:root {
  --brand-teal: #14a0a8;
  --brand-blue: #165dff;
  --brand-cyan: #36bffa;
  --brand-grad: linear-gradient(135deg, #14a0a8 0%, #165dff 100%);
  --ink: #070b14;
  --ink-2: #0d1524;
  --ink-3: #152238;
  --paper: #f4f6f9;
  --mist: #e9eef5;
  --line: rgba(7, 11, 20, 0.1);
  --line-soft: rgba(255, 255, 255, 0.14);
  --text: #121a28;
  --muted: #5a6a7e;
  --white: #ffffff;
  --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: var(--font);
  --font-brand: var(--font);
  --font-body: var(--font);
  --max: 1240px;
  --nav-h: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

.container {
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
}

/* ========== Nav ========== */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-h);
  transition: background 0.45s var(--ease), border-color 0.45s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-solid {
  background: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(18px) saturate(1.15);
  border-bottom-color: var(--line-soft);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  z-index: 2;
  line-height: 0;
}

/* 专业 Logo：青蓝「创」字标 + 创设网络 */
.brand-logo {
  display: block;
  height: 44px;
  width: auto;
  max-width: min(56vw, 230px);
  object-fit: contain;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.65rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.is-current {
  color: var(--white);
}

.nav-cta {
  display: inline-flex !important;
  align-items: center;
  padding: 0.65rem 1.2rem;
  background: var(--brand-grad);
  color: var(--white) !important;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: filter 0.2s, transform 0.2s;
}

.nav-cta:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.menu-toggle {
  display: grid;
  gap: 6px;
  padding: 0.4rem;
  z-index: 2;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-panel {
  position: fixed;
  inset: 0;
  background: var(--ink);
  padding: calc(var(--nav-h) + 2rem) 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-104%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.5s var(--ease), opacity 0.35s;
  z-index: 1;
}

.mobile-panel.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-panel a {
  color: var(--white);
  font-size: 1.6rem;
  font-family: var(--font-brand);
  font-weight: 600;
  letter-spacing: 0.08em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.05rem 0;
}

/* ========== Hero — monumental ========== */
/* 首页 Hero：全幅主视觉压在透明菜单下（左文右景） */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: var(--white);
  overflow: hidden;
  background: #070b14;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  transform: scale(1.02);
  filter: none;
  animation: hero-ken 42s linear infinite alternate;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(105deg, rgba(7, 11, 20, 0.82) 0%, rgba(7, 11, 20, 0.48) 42%, rgba(7, 11, 20, 0.18) 68%, rgba(7, 11, 20, 0.28) 100%),
    linear-gradient(180deg, rgba(7, 11, 20, 0.4) 0%, transparent 32%, rgba(7, 11, 20, 0.55) 100%);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 140px 140px;
  mask-image: radial-gradient(ellipse at 30% 45%, black 10%, transparent 68%);
  pointer-events: none;
}

.hero-grain,
.hero-brand,
.hero-logo {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  width: min(100% - 3rem, var(--max));
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2.5rem) 0 5.5rem;
  text-align: left;
}

.hero-title {
  margin: 0 0 1rem;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
  opacity: 0;
  animation: rise 1.1s var(--ease) 0.15s forwards;
}

.hero-desc {
  margin: 0 0 2.15rem;
  max-width: 26rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  line-height: 1.7;
  opacity: 0;
  animation: rise 1.1s var(--ease) 0.35s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.85rem;
  opacity: 0;
  animation: rise 1.1s var(--ease) 0.5s forwards;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 4;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0;
  animation: rise 1s var(--ease) 0.85s forwards;
  text-decoration: none;
}

.hero-scroll:hover {
  color: rgba(255, 255, 255, 0.75);
}

.hero-scroll i {
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(180deg, var(--brand-cyan), transparent);
  animation: scroll-line 1.8s ease-in-out infinite;
}

@media (max-width: 720px) {
  .hero-title {
    letter-spacing: 0.12em;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    min-width: 0;
  }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  min-width: 10rem;
  padding: 0.9rem 1.75rem;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  transition: transform 0.25s var(--ease), filter 0.25s, background 0.25s, color 0.25s, border-color 0.25s;
}

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

.btn-primary {
  background: var(--brand-grad);
  color: var(--white);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--ink-3);
}

.btn-line {
  border: 1px solid rgba(7, 11, 20, 0.25);
  color: var(--ink);
}

.btn-line:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.btn-line-light {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
}

