/* ============================================================
   治尊宝环保 · 室内甲醛检测与治理官网
   白色简洁风 · 高端响应式企业官网
   增长超人风格 · 移动端优先设计
   ============================================================ */

/* ===== VARIABLES ===== */
:root {
  /* 白色简洁风格 - 主背景 */
  --bg: #ffffff;
  --bg2: #f8f9fa;
  --bg3: #f0f2f5;
  --bg4: #e8ebef;
  --bg5: #dfe2e7;
  --border: rgba(0,0,0,.06);
  --border2: rgba(0,0,0,.1);
  --border3: rgba(0,0,0,.15);

  /* 金橙色强调色（增长超人风格） */
  --accent: #d4a853;
  --accent2: #e6bc6a;
  --accent3: #c49a45;
  --accent-bg: rgba(212,168,83,.1);
  --accent-bg2: rgba(212,168,83,.06);

  /* 科技绿（信任色） */
  --green: #10b981;
  --green2: #34d399;
  --green-bg: rgba(16,185,129,.08);
  --green-bg2: rgba(16,185,129,.04);

  --white: #ffffff;
  --text: #374151;
  --text2: #6b7280;
  --text3: #9ca3af;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;

  --nav-h: 68px;
  --ann-h: 40px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.1);
  --glow: 0 0 40px rgba(212,168,83,.1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select, textarea { font-family: inherit; outline: none; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* Selection */
::selection { background: var(--accent-bg); color: var(--accent3); }

/* ===== LAYOUT ===== */
.section { padding: 90px 0; }
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar {
  background: linear-gradient(90deg, rgba(212,168,83,.08), rgba(212,168,83,.03));
  border-bottom: 1px solid rgba(212,168,83,.15);
  height: var(--ann-h);
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1001;
}
.announcement-inner {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--text2); max-width: 1200px; padding: 0 20px;
}
.announcement-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: pulse-dot 2s infinite; flex-shrink: 0;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}
.announcement-cta {
  color: var(--accent); font-weight: 500; margin-left: 12px;
  transition: color .2s; white-space: nowrap;
}
.announcement-cta:hover { color: var(--accent3); }
.announcement-close {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  background: none; color: var(--text3); font-size: 16px; line-height: 1;
  transition: color .2s;
}
.announcement-close:hover { color: var(--text2); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: var(--ann-h); left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all .3s;
}
.navbar.scrolled {
  top: 0;
  background: rgba(255,255,255,.98);
  box-shadow: 0 4px 30px rgba(0,0,0,.08);
  border-bottom-color: var(--border2);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  height: 100%; display: flex; align-items: center; gap: 28px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 38px; height: 38px; flex-shrink: 0; }
.logo-text-group { display: flex; flex-direction: column; }
.logo-name { font-size: 17px; font-weight: 700; color: #1a1a1a; letter-spacing: .5px; }
.logo-sub { font-size: 9px; color: var(--text3); letter-spacing: 1.5px; text-transform: uppercase; }

/* Nav Links */
.nav-links { display: flex; align-items: center; gap: 2px; flex: 1; margin-left: 12px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 12px; font-size: 13px; color: var(--text2);
  border-radius: var(--radius-xs); transition: all .2s; font-weight: 500;
}
.nav-link:hover, .nav-link.active { color: #1a1a1a; }
.nav-link.active { color: var(--accent); }
.nav-arrow { font-size: 9px; transition: transform .2s; }
.has-submenu:hover .nav-arrow, .has-submenu.active .nav-arrow { transform: rotate(180deg); }

/* Submenu */
.submenu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(8px);
  background: var(--white); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 10px; min-width: 280px;
  display: none; box-shadow: var(--shadow-lg); z-index: 100;
  backdrop-filter: blur(16px);
}
.has-submenu:hover .submenu, .has-submenu.active .submenu { display: block; animation: submenuIn .2s ease; }
@keyframes submenuIn {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.submenu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm); transition: background .2s;
}
.submenu-item:hover { background: var(--bg2); }
.submenu-icon { font-size: 20px; }
.submenu-title { font-size: 13px; font-weight: 500; color: #1a1a1a; margin-bottom: 1px; }
.submenu-desc { font-size: 11px; color: var(--text2); }

