  background: #fff;
  border: 1px solid var(--hp-border);
  border-top: 3px solid transparent;
  position: relative;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  cursor: default;
}
.hp-cap:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(8,31,77,.1);
  border-top-color: var(--hp-blue);
}
.hp-cap__icon {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--hp-blue);
  margin-bottom: .9rem;
}
.hp-cap__logo {
  width: 190px;
  max-width: 86%;
  height: 64px;
  object-fit: contain;
  object-position: center center;
  margin: .15rem auto .9rem;
  display: block;
  filter: saturate(1.02);
}
.hp-cap h3 {
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: .98rem;
  font-weight: 700;
  color: var(--hp-text);
  margin: 0 0 .5rem;
}
.hp-cap p { font-size: .85rem; color: var(--hp-muted); margin: 0 0 .9rem; line-height: 1.6; }
.hp-cap a { font-size: .82rem; font-weight: 700; color: var(--hp-blue); }
.hp-cap a:hover { color: var(--hp-blue-h); }

/* ���� FEATURE TABS ���� */
.hp-feature {
  border: 1px solid rgba(100,160,255,.2);
  overflow: hidden;
}
.hp-feature__tabs {
  display: flex;
  border-bottom: 1px solid rgba(100,160,255,.2);
}
.hp-feature__tabs button {
  flex: none;
  padding: .85rem 1.3rem;
  font: 600 .86rem "Inter", sans-serif;
  color: rgba(180,210,255,.7);
  background: transparent;
  border: 0;
  border-right: 1px solid rgba(100,160,255,.14);
  cursor: pointer;
  transition: color .15s, background .15s;
}
.hp-feature__tabs button:last-child { border-right: 0; }
.hp-feature__tabs button.is-active,
.hp-feature__tabs button:hover { color: #fff; background: rgba(255,255,255,.08); }
.hp-feature__body {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 340px;
}
.hp-feature__text {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .9rem;
}
.hp-feature__text h3 {
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #e8f2ff;
  margin: 0;
  line-height: 1.3;
}
.hp-feature__text p { color: rgba(180,210,255,.8); font-size: .9rem; margin: 0; line-height: 1.72; }
.hp-feature__visual {
  background: rgba(255,255,255,.03);
  border-left: 1px solid rgba(100,160,255,.15);
  position: relative;
  overflow: hidden;
}
.hp-vis {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hp-vis__line {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, #4da3ff 30%, #4da3ff 70%, transparent 100%);
}
.hp-vis__node {
  position: absolute;
  padding: .45rem .75rem;
  font-size: .78rem;
  font-weight: 600;
  color: #b8d8ff;
  background: rgba(22,119,255,.2);
  border: 1px solid rgba(77,163,255,.5);
  backdrop-filter: blur(4px);
}
.n1 { left: 6%; top: 24%; }
.n2 { left: 32%; top: 58%; }
.n3 { right: 22%; top: 20%; }
.n4 { right: 8%; bottom: 18%; }

/* ���� NEWS ���� */
.hp-news {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: .9rem;
}
.hp-news__main {
  background: #fff;
  border: 1px solid var(--hp-border);
  padding: 1.5rem;
  transition: box-shadow .18s;
}
.hp-news__main:hover { box-shadow: 0 8px 24px rgba(8,31,77,.08); }
.hp-news__cat {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--hp-blue);
  margin: 0 0 .7rem;
}
.hp-news__main h3 {
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--hp-text);
  margin: 0 0 .6rem;
  line-height: 1.4;
}
.hp-news__main p { font-size: .88rem; color: var(--hp-muted); margin: 0 0 1rem; }
.hp-news__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #fff;
  border: 1px solid var(--hp-border);
}
.hp-news__list a {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--hp-border);
  color: var(--hp-text);
  transition: background .15s;
}
.hp-news__list a:last-child { border-bottom: 0; }
.hp-news__list a:hover { background: #f4f8ff; color: var(--hp-blue); }
.hp-news__list b {
  flex-shrink: 0;
  font-size: .7rem;
  font-weight: 700;
  color: var(--hp-blue);
  background: rgba(22,119,255,.1);
  padding: .12rem .38rem;
  border-radius: 2px;
  margin-top: .15rem;
}
.hp-news__list span { font-size: .86rem; font-weight: 600; line-height: 1.5; }