.btn-line-light:hover {
  background: var(--white);
  color: var(--ink);
}

/* ========== Sections ========== */
.section {
  padding: clamp(5.5rem, 11vw, 9rem) 0;
  position: relative;
}

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(2.75rem, 6vw, 4.5rem);
}

.section-head.is-center {
  margin-inline: auto;
  text-align: center;
}

.section-label {
  display: inline-block;
  margin: 0 0 1rem;
  color: var(--brand-blue);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 1rem;
  font-family: var(--font-brand);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.12;
  color: var(--ink);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

.section-head.is-center p {
  margin-inline: auto;
}

.section-muted {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(22, 93, 255, 0.06), transparent 50%),
    linear-gradient(180deg, #eef2f8, var(--paper));
}

.section-ink {
  background:
    radial-gradient(ellipse at 70% 0%, rgba(54, 191, 250, 0.14), transparent 42%),
    radial-gradient(ellipse at 15% 100%, rgba(22, 93, 255, 0.18), transparent 48%),
    linear-gradient(165deg, var(--ink), var(--ink-2) 55%, #0a1426);
  color: var(--white);
}

.section-ink .section-label {
  color: var(--brand-cyan);
}

.section-ink .section-head h2 {
  color: var(--white);
}

.section-ink .section-head p {
  color: rgba(255, 255, 255, 0.62);
}

/* Statement band */
.statement {
  padding: clamp(3.5rem, 7vw, 5rem) 0;
  background: var(--ink);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.statement p {
  margin: 0;
  text-align: center;
  font-family: var(--font-brand);
  font-size: clamp(1.35rem, 3.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.55;
  max-width: 28ch;
  margin-inline: auto;
}

.statement span {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

/* Services — 九宫格（杂志拼贴） */
.section-services {
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(22, 93, 255, 0.07), transparent 55%),
    linear-gradient(180deg, #eef2f8 0%, var(--paper) 48%, #f7f8fb 100%);
}

.section-head-services {
  max-width: 34rem;
  margin-inline: auto;
  text-align: center;
}

.section-head-services h2 {
  position: relative;
  padding-bottom: 1.15rem;
}

.section-head-services h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 2.75rem;
  height: 3px;
  border-radius: 2px;
  background: var(--brand-grad);
  transform: translateX(-50%);
}

.section-head-services p {
  margin-top: 1.15rem;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.service-cell {
  --cell-pad: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 12.5rem;
  padding: var(--cell-pad);
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(7, 11, 20, 0.08);
  box-shadow: 0 1px 0 rgba(7, 11, 20, 0.02);
  transition:
    border-color 0.35s var(--ease),
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease),
    background 0.35s var(--ease);
}

.service-cell::after {
  content: attr(data-index);
  position: absolute;
  right: -0.15rem;
  bottom: -0.55rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(4.2rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(22, 93, 255, 0.06);
  pointer-events: none;
  transition: color 0.35s var(--ease), transform 0.45s var(--ease);
}

.service-cell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--brand-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.service-cell:hover,
.service-cell:focus-visible {
  border-color: rgba(22, 93, 255, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 30, 60, 0.08);
}

.service-cell:hover::before,
.service-cell:focus-visible::before {
  transform: scaleX(1);
}

.service-cell:hover::after,
.service-cell:focus-visible::after {
  color: rgba(22, 93, 255, 0.1);
  transform: translate(-4px, -4px);
}

.service-cell-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 1.35rem;
}

.service-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--brand-blue);
  line-height: 1;
}

.service-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 1px;
  background: var(--brand-grad);
  opacity: 0.55;
  transition: opacity 0.3s, transform 0.35s var(--ease);
}

.service-cell:hover .service-dot {
  opacity: 1;
  transform: rotate(12deg) scale(1.15);
}

.service-cell h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 0.65rem;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  line-height: 1.25;
}

.service-cell p {
  position: relative;
  z-index: 1;
  margin: 0;
  flex: 1;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.65;
  max-width: 28ch;
}

.service-more {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(7, 11, 20, 0.08);
  width: 100%;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  transition: color 0.25s;
}

.service-more i {
  margin-left: auto;
  font-style: normal;
  color: var(--brand-blue);
  transition: transform 0.3s var(--ease);
}