/* Nav Right */
.nav-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-phone {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; color: var(--text2); font-weight: 500;
  transition: color .2s;
}
.nav-phone:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent); color: #000;
  padding: 8px 18px; border-radius: 50px;
  font-size: 13px; font-weight: 600;
  transition: all .2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212,168,83,.3); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 4px;
  background: none; padding: 8px; margin-left: auto;
}
.hamburger span {
  width: 22px; height: 2px; background: var(--text2); border-radius: 2px;
  transition: all .3s; display: block;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); background: var(--accent); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: var(--accent); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed; top: var(--ann-h); left: 0; right: 0; bottom: 0;
  background: var(--white); z-index: 999;
  flex-direction: column; overflow-y: auto;
}
.mobile-menu.show { display: flex; }
.mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.mobile-close { font-size: 24px; color: var(--text2); background: none; }
.mobile-links { padding: 8px 0; flex: 1; }
.mobile-link {
  display: block; padding: 14px 20px; font-size: 15px; color: var(--text);
  border-bottom: 1px solid var(--border); transition: all .2s;
}
.mobile-link:hover { color: var(--accent); padding-left: 28px; }
.mobile-menu-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; }
.mobile-cta-tel { display: block; text-align: center; padding: 12px; border: 1px solid var(--border2); border-radius: 50px; color: var(--text); font-size: 14px; }
.mobile-cta-book { display: block; text-align: center; padding: 12px; background: var(--accent); color: #000; border-radius: 50px; font-size: 14px; font-weight: 600; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; padding-top: calc(var(--ann-h) + var(--nav-h));
  position: relative; overflow: hidden; display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 75% 15%, rgba(212,168,83,.1) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 15% 85%, rgba(16,185,129,.08) 0%, transparent 45%),
    radial-gradient(ellipse 100% 80% at 50% 0%, rgba(212,168,83,.05) 0%, transparent 50%),
    linear-gradient(180deg, #fafbfc 0%, var(--bg) 100%);
}
.hero-particles { position: absolute; inset: 0; }

.hero-container {
  max-width: 1200px; margin: 0 auto; padding: 50px 20px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
  position: relative; z-index: 1;
}

/* Hero Content */
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent-bg); border: 1px solid rgba(212,168,83,.2);
  color: var(--accent3); padding: 5px 14px; border-radius: 50px;
  font-size: 12px; font-weight: 500; margin-bottom: 24px; letter-spacing: .3px;
}
.badge-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: pulse-dot 2s infinite;
}
.hero-title {
  font-size: clamp(32px, 4.5vw, 56px); font-weight: 800; line-height: 1.15;
  color: #1a1a1a; margin-bottom: 20px; letter-spacing: -0.5px;
}
.hero-highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: clamp(14px, 1.4vw, 16px); color: var(--text2); max-width: 460px;
  margin-bottom: 36px; line-height: 1.85;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent); color: #000;
  padding: 14px 28px; border-radius: 50px; font-size: 14px; font-weight: 600;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 0; height: 0; border-radius: 50%;
  background: rgba(255,255,255,.3);
  transition: width .6s, height .6s;
  transform: translate(-50%, -50%);
}
.btn-primary:hover { background: var(--accent2); transform: translateY(-3px); box-shadow: 0 10px 35px rgba(212,168,83,.4); }
.btn-primary:hover::before { width: 300px; height: 300px; }
.btn-glow { box-shadow: 0 4px 20px rgba(212,168,83,.25); }
.btn-glow:hover { box-shadow: 0 10px 40px rgba(212,168,83,.5); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 7px;
  background: transparent; color: var(--text);
  padding: 14px 28px; border-radius: 50px; font-size: 14px; font-weight: 500;
  border: 1.5px solid var(--border2); transition: all .25s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }

/* Hero Stats */
.hero-stats { display: flex; gap: 24px; flex-wrap: wrap; }
.hero-stat { }
.hero-stat-num {
  font-size: 26px; font-weight: 800; color: #1a1a1a; line-height: 1.1;
  letter-spacing: -0.5px;
}
.hero-stat-label { font-size: 11px; color: var(--text3); margin-top: 3px; letter-spacing: .3px; }
.hero-stat-divider { width: 1px; background: var(--border2); align-self: stretch; }