/* ���� CTA ���� */
.hp-cta {
  padding: 3.4rem 0;
  background: url("../images/section-dark-bg.svg") center/cover no-repeat;
  background-color: #061128;
}
.hp-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.hp-cta h2 {
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 800;
  color: #e8f2ff;
  margin: 0 0 .3rem;
  letter-spacing: -.02em;
}
.hp-cta p { color: rgba(180,210,255,.75); margin: 0; font-size: .9rem; }

/* ���� FOOTER ���� */
.hp-footer {
  background: #0a0f1c;
  padding: 2.4rem 0 2rem;
  border-top: 1px solid rgba(100,160,255,.12);
}
.hp-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
}
.hp-footer h3 {
  font-family: "Inter", "PingFang SC", sans-serif;
  font-size: .86rem;
  font-weight: 700;
  color: rgba(220,235,255,.9);
  margin: 0 0 .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.hp-footer p { font-size: .84rem; color: rgba(180,210,255,.55); margin: 0; line-height: 1.7; }
.hp-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .4rem; }
.hp-footer ul a { font-size: .84rem; color: rgba(180,210,255,.6); }
.hp-footer ul a:hover { color: #7dc8ff; }
.hp-footer__copy { font-size: .78rem; color: rgba(180,210,255,.38); margin: 0; }

/* ���� Scroll reveal ���� */
.hp-sec,
.hp-strip,
.hp-cta { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.hp-sec.is-visible,
.hp-strip.is-visible,
.hp-cta.is-visible { opacity: 1; transform: translateY(0); }

/* ���� RESPONSIVE ���� */
@media (max-width: 1024px) {
  .hp-hero__inner { grid-template-columns: 1fr; }
  .hp-hero__panel { display: none; }
  .hp-hero { min-height: 620px; }
  .hp-hero__inner { gap: 1.8rem; padding-top: 4.4rem; padding-bottom: 4.2rem; }
  .hp-hero__copy h1 { font-size: clamp(2.4rem, 7vw, 3.6rem); }
  .hp-hero__desc { font-size: 1rem; max-width: 100%; }
  .hp-btn { padding: .74rem 1.38rem; font-size: .92rem; }
  .hp-caps { grid-template-columns: repeat(2, 1fr); }
  .hp-feature__body { grid-template-columns: 1fr; }
  .hp-feature__visual { min-height: 200px; }
}
@media (max-width: 768px) {
  .hp-hero { min-height: 540px; }
  .hp-eyebrow { font-size: .76rem; }
  .hp-hero__copy h1 { font-size: clamp(2rem, 9vw, 2.8rem); }
  .hp-hero__desc { font-size: .94rem; line-height: 1.72; }
  .hp-hero__tags { gap: .8rem; }
  .hp-hero__tags span { font-size: .82rem; }
  .hp-nav { display: none; }
  .hp-strip__grid { grid-template-columns: 1fr 1fr; }
  .hp-caps { grid-template-columns: 1fr; }
  .hp-news { grid-template-columns: 1fr; }
  .hp-footer__grid { grid-template-columns: 1fr; }
  .hp-cta__inner { flex-direction: column; align-items: flex-start; }
  .hp-sec__head { flex-direction: column; align-items: flex-start; }
}