.service-cell:hover .service-more {
  color: var(--brand-blue);
}

.service-cell:hover .service-more i,
.service-cell:focus-visible .service-more i {
  transform: translateX(5px);
}

/* 中心格强调 */
.service-cell-feature {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(54, 191, 250, 0.12), transparent 45%),
    linear-gradient(165deg, #0c1424, #122038 60%, #0d1830);
  border-color: transparent;
  color: var(--white);
}

.service-cell-feature .service-num,
.service-cell-feature h3,
.service-cell-feature .service-more {
  color: var(--white);
}

.service-cell-feature p {
  color: rgba(255, 255, 255, 0.62);
}

.service-cell-feature .service-more {
  border-top-color: rgba(255, 255, 255, 0.14);
}

.service-cell-feature .service-more i {
  color: var(--brand-cyan);
}

.service-cell-feature::after {
  color: rgba(255, 255, 255, 0.06);
}

.service-cell-feature:hover,
.service-cell-feature:focus-visible {
  border-color: rgba(54, 191, 250, 0.35);
  box-shadow: 0 22px 48px rgba(7, 11, 20, 0.28);
}

.service-cell-feature:hover::after {
  color: rgba(54, 191, 250, 0.12);
}

/* 咨询格 */
.service-cell-cta {
  background:
    linear-gradient(145deg, rgba(20, 160, 168, 0.08), transparent 40%),
    linear-gradient(180deg, #ffffff, #f3f7fc);
  border-color: rgba(22, 93, 255, 0.16);
}

.service-cell-cta .service-more {
  color: var(--brand-blue);
}

/* Cases — full-width editorial */
.case-stack {
  display: grid;
  gap: 1.25rem;
}

.case-row {
  display: grid;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  color: inherit;
  transition: border-color 0.3s, transform 0.4s var(--ease);
}

.case-row:hover {
  border-color: rgba(22, 93, 255, 0.25);
  transform: translateY(-3px);
}

.case-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  max-height: 360px;
  overflow: hidden;
  background: var(--ink-2);
}

.case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.8s var(--ease);
}

.case-row:hover .case-visual img {
  transform: scale(1.03);
}

.case-meta {
  padding: 1.6rem 1.5rem 1.75rem;
}

.case-meta h3 {
  margin: 0;
  font-family: var(--font-brand);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.case-tag {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--brand-blue);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.case-meta p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Process */
.process-rail {
  display: grid;
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: start;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: transparent;
  background: linear-gradient(180deg, var(--brand-cyan), rgba(54, 191, 250, 0.25));
  background-clip: text;
  -webkit-background-clip: text;
  line-height: 1;
}

.process-step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.2rem;
  font-family: var(--font-brand);
  letter-spacing: 0.1em;
}

.process-step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.98rem;
}

/* News */
.news-list {
  border-top: 1px solid var(--line);
}

.news-item {
  display: grid;
  gap: 0.45rem 2rem;
  padding: 1.75rem 0.15rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding 0.3s;
}

.news-item:hover {
  padding-left: 0.55rem;
  background: linear-gradient(90deg, rgba(22, 93, 255, 0.04), transparent 60%);
}

.news-item:hover h3 {
  color: var(--brand-blue);
}

.news-date {
  font-size: 0.88rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.news-item h3 {
  margin: 0;
  font-size: 1.3rem;
  font-family: var(--font-brand);
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.news-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.section-foot {
  margin-top: 2.5rem;
  text-align: center;
}

/* Contact — phone + WeChat QR */
.contact-panel {
  display: grid;
  gap: 1.75rem;
  align-items: stretch;
}

.contact-info {
  display: grid;
  align-content: center;
  gap: 1.1rem;
  padding: clamp(1.5rem, 3vw, 2.4rem);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(22, 93, 255, 0.08), transparent 50%),
    linear-gradient(160deg, #fff, #f7f9fc);
  border: 1px solid var(--line);
}

.contact-kicker {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--brand-blue);
  text-transform: uppercase;
}

.contact-phone {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  background: var(--brand-grad);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  line-height: 1.1;
  width: fit-content;
}

.contact-phone:hover {
  filter: brightness(1.1);
}

.contact-meta {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.contact-meta strong {
  color: var(--ink);
  font-weight: 600;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.35rem;
}

.contact-qr {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.65rem;
  padding: clamp(1.4rem, 3vw, 2rem);
  background: var(--white);
  border: 1px solid var(--line);
  text-align: center;
}