/* Hero Visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }

/* Main Card */
.hero-main-card {
  background: rgba(255,255,255,.98); border: 1px solid var(--border2);
  border-radius: 16px; padding: 24px 24px 20px;
  backdrop-filter: blur(16px); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 340px;
  animation: cardPulse 4s ease-in-out infinite;
}
@keyframes cardPulse {
  0%,100% { box-shadow: var(--shadow-lg); transform: translateY(0); }
  50% { box-shadow: 0 12px 50px rgba(16,185,129,.1); transform: translateY(-3px); }
}
.hmc-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hmc-badge {
  display: flex; align-items: center; gap: 5px;
  background: var(--green-bg); border: 1px solid rgba(16,185,129,.2);
  color: var(--green); padding: 3px 10px; border-radius: 50px; font-size: 11px; font-weight: 500;
}
.hmc-badge-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.hmc-time { font-size: 10px; color: var(--text3); }
.hmc-title { font-size: 13px; color: var(--text2); margin-bottom: 5px; }
.hmc-value { display: flex; align-items: baseline; gap: 5px; margin-bottom: 8px; }
.hmc-number { font-size: 36px; font-weight: 800; color: var(--green); letter-spacing: -1px; }
.hmc-unit { font-size: 13px; color: var(--text2); }
.hmc-status { margin-bottom: 14px; }
.hmc-meter {
  background: var(--bg3); border-radius: 50px; height: 5px; overflow: hidden; margin-bottom: 7px;
}
.hmc-meter-fill {
  height: 100%; border-radius: 50px;
  background: linear-gradient(90deg, var(--green), var(--green2));
  transition: width 1.5s ease;
}
.hmc-status-text { display: flex; align-items: center; gap: 5px; font-size: 12px; }
.hmc-status-icon { color: var(--green); font-size: 13px; }
.hmc-status-label { color: var(--green); font-weight: 500; }
.hmc-divider { height: 1px; background: var(--border); margin-bottom: 14px; }
.hmc-readings { display: flex; flex-direction: column; gap: 8px; }
.hmc-reading-label { font-size: 10px; color: var(--text3); margin-bottom: 3px; }
.hmc-reading-bar { background: var(--bg3); border-radius: 50px; height: 3px; overflow: hidden; margin-bottom: 2px; }
.hmc-reading-bar > div { height: 100%; border-radius: 50px; }
.hmc-reading-val { font-size: 10px; color: var(--text3); text-align: right; }

/* Floating cards */
.hero-float {
  position: absolute; background: rgba(255,255,255,.98); border: 1px solid var(--border2);
  border-radius: 12px; padding: 10px 14px; backdrop-filter: blur(16px);
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px;
  animation: float 4s ease-in-out infinite;
}
.hero-float-1 { top: 5%; right: -8px; animation-delay: 0s; }
.hero-float-2 { bottom: 22%; right: -16px; animation-delay: 1.3s; }
.hero-float-3 { bottom: 5%; left: -8px; animation-delay: 2.6s; }
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hf-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--green-bg); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.hf-title { font-size: 12px; font-weight: 600; color: #1a1a1a; white-space: nowrap; }
.hf-sub { font-size: 10px; color: var(--text3); }

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  font-size: 10px; color: var(--text3); z-index: 1; letter-spacing: 1px;
}
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, var(--border2));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== LOGO WALL ===== */
.logo-wall {
  background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 28px 0; overflow: hidden;
}
.logo-wall-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.logo-wall-label {
  text-align: center; font-size: 11px; color: var(--text3);
  letter-spacing: 1.5px; margin-bottom: 20px; text-transform: uppercase;
}
.logo-track-wrapper { overflow: hidden; mask: linear-gradient(90deg, transparent, black 10%, black 90%, transparent); }
.logo-track {
  display: flex; align-items: center; gap: 36px;
  animation: logoScroll 30s linear infinite; width: max-content;
}
@keyframes logoScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.logo-item { flex-shrink: 0; }
.logo-placeholder {
  width: 90px; height: 28px; border-radius: 5px;
  background: var(--bg3); border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--text3);
}

/* ===== SECTION COMMON ===== */
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--accent); font-size: 12px; font-weight: 500;
  letter-spacing: .8px; margin-bottom: 12px;
}
.tag-line { width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-title {
  font-size: clamp(26px, 3vw, 38px); font-weight: 800; color: #1a1a1a;
  margin-bottom: 12px; letter-spacing: -0.3px; line-height: 1.2;
}
.section-desc { font-size: 15px; color: var(--text2); max-width: 520px; margin: 0 auto; }

/* ===== SCROLL ANIMATIONS - 高端奢华动效系统 ===== */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1); }
.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right { opacity: 0; transform: translateX(40px); transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1); }
.fade-right.visible { opacity: 1; transform: translateX(0); }

.fade-scale { opacity: 0; transform: scale(.92); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.68,0,1.2); }
.fade-scale.visible { opacity: 1; transform: scale(1); }

.fade-bounce { opacity: 0; transform: translateY(50px) scale(.95); transition: opacity .8s ease, transform .8s cubic-bezier(.34,1.56,.64,1); }
.fade-bounce.visible { opacity: 1; transform: translateY(0) scale(1); }