/* --- Visual gallery cards --- */
.hp-gallery-wrap { padding-top: 2.4rem; }
.hp-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
}
.hp-gallery__item {
  border: 1px solid var(--hp-border);
  background: #fff;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}
.hp-gallery__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(8,31,77,.12);
}
.hp-gallery__item img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--hp-border);
}
.hp-gallery__meta {
  padding: .9rem 1rem 1rem;
}
.hp-gallery__meta h3 {
  margin: 0 0 .35rem;
  font-size: .96rem;
  color: var(--hp-text);
}
.hp-gallery__meta p {
  margin: 0;
  font-size: .82rem;
  color: var(--hp-muted);
  line-height: 1.65;
}
@media (max-width: 1024px) {
  .hp-gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hp-gallery { grid-template-columns: 1fr; }
}

/* ======================================================
   Inner Pages Unified Theme (aliyun-like, v2)
   ====================================================== */
body:not(.hp) {
  background:
    radial-gradient(1200px 420px at 100% 0%, rgba(22, 119, 255, 0.1), transparent 58%),
    #f3f7fd;
  color: #152843;
}

body:not(.hp) .site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid #dce6f2;
  box-shadow: 0 8px 24px rgba(8, 31, 77, 0.06);
  backdrop-filter: blur(12px);
}

body:not(.hp) .site-header-inner {
  min-height: 64px;
  gap: 1.4rem;
}

body:not(.hp) .brand img {
  width: 42px;
  height: 42px;
}

body:not(.hp) .brand {
  color: #10243d;
  font-size: 0.9rem;
  font-weight: 700;
}

body:not(.hp) .brand small {
  color: #6b809e;
  font-size: 0.68rem;
}

body:not(.hp) .nav-links {
  gap: 0.15rem;
}

body:not(.hp) .nav-links a {
  border-radius: 4px;
  font-size: 0.85rem;
  padding: 0.38rem 0.68rem;
}

body:not(.hp) .nav-links a.active,
body:not(.hp) .nav-links a:hover {
  color: #1677ff;
  background: rgba(22, 119, 255, 0.08);
}

body:not(.hp) .page-title,
body:not(.hp) .product-hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0 2.6rem;
  border-bottom: 1px solid rgba(138, 178, 235, 0.24);
  background:
    linear-gradient(125deg, rgba(5, 17, 47, 0.84), rgba(11, 39, 92, 0.8)),
    url("../images/bg-grid-deep.svg") center/cover no-repeat;
}

body:not(.hp) .page-title::after,
body:not(.hp) .product-hero::after {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -80px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(115, 186, 255, 0.28), transparent 65%);
}

body:not(.hp) .page-title .container,
body:not(.hp) .product-hero .container {
  position: relative;
  z-index: 2;
}

body:not(.hp) .meta {
  color: #82c7ff;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  font-weight: 700;
  text-transform: uppercase;
}

body:not(.hp) .page-title h1,
body:not(.hp) .product-hero h1 {
  color: #f3f8ff;
  margin-bottom: 0.68rem;
  letter-spacing: -0.02em;
}

body:not(.hp) .lead,
body:not(.hp) .page-title p,
body:not(.hp) .product-hero p {
  color: rgba(228, 239, 255, 0.9);
}

body:not(.hp) .chip {
  border-radius: 3px;
  border: 1px solid rgba(130, 199, 255, 0.38);
  background: rgba(22, 119, 255, 0.16);
  color: #c7e6ff;
}

body:not(.hp) .product-logo {
  width: 240px;
  max-width: 82%;
  height: 84px;
  object-fit: contain;
  object-position: center center;
  margin: 0.4rem auto 0.95rem;
  display: block;
}

body:not(.hp) .section {
  padding: 3.2rem 0;
  background: transparent;
}

body:not(.hp) .section.alt {
  background:
    linear-gradient(180deg, rgba(248, 251, 255, 0.9), rgba(244, 248, 255, 0.98)),
    url("../images/bg-light-dots.svg") center/cover no-repeat;
  border-top: 1px solid #dfe8f4;
  border-bottom: 1px solid #dfe8f4;
}