.contact-qr img {
  width: min(100%, 200px);
  height: auto;
  aspect-ratio: 1;
  background: #fff;
  padding: 0.65rem;
  border: 1px solid var(--mist);
}

.contact-qr-title {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.contact-qr-tip {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (min-width: 820px) {
  .contact-panel {
    grid-template-columns: 1.35fr 0.85fr;
    gap: 1.25rem;
  }
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.5);
  padding: 2rem 0;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer .footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.footer-brand .brand-logo {
  height: 36px;
  max-width: 180px;
  opacity: 0.96;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.footer-contact a {
  color: var(--white);
  font-weight: 600;
}

/* Float dock — phone + WeChat */
.float-dock {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  display: grid;
  gap: 0.55rem;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 3.4rem;
  padding: 0.85rem 1rem;
  color: var(--white);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  border: 0;
  cursor: pointer;
  box-shadow: 0 14px 36px rgba(7, 11, 20, 0.22);
}

.float-phone {
  background: var(--brand-grad);
  animation: pulse-soft 2.8s ease-in-out infinite;
}

.float-wechat {
  background: #07c160;
}

.float-wechat.is-open,
.float-wechat:hover {
  filter: brightness(1.05);
}

.float-ico {
  font-size: 0.95rem;
  line-height: 1;
}

.float-wechat-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.65rem);
  width: 11.5rem;
  padding: 0.85rem;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 48px rgba(7, 11, 20, 0.18);
  text-align: center;
}

.float-wechat-panel[hidden] {
  display: none;
}

.float-wechat-panel img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin-bottom: 0.45rem;
}

.float-wechat-panel p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink);
  font-weight: 600;
}

.float-wechat-num {
  margin-top: 0.2rem !important;
  color: var(--muted) !important;
  font-weight: 500 !important;
  letter-spacing: 0.04em;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(36px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-ken {
  from {
    transform: scale(1.02) translate(0, 0);
  }
  to {
    transform: scale(1.06) translate(-0.6%, -0.4%);
  }
}

@keyframes scroll-line {
  0%,
  100% {
    opacity: 0.25;
    transform: scaleY(0.7);
    transform-origin: top;
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes pulse-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

@media (min-width: 700px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .service-cell {
    min-height: 14rem;
    --cell-pad: 1.65rem 1.55rem 1.45rem;
    padding: var(--cell-pad);
  }
}

@media (min-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }

  .service-cell {
    min-height: 15.5rem;
    --cell-pad: 1.85rem 1.7rem 1.55rem;
    padding: var(--cell-pad);
  }
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .section-head-services {
    margin-bottom: clamp(3rem, 5vw, 4rem);
  }

  .case-stack {
    gap: 1.5rem;
  }

  .case-row {
    grid-template-columns: 1.35fr 1fr;
    align-items: stretch;
  }

  .case-row:nth-child(even) {
    grid-template-columns: 1fr 1.35fr;
  }

  .case-row:nth-child(even) .case-visual {
    order: 2;
  }

  .case-visual {
    aspect-ratio: auto;
    min-height: 240px;
    max-height: none;
    height: 100%;
  }

  .case-meta {
    display: grid;
    align-content: center;
    padding: 2.5rem 2.75rem;
  }

  .process-rail {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem 2rem;
  }

  .news-item {
    grid-template-columns: 8rem 1fr;
    align-items: baseline;
  }
}

@media (min-width: 1100px) {
  .hero-content {
    padding-bottom: 6rem;
  }

  .case-visual {
    min-height: 280px;
    max-height: 380px;
  }
}

/* —— 服务页（cs-wangz 等） —— */
/* 顶栏叠在 Banner 上：未滚动透明，滚动后实底 */
.page-simple .site-header {
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.page-simple .site-header .nav-links a {
  color: rgba(255, 255, 255, 0.82);
}

.page-simple .site-header .nav-links a:hover,
.page-simple .site-header .nav-links a.is-current {
  color: var(--white);
}

.page-simple .site-header .menu-toggle span {
  background: var(--white);
}

.page-simple .site-header.is-solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(7, 11, 20, 0.04);
}

.page-simple .site-header.is-solid .nav-links a {
  color: rgba(18, 26, 40, 0.72);
}

.page-simple .site-header.is-solid .nav-links a:hover,
.page-simple .site-header.is-solid .nav-links a.is-current {
  color: var(--ink);
}