/* 卡片悬浮光泽效果 */
.glow-card {
  position: relative; overflow: hidden;
}
.glow-card::after {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,.08) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform .6s;
  pointer-events: none;
}
.glow-card:hover::after { transform: translateX(100%); }

/* 文字渐变动画 */
@keyframes gradientShift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.gradient-text-animate {
  background: linear-gradient(270deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
  background-size: 400% 400%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease infinite;
}

/* 卡片微浮动效果 */
@keyframes subtleFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.subtle-float { animation: subtleFloat 3s ease-in-out infinite; }

/* 边框光晕效果 */
@keyframes borderGlow {
  0%,100% { box-shadow: 0 0 0 0 rgba(212,168,83,0); }
  50% { box-shadow: 0 0 20px 2px rgba(212,168,83,.15); }
}
.border-glow { animation: borderGlow 3s ease-in-out infinite; }

/* 数字递增闪烁 */
@keyframes numberPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}
.number-pop { animation: numberPop 2s ease-in-out; }

/* 进度条动画 */
@keyframes progressFill {
  from { width: 0; }
}
.progress-animate { animation: progressFill 1.5s cubic-bezier(.4,0,.2,1) forwards; }

/* 图标旋转效果 */
@keyframes iconSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.icon-spin { animation: iconSpin 8s linear infinite; }

/* 脉冲波纹 */
@keyframes pulseWave {
  0% { transform: scale(1); opacity: .5; }
  100% { transform: scale(2); opacity: 0; }
}
.pulse-wave { position: relative; }
.pulse-wave::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  border: 2px solid var(--accent); animation: pulseWave 2s ease-out infinite;
}

/* 滚动视差效果容器 */
.parallax-slow { will-change: transform; transition: transform .1s linear; }
.parallax-medium { will-change: transform; transition: transform .15s linear; }
.parallax-fast { will-change: transform; transition: transform .08s linear; }

/* ===== SERVICE CARDS (呼吸滚动效果) ===== */
.service-cards-container {
  margin-bottom: 40px;
}
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card-item {
  position: relative;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.service-card-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity .3s;
}
.service-card-item:hover {
  border-color: rgba(212,168,83,.4);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,.1);
}
.service-card-item:hover::before {
  opacity: 1;
}

/* 默认选中卡片 */
.service-card-item.selected {
  background: linear-gradient(145deg, rgba(212,168,83,.08), rgba(212,168,83,.03));
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(212,168,83,.15);
}
.service-card-item.selected::before {
  opacity: 1;
}
.service-card-item.selected .sci-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* 呼吸滚动动画 */
.service-card-item.breathing {
  animation: breathingPulse 2s ease-in-out infinite;
}
.service-card-item.breathing:nth-child(3) {
  animation-delay: 0.5s;
}
.service-card-item.breathing:nth-child(4) {
  animation-delay: 1s;
}
@keyframes breathingPulse {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(0,0,0,.06);
  }
  50% {
    transform: translateY(-8px);
    box-shadow: 0 12px 36px rgba(212,168,83,.12);
  }
}

/* 热门标签 */
.sci-badge-hot {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #ff6b3d, #ff9a5c);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.sci-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  transition: all .3s;
}
.service-card-item:hover .sci-icon {
  transform: scale(1.1);
  background: rgba(212,168,83,.15);
}
.service-card-item.selected .sci-icon {
  background: rgba(212,168,83,.15);
}

.sci-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 4px;
}
.sci-subtitle {
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 12px;
}
.sci-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.sci-price span {
  font-size: 22px;
}
.sci-tags {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}
.sci-tag {
  background: var(--accent-bg);
  border: 1px solid rgba(212,168,83,.2);
  border-radius: 50px;
  padding: 3px 10px;
  font-size: 10px;
  color: var(--accent3);
}
.sci-selected-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #000;
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 50px;
  display: none;
}
.service-card-item.selected .sci-selected-badge {
  display: block;
}
.sci-arrow {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  opacity: 0;
  transform: translateX(-8px);
  transition: all .3s;
}