body:not(.hp) .grid-2,
body:not(.hp) .grid-3 {
  gap: 1rem;
}

body:not(.hp) .card {
  border: 1px solid #dce6f3;
  border-radius: 0;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(150deg, rgba(22, 119, 255, 0.14), rgba(220, 232, 247, 0.58)) border-box;
  padding: 1.35rem;
  box-shadow: 0 3px 12px rgba(8, 31, 77, 0.04);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

body:not(.hp) .card:hover {
  transform: translateY(-4px);
  border-color: #c6d8ef;
  box-shadow: 0 16px 36px rgba(8, 31, 77, 0.1);
}

body:not(.hp) .card h2,
body:not(.hp) .card h3 {
  color: #102640;
  margin-bottom: 0.56rem;
}

body:not(.hp) .card p {
  color: #4c6283;
}

body:not(.hp) .card a {
  font-weight: 700;
  font-size: 0.84rem;
}

body:not(.hp) .btn {
  border-radius: 4px;
  padding: 0.58rem 1.12rem;
  font-size: 0.84rem;
}

body:not(.hp) .btn.primary {
  background: #1677ff;
  border-color: #1677ff;
  color: #fff;
  box-shadow: 0 10px 22px rgba(22, 119, 255, 0.22);
}

body:not(.hp) .btn.primary:hover {
  background: #2f86ff;
  border-color: #2f86ff;
}

body:not(.hp) .article {
  margin: 1.8rem auto 2.2rem;
  padding: 2.1rem 2rem;
  background: #fff;
  border: 1px solid #dce6f3;
  box-shadow: 0 10px 28px rgba(8, 31, 77, 0.06);
}

body:not(.hp) .article h1 {
  color: #102640;
}

body:not(.hp) .article p {
  color: #445b7b;
}

body:not(.hp) input,
body:not(.hp) textarea,
body:not(.hp) select {
  border-radius: 4px;
  border: 1px solid #cfddf0;
}

body:not(.hp) .site-footer {
  margin-top: 1.8rem;
  background:
    linear-gradient(135deg, #081124, #0f2a61);
  border-top: 1px solid rgba(132, 189, 255, 0.2);
  padding: 2.2rem 0 2rem;
}

body:not(.hp) .site-footer h3 {
  color: rgba(230, 242, 255, 0.95);
}

body:not(.hp) .site-footer p,
body:not(.hp) .site-footer a,
body:not(.hp) .copyright {
  color: rgba(185, 207, 236, 0.82);
}

body:not(.hp) .site-footer a:hover {
  color: #9ed3ff;
}

body:not(.hp) .section,
body:not(.hp) .article,
body:not(.hp) .page-title,
body:not(.hp) .product-hero {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

body:not(.hp) .section.is-visible,
body:not(.hp) .article.is-visible,
body:not(.hp) .page-title.is-visible,
body:not(.hp) .product-hero.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  body:not(.hp) .site-header-inner {
    min-height: 58px;
  }
  body:not(.hp) .page-title,
  body:not(.hp) .product-hero {
    padding: 3.2rem 0 2.1rem;
  }
  body:not(.hp) .article {
    padding: 1.6rem 1.2rem;
  }
}

.lang-toggle {
  margin-left: .45rem;
  height: 30px;
  min-width: 30px;
  padding: 0 8px;
  border: 1px solid rgba(102, 132, 178, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: #2a4368;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  transition: all .16s ease;
}

.lang-toggle:hover {
  border-color: rgba(22, 119, 255, 0.55);
  color: #ffffff;
  background: #1677ff;
  box-shadow: 0 8px 16px rgba(22, 119, 255, 0.24);
}

.lang-toggle__icon {
  width: 13px;
  height: 13px;
  display: inline-flex;
}

.lang-toggle__icon svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
}

.lang-toggle__label {
  display: inline-block;
  min-width: 16px;
  text-align: center;
}

@media (max-width: 768px) {
  .lang-toggle {
    margin-left: .25rem;
    height: 28px;
    padding: 0 7px;
    font-size: 10px;
  }
}