.page-simple .site-header.is-solid .menu-toggle span {
  background: var(--ink);
}

/* Banner 从页顶铺满，压在菜单下；图片按比例完整显示 */
.svc-banner {
  position: relative;
  margin-top: 0;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #070b14;
}

.svc-banner-bg {
  position: relative;
  z-index: 0;
  grid-area: 1 / 1;
  line-height: 0;
}

.svc-banner-bg img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center center;
  transform: none;
}

.svc-banner-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 11, 20, 0.78) 0%, rgba(7, 11, 20, 0.38) 46%, rgba(7, 11, 20, 0.1) 72%, rgba(7, 11, 20, 0.04) 100%),
    linear-gradient(180deg, rgba(7, 11, 20, 0.35) 0%, transparent 28%);
}

.svc-banner-inner {
  position: relative;
  z-index: 1;
  grid-area: 1 / 1;
  align-self: center;
  padding-top: calc(var(--nav-h) + 1.25rem);
  padding-bottom: 2.5rem;
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
  box-sizing: border-box;
}

.svc-banner-brand {
  margin: 0 0 0.45rem;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.88);
}

.svc-banner h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  line-height: 1.25;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.svc-banner-desc {
  margin: 0.65rem 0 0;
  max-width: 28rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.98rem;
  line-height: 1.65;
}

.svc-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.svc-banner-actions .btn {
  min-height: 2.85rem;
  min-width: auto;
  padding: 0.7rem 1.35rem;
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .svc-banner-inner {
    padding-top: calc(var(--nav-h) + 0.85rem);
    padding-bottom: 1.75rem;
  }

  .svc-banner h1 {
    font-size: clamp(1.45rem, 7vw, 1.9rem);
  }

  .svc-banner-desc {
    font-size: 0.9rem;
  }
}

.svc-scope {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.svc-scope-item {
  padding: 1.85rem 1.4rem 1.85rem 0;
  border-bottom: 1px solid var(--line);
}

.svc-scope-item:nth-child(odd) {
  padding-right: 2rem;
  border-right: 1px solid var(--line);
}

.svc-scope-item:nth-child(even) {
  padding-left: 2rem;
}

.svc-scope-item span {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--brand-teal);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.svc-scope-item h3 {
  margin: 0 0 0.55rem;
  font-size: 1.25rem;
  font-weight: 800;
}

.svc-scope-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.svc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  counter-reset: svcstep;
}

.svc-steps li {
  position: relative;
  padding-top: 2.4rem;
  counter-increment: svcstep;
}

.svc-steps li::before {
  content: counter(svcstep, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--brand-blue);
}

.svc-steps strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.08rem;
}

.svc-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.svc-price {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 2rem;
  align-items: stretch;
}

.svc-price-main {
  background: linear-gradient(160deg, #0d1524 0%, #152238 100%);
  color: #fff;
  border-radius: 20px;
  padding: 2rem 1.85rem;
}

.svc-price-kicker {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.svc-price-num {
  margin: 0.65rem 0 0.85rem;
  font-size: clamp(2.8rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}

.svc-price-num span {
  font-size: 1.1rem;
  margin-left: 0.25rem;
  font-weight: 600;
  letter-spacing: 0;
}

.svc-price-tip {
  margin: 0 0 1.35rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

.svc-price-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
  border-top: 1px solid var(--line);
}

.svc-price-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.6;
}

.svc-price-list li strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.section-dark {
  background: var(--ink);
  color: #fff;
}

.section-dark .section-head h2 {
  color: #fff;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.58);
}

.section-dark .section-label {
  color: var(--brand-cyan);
}

.svc-cases {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.svc-cases span {
  padding: 0.65rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.svc-cases-note {
  margin: 1.5rem 0 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.88rem;
}

.svc-faq {
  max-width: 820px;
  margin: 0 auto;
}

.svc-faq details {
  border-bottom: 1px solid var(--line);
  padding: 1.05rem 0;
}

.svc-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.svc-faq summary::-webkit-details-marker {
  display: none;
}

.svc-faq summary::after {
  content: "+";
  color: var(--brand-blue);
  font-weight: 800;
}

.svc-faq details[open] summary::after {
  content: "–";
}

.svc-faq p {
  margin: 0.75rem 0 0.25rem;
  color: var(--muted);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .svc-scope {
    grid-template-columns: 1fr;
  }