/* ===== SERVICE DETAIL MODAL ===== */
.service-detail-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.service-detail-modal.show {
  opacity: 1;
  visibility: visible;
}
.sdm-content {
  background: var(--white);
  border-radius: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(.95) translateY(20px);
  transition: transform .35s cubic-bezier(.22,.68,0,1.2);
  box-shadow: 0 30px 100px rgba(0,0,0,.2);
}
.sdm-content.animate-in {
  transform: scale(1) translateY(0);
}
.sdm-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg2);
  border: none;
  font-size: 20px;
  color: var(--text2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  z-index: 10;
}
.sdm-close:hover {
  background: var(--bg3);
  color: var(--text);
}
.sdm-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--border);
}
.sdm-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--accent-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sdm-title-wrap {
  flex: 1;
}
.sdm-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 4px;
}
.sdm-subtitle {
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}
.sdm-body {
  padding: 24px 32px;
}
.sdm-desc {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.85;
  margin-bottom: 20px;
}
.sdm-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.sdm-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg2);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--text);
}
.sdm-feature-icon {
  font-size: 18px;
}
.sdm-price {
  text-align: center;
  padding: 20px;
  background: linear-gradient(145deg, rgba(212,168,83,.1), rgba(212,168,83,.05));
  border: 1px solid rgba(212,168,83,.2);
  border-radius: 16px;
  margin-bottom: 20px;
}
.sdm-price-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
}
.sdm-price-unit {
  font-size: 16px;
  color: var(--text2);
  margin-left: 4px;
}
.sdm-guarantee {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.sdm-guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--green);
}
.sdm-footer {
  padding: 20px 32px 32px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.sdm-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all .25s;
}
.sdm-cta:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,168,83,.3);
}
.sdm-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg2);
  color: var(--text);
  padding: 14px 24px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  border: 1.5px solid var(--border2);
  transition: all .25s;
}
.sdm-tel:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== SERVICES ===== */
.services { background: var(--bg); }
.services-tabs { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.service-tab {
  padding: 9px 20px; border-radius: 50px;
  border: 1.5px solid var(--border2); background: transparent;
  color: var(--text2); font-size: 13px; font-weight: 500;
  transition: all .25s; cursor: pointer;
}
.service-tab.active { background: var(--accent); color: #000; border-color: var(--accent); }
.service-tab:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

.service-panel { display: none; }
.service-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.sp-title { font-size: 24px; font-weight: 700; color: #1a1a1a; margin-bottom: 6px; }
.sp-subtitle { font-size: 13px; color: var(--accent); margin-bottom: 16px; font-weight: 500; }
.sp-desc { font-size: 14px; color: var(--text2); line-height: 1.85; margin-bottom: 24px; }
.sp-steps { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.sp-step { display: flex; gap: 14px; align-items: flex-start; }
.sp-step-num {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent-bg); border: 1px solid rgba(212,168,83,.2);
  color: var(--accent); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.sp-step-title { font-size: 14px; font-weight: 600; color: #1a1a1a; margin-bottom: 1px; }
.sp-step-desc { font-size: 12px; color: var(--text2); }
.sp-cta {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--accent); color: #000;
  padding: 12px 24px; border-radius: 50px; font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.sp-cta:hover { background: var(--accent2); transform: translateY(-2px); }

.sp-visual-inner {
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: 20px; padding: 40px 36px; text-align: center;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  min-height: 300px;
}
.sp-big-icon { margin-bottom: 6px; }
.sp-badge-title { font-size: 18px; font-weight: 700; color: #1a1a1a; }
.sp-badges { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.sp-badge {
  background: var(--accent-bg); border: 1px solid rgba(212,168,83,.2);
  border-radius: 50px; padding: 5px 14px; font-size: 12px; color: var(--accent3);
}

/* ===== ADVANTAGES ===== */
.advantages { background: var(--bg2); }
.adv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 52px;
}
.adv-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 20px;
  transition: all .3s; position: relative; overflow: hidden;
}
.adv-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0); transform-origin: left; transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.adv-card:hover { border-color: rgba(212,168,83,.3); transform: translateY(-5px); box-shadow: 0 12px 40px rgba(0,0,0,.08); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-card-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--accent-bg);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.adv-card-num {
  position: absolute; top: 16px; right: 16px;
  font-size: 36px; font-weight: 800; color: var(--border3); line-height: 1; z-index: 0;
}
.adv-card-title { font-size: 15px; font-weight: 600; color: #1a1a1a; margin-bottom: 6px; position: relative; z-index: 1; }
.adv-card-desc { font-size: 13px; color: var(--text2); line-height: 1.75; position: relative; z-index: 1; }

/* Stats */
.stats-row {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 16px; margin-top: 16px;
}
.stat-block {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 16px; text-align: center;
  transition: all .3s;
}
.stat-block:hover { border-color: var(--border2); transform: translateY(-2px); }
.stat-block-num {
  font-size: 32px; font-weight: 800; color: var(--accent);
  letter-spacing: -1px; line-height: 1.1; margin-bottom: 6px;
}
.stat-block-label { font-size: 12px; color: var(--text2); }

/* ===== CASES ===== */
.cases { background: var(--bg); }
.case-filters { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.case-filter {
  padding: 7px 16px; border-radius: 50px;
  border: 1.5px solid var(--border2); background: transparent;
  color: var(--text2); font-size: 12px; font-weight: 500;
  transition: all .25s; cursor: pointer;
}
.case-filter.active { background: var(--accent); color: #000; border-color: var(--accent); }
.case-filter:hover:not(.active) { border-color: var(--accent); color: var(--accent); }

.cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.case-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: all .35s cubic-bezier(.4,0,.2,1);
}
.case-card:hover { border-color: rgba(212,168,83,.3); transform: translateY(-6px); box-shadow: 0 15px 45px rgba(0,0,0,.1); }
.case-card-image {
  height: 160px; background: var(--bg2);
  background-image: radial-gradient(circle at 50% 50%, rgba(212,168,83,.08) 0%, transparent 70%);
  position: relative;
}
.case-card-overlay { position: absolute; top: 12px; left: 12px; }
.case-card-tag {
  background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
  border: 1px solid var(--border2); color: var(--accent);
  padding: 3px 10px; border-radius: 50px; font-size: 10px; font-weight: 500;
}
.case-card-body { padding: 16px 18px; }
.case-card-title { font-size: 14px; font-weight: 600; color: #1a1a1a; margin-bottom: 6px; }
.case-card-meta { display: flex; gap: 12px; font-size: 11px; color: var(--text3); margin-bottom: 12px; }
.case-card-result { display: flex; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--border); }
.case-result-item { flex: 1; }
.case-result-label { font-size: 10px; color: var(--text3); display: block; margin-bottom: 1px; }
.case-result-val { font-size: 12px; font-weight: 600; }
.case-result-arrow { color: var(--text3); font-size: 12px; flex-shrink: 0; }

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--bg2); }
.testimonial-track {
  display: flex; gap: 16px; overflow: hidden; margin-bottom: 20px;
}
.testimonial-card {
  flex: 0 0 calc(33.333% - 11px);
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; min-width: 0;
  transition: all .3s;
}
.testimonial-card:hover { border-color: var(--border2); }
.testimonial-stars { color: var(--accent); font-size: 12px; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-text { font-size: 13px; color: var(--text2); line-height: 1.85; margin-bottom: 16px; }
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-bg); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; flex-shrink: 0;
}
.testimonial-name { font-size: 13px; font-weight: 600; color: #1a1a1a; }
.testimonial-role { font-size: 11px; color: var(--text3); }

.testimonial-dots { display: flex; justify-content: center; gap: 6px; }
.t-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--border2); cursor: pointer; transition: all .2s; }
.t-dot.active { background: var(--accent); width: 20px; border-radius: 4px; }

/* ===== ABOUT ===== */
.about { background: var(--bg); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; margin-bottom: 52px; }
.about-desc { font-size: 14px; color: var(--text2); line-height: 1.85; margin-bottom: 24px; }
.about-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.about-badge {
  background: var(--green-bg); border: 1px solid rgba(16,185,129,.2);
  color: var(--green); padding: 5px 14px; border-radius: 50px; font-size: 12px; font-weight: 500;
}
.about-features { display: flex; flex-direction: column; gap: 12px; }
.about-feature { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text2); }
.about-feature-check {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green-bg); border: 1px solid rgba(16,185,129,.2);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;
}

/* Timeline */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 1px; background: var(--border2); }
.timeline-item { position: relative; margin-bottom: 30px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -21px; top: 4px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--white);
}
.timeline-year { font-size: 12px; font-weight: 700; color: var(--accent); margin-bottom: 3px; }
.timeline-title { font-size: 14px; font-weight: 600; color: #1a1a1a; margin-bottom: 3px; }
.timeline-desc { font-size: 12px; color: var(--text2); }

/* Credentials */
.credentials { border-top: 1px solid var(--border); padding-top: 52px; }
.credentials-label { text-align: center; font-size: 12px; color: var(--text3); margin-bottom: 24px; letter-spacing: 1.5px; }
.credentials-track-wrapper { overflow: hidden; mask: linear-gradient(90deg, transparent, black 5%, black 95%, transparent); }
.credentials-track {
  display: flex; gap: 14px;
  animation: logoScroll 25s linear infinite; width: max-content;
}
.credential-card {
  flex-shrink: 0; width: 140px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
  transition: all .3s;
}
.credential-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.cred-icon { font-size: 24px; margin-bottom: 8px; }
.cred-title { font-size: 13px; font-weight: 600; color: #1a1a1a; margin-bottom: 3px; }
.cred-desc { font-size: 11px; color: var(--text3); }