  .svc-scope-item,
  .svc-scope-item:nth-child(odd),
  .svc-scope-item:nth-child(even) {
    padding: 1.4rem 0;
    border-right: 0;
  }

  .svc-steps {
    grid-template-columns: 1fr 1fr;
  }

  .svc-price {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .svc-steps {
    grid-template-columns: 1fr;
  }
}

/* —— 资讯静态详情（一级目录 news-*.html） —— */
.page-article .site-header,
.page-article .site-header.is-solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(7, 11, 20, 0.04);
}

.page-article .site-header .nav-links a {
  color: rgba(18, 26, 40, 0.72);
}

.page-article .site-header .nav-links a:hover,
.page-article .site-header .nav-links a.is-current {
  color: var(--ink);
}

.page-article .site-header .menu-toggle span {
  background: var(--ink);
}

.article-top {
  padding: calc(var(--nav-h) + 2.5rem) 0 1.75rem;
  background:
    radial-gradient(720px 280px at 10% 0%, rgba(20, 160, 168, 0.12), transparent 60%),
    radial-gradient(640px 260px at 90% 10%, rgba(22, 93, 255, 0.1), transparent 55%),
    linear-gradient(180deg, #f7f9fc 0%, var(--paper) 100%);
}

.article-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.article-crumb a {
  color: var(--muted);
  text-decoration: none;
}

.article-crumb a:hover {
  color: var(--brand-blue);
}

.article-title {
  margin: 0;
  max-width: 920px;
  font-size: clamp(1.7rem, 3.2vw, 2.45rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--ink);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.15rem;
}

.article-tag {
  display: inline-flex;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.08);
  color: #1a3f8a;
  font-size: 0.78rem;
  font-weight: 600;
}

.article-panel {
  padding: 0.5rem 0 3rem;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2rem;
  align-items: start;
}

.article-body {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem 2.15rem;
  box-shadow: 0 12px 36px rgba(7, 11, 20, 0.05);
  font-size: 1.05rem;
  line-height: 1.9;
  color: #1c2535;
}

.article-body > p:first-child {
  font-size: 1.12rem;
  color: #2a3548;
}

.article-body h2 {
  margin: 2rem 0 0.85rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding-left: 0.75rem;
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, #14a0a8, #165dff) 1;
}

.article-body h3 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.12rem;
  font-weight: 700;
}

.article-body p {
  margin: 0 0 1rem;
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.15rem;
  padding-left: 1.35rem;
}

.article-body li {
  margin: 0.35rem 0;
}

.article-body a {
  color: var(--brand-blue);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.article-body strong {
  font-weight: 700;
  color: var(--ink);
}

.article-end {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(20, 160, 168, 0.06), rgba(22, 93, 255, 0.05));
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
}

.article-end p {
  margin: 0;
}

.article-aside {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

.aside-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.15rem 1.2rem;
  box-shadow: 0 10px 28px rgba(7, 11, 20, 0.04);
}

.aside-card h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 800;
}

.aside-card a:not(.btn) {
  display: block;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.aside-card a:not(.btn):last-child {
  border-bottom: 0;
}

.aside-card a:not(.btn):hover {
  color: var(--brand-blue);
}

.aside-cta .aside-kicker {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.aside-cta .btn {
  display: inline-flex;
  width: 100%;
  margin: 0 0 0.65rem;
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
  border-bottom-style: solid;
}

.aside-cta .btn:last-child {
  margin-bottom: 0;
}

.aside-cta .btn-primary {
  color: #fff !important;
  border: 0;
}

.aside-cta .btn-primary:hover {
  color: #fff !important;
}

.aside-cta .btn-line {
  color: var(--ink) !important;
  border: 1px solid rgba(7, 11, 20, 0.25);
  background: #fff;
}

.aside-cta .btn-line:hover {
  color: #fff !important;
  background: var(--ink);
  border-color: var(--ink);
}

@media (max-width: 960px) {
  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }

  .article-body {
    padding: 1.35rem 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .float-phone,
  .float-btn,
  .hero-brand,
  .hero-logo,
  .hero-title,
  .hero-desc,
  .hero-actions,
  .hero-scroll,
  .hero-scroll i {
    animation: none;
  }

  .hero-brand,
  .hero-logo,
  .hero-title,
  .hero-desc,
  .hero-actions,
  .hero-scroll {
    opacity: 1;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}