/* ===== KNOWLEDGE ===== */
.knowledge { background: var(--bg2); }
.knowledge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.knowledge-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 24px; transition: all .3s;
}
.knowledge-card:hover { border-color: var(--border2); }
.knowledge-card-num {
  font-size: 36px; font-weight: 800; color: var(--border3); line-height: 1; margin-bottom: 10px;
}
.knowledge-card-title { font-size: 15px; font-weight: 600; color: #1a1a1a; margin-bottom: 10px; }
.knowledge-card-text { font-size: 13px; color: var(--text2); line-height: 1.85; }

/* ===== BOOKING ===== */
.booking { background: var(--bg); }
.booking-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.booking-title { font-size: clamp(24px, 2.5vw, 34px); font-weight: 700; color: #1a1a1a; margin-bottom: 12px; }
.booking-desc { font-size: 14px; color: var(--text2); line-height: 1.8; margin-bottom: 28px; }
.booking-contacts { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.booking-contact { display: flex; align-items: center; gap: 12px; }
.bc-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-bg); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.bc-label { font-size: 11px; color: var(--text3); margin-bottom: 1px; }
.bc-value { font-size: 14px; font-weight: 600; color: #1a1a1a; }
.booking-promise { display: flex; flex-direction: column; gap: 8px; }
.bp-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text2);
}

/* Booking Form */
.booking-form-wrapper { background: var(--white); border: 1px solid var(--border2); border-radius: var(--radius); padding: 30px; }
.bf-title { font-size: 18px; font-weight: 700; color: #1a1a1a; margin-bottom: 5px; }
.bf-sub { font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.bf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bf-group { margin-bottom: 14px; }
.bf-label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 5px; font-weight: 500; }
.bf-required { color: var(--accent); }
.bf-input {
  width: 100%; padding: 11px 14px;
  background: var(--bg2); border: 1.5px solid var(--border2);
  border-radius: var(--radius-sm); font-size: 13px; color: #1a1a1a;
  transition: border-color .2s, background .2s;
}
.bf-input::placeholder { color: var(--text3); }
.bf-input:focus { border-color: var(--accent); background: var(--white); }
.bf-textarea { resize: vertical; min-height: 80px; }
.bf-submit {
  width: 100%; padding: 14px; border-radius: 50px;
  background: var(--accent); color: #000; font-size: 15px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 7px;
  transition: all .25s; margin-top: 6px;
}
.bf-submit:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(212,168,83,.3); }
.bf-note { text-align: center; font-size: 11px; color: var(--text3); margin-top: 10px; }

/* ===== FOOTER ===== */
.footer { background: #1a1a1a; }
.footer-main { padding: 52px 0 36px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-brand { max-width: 280px; }
.footer-brand-desc { font-size: 13px; color: rgba(255,255,255,.6); line-height: 1.8; margin: 16px 0; }
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 34px; height: 34px; border-radius: 8px;
  background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7); transition: all .2s;
}
.social-link:hover { background: var(--accent); color: #000; }

.footer-links-group { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: -4px; }
.footer-col-title { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 14px; }
.footer-link-list { display: flex; flex-direction: column; gap: 9px; }
.footer-link-list li a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-link-list li a:hover { color: #fff; }
.footer-contact-list li { display: flex; align-items: center; gap: 7px; font-size: 12px; color: rgba(255,255,255,.6); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 16px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,.4); }
.footer-legal { display: flex; gap: 16px; }
.footer-legal a { font-size: 12px; color: rgba(255,255,255,.4); transition: color .2s; }
.footer-legal a:hover { color: rgba(255,255,255,.7); }

/* ===== FLOATING BAR ===== */
.floating-bar {
  position: fixed; bottom: 20px; right: 20px; z-index: 998;
  display: flex; flex-direction: column; gap: 6px;
}
.float-cta {
  display: flex; align-items: center; gap: 6px;
  background: var(--accent); color: #000;
  padding: 10px 18px; border-radius: 50px; font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all .25s;
}
.float-cta:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.float-item {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--white); border: 1px solid var(--border2);
  color: var(--text2); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: all .2s;
}
.float-item:hover { background: var(--accent-bg); border-color: rgba(212,168,83,.3); color: var(--accent); }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: #1a1a1a; border: 1px solid rgba(255,255,255,.1);
  color: #fff; padding: 12px 24px; border-radius: 50px;
  font-size: 14px; box-shadow: var(--shadow-lg);
  z-index: 9999; display: flex; align-items: center; gap: 8px;
  transition: transform .4s cubic-bezier(.22,.68,0,1.2);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast-icon {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); color: #fff; font-size: 11px;
  display: flex; align-items: center; justify-content: center;
}

/* ===== QR CODE MODAL ===== */
.qr-modal {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,.6); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.qr-modal.show { opacity: 1; visibility: visible; }
.qr-modal-content {
  background: var(--white); border-radius: 20px; padding: 32px;
  max-width: 360px; width: 90%; text-align: center;
  transform: scale(.9) translateY(20px);
  transition: transform .3s cubic-bezier(.22,.68,0,1.2);
  box-shadow: 0 25px 80px rgba(0,0,0,.25);
  position: relative;
}
.qr-modal.show .qr-modal-content { transform: scale(1) translateY(0); }
.qr-modal-close {
  position: absolute; top: 12px; right: 12px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--bg2); border: none; font-size: 18px;
  color: var(--text2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.qr-modal-close:hover { background: var(--bg3); color: var(--text); }
.qr-modal-header { margin-bottom: 24px; }
.qr-modal-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(5,150,105,.1); margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
}
.qr-modal-title { font-size: 20px; font-weight: 700; color: #1a1a1a; margin-bottom: 6px; }
.qr-modal-desc { font-size: 14px; color: var(--text2); }
.qr-modal-body {}
.qr-code-wrapper {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}
.qr-code-img {
  width: 180px;
  height: 180px;
  object-fit: contain;
  border-radius: 8px;
}
.qr-action-btn {
  display: inline-block; padding: 12px 28px;
  background: var(--green); color: #fff;
  border-radius: 50px; font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.qr-action-btn:hover { background: #059669; transform: translateY(-1px); }
.qr-action-hint { font-size: 11px; color: var(--text3); margin-top: 10px; }

/* Footer QR hint */
.footer-qr-hint {
  display: flex; flex-direction: column; gap: 6px; margin-top: 14px;
}
.footer-qr-hint span {
  font-size: 11px; color: var(--text2); cursor: pointer;
  transition: color .2s; display: flex; align-items: center; gap: 4px;
}
.footer-qr-hint span:hover { color: var(--accent); }

/* ===== RESPONSIVE - 移动端优先 ===== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .booking-grid { grid-template-columns: 1fr; }
  .service-panel.active { grid-template-columns: 1fr; }
  .footer-links-group { grid-template-columns: repeat(2, 1fr); }
  .service-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .sdm-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .announcement-bar { display: none; }
  .navbar { top: 0; }
  .nav-links, .nav-right { display: none; }
  .hamburger { display: flex; }
  
  .hero { padding-top: var(--nav-h); min-height: auto; padding-bottom: 50px; }
  .hero-container { padding: 32px 16px; }
  .hero-stats { gap: 16px; }
  .hero-stat-num { font-size: 22px; }
  .hero-float { display: none; }
  .hero-main-card { max-width: 100%; }
  
  .section { padding: 64px 0; }
  .section-container { padding: 0 16px; }
  .section-header { margin-bottom: 40px; }
  
  .service-cards-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .service-card-item { padding: 18px 14px; }
  .sci-icon { width: 52px; height: 52px; margin-bottom: 10px; }
  .sci-icon svg { width: 32px; height: 32px; }
  .sci-title { font-size: 14px; }
  .sci-price { font-size: 16px; }
  .sci-price span { font-size: 18px; }
  .sci-tags { display: none; }
  
  .adv-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .testimonial-card { flex: 0 0 100%; }
  .bf-row { grid-template-columns: 1fr; }
  .footer-links-group { grid-template-columns: 1fr 1fr; }
  
  .sdm-header { padding: 24px 20px 16px; flex-direction: column; text-align: center; }
  .sdm-body { padding: 16px 20px; }
  .sdm-footer { padding: 16px 20px 24px; flex-direction: column; }
  .sdm-cta, .sdm-tel { width: 100%; justify-content: center; }
  .sdm-guarantee { gap: 12px; }
  
  .floating-bar { bottom: 14px; right: 14px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; justify-content: center; width: 100%; }
  
  .services-tabs, .case-filters { gap: 5px; }
  .service-tab, .case-filter { padding: 7px 14px; font-size: 12px; }
  
  .service-cards-grid { grid-template-columns: 1fr; }
  .service-card-item { padding: 20px 16px; }
  .sci-tags { display: flex; }
  
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-links-group { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .booking-form-wrapper { padding: 20px; }
  
  .hero-main-card { padding: 20px 16px; }
  .hmc-number { font-size: 30px; }
}