/* =========================================================
   Nova Services · 诺智元生物科技
   Design tokens + global styles
   ========================================================= */

:root {
  /* —— Brand palette（基于 LOGO）—— */
  --primary: #644468;          /* 深紫罗兰（细胞核/主色） */
  --primary-600: #564060;
  --primary-700: #46324f;
  --primary-200: #d8c8db;
  --primary-50:  #f6f0f5;

  --coral: #eb9d9b;           /* 珊瑚粉 */
  --coral-600: #d9807e;
  --coral-200: #f7d5d3;
  --coral-50:  #fdecec;

  --sky: #8ccff7;             /* 天空蓝 */
  --sky-600: #5db5e8;
  --sky-200: #d3ebfc;
  --sky-50:  #eff8fd;

  --cream: #ddcfa5;           /* 奶黄 */
  --cream-600: #c0ae7b;
  --cream-200: #ecdfba;
  --cream-50:  #f9f2dd;

  --ink: #2a2532;             /* 主文字（接近紫家族） */
  --ink-muted: #6b6878;
  --ink-soft: #a8a4b5;
  --line: #ebe8f0;            /* 浅描边 */
  --line-strong: #d8d3df;

  --bg: #ffffff;
  --bg-soft: #faf9fc;
  --bg-tinted: #f6f3fa;

  /* —— Type —— */
  --font-sans: 'Outfit', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Outfit', system-ui, sans-serif;

  /* —— Spacing —— */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* —— Radius —— */
  --radius-sm: 0.5rem;
  --radius: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-pill: 999px;

  /* —— Shadow —— */
  --shadow-xs: 0 1px 2px rgba(58, 38, 76, 0.05);
  --shadow-sm: 0 4px 14px -4px rgba(58, 38, 76, 0.08);
  --shadow:    0 12px 40px -10px rgba(58, 38, 76, 0.16);
  --shadow-lg: 0 30px 80px -20px rgba(58, 38, 76, 0.22);

  /* —— Easing —— */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* —— Layout —— */
  --container: 1200px;
  --header-h: 72px;
}

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  min-height: 100dvh;
  font-feature-settings: "ss01", "cv02", "cv11";
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

/* Utility */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-50);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(100, 68, 104, 0.18);
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), backdrop-filter 0.35s;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(58, 38, 76, 0.06), 0 12px 32px -16px rgba(58, 38, 76, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  width: 60px;
  border-radius: 0.6rem;
  object-fit: cover;
  box-shadow: var(--shadow-xs);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
}

.nav-list {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-link:hover { color: var(--ink); background: var(--bg-soft); }
.nav-link.nav-cta {
  background: var(--primary);
  color: #fff;
  margin-left: 0.5rem;
}
.nav-link.nav-cta:hover { background: var(--primary-600); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 0.6rem;
  background: var(--bg-soft);
  gap: 5px;
}
.nav-toggle-bar {
  display: block;
  width: 18px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  margin: 0 auto;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(100, 68, 104, 0.5);
}
.btn--primary:hover {
  background: var(--primary-600);
  box-shadow: 0 14px 32px -10px rgba(100, 68, 104, 0.55);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover { background: var(--bg-soft); border-color: var(--primary); color: var(--primary); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  background: linear-gradient(180deg, #faf7fc 0%, #ffffff 70%);
}

/* Background blobs */
.hero-bg { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.hero-blob {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: float 14s ease-in-out infinite;
}
.hero-blob--coral {
  background: var(--coral);
  top: -120px; right: -120px;
}
.hero-blob--sky {
  background: var(--sky);
  bottom: -160px; left: -100px;
  animation-delay: -4s;
}
.hero-blob--cream {
  background: var(--cream);
  top: 30%; right: 20%;
  width: 320px; height: 320px;
  opacity: 0.35;
  animation-delay: -7s;
}

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(20px, -30px) scale(1.05); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(100, 68, 104, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(100, 68, 104, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4rem 6rem;
}

.hero-title {
  margin-top: 1.25rem;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hero-line { display: block; }
.hero-line--accent {
  background: linear-gradient(105deg, var(--primary) 0%, var(--coral-600) 50%, var(--sky-600) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 1.5rem;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: var(--ink-muted);
  max-width: 56ch;
}
.hero-sub strong { color: var(--ink); font-weight: 600; }

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 540px;
}
.hero-stats li {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}
.stat-num {
  display: block;
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.stat-num small {
  font-size: 0.55em;
  font-weight: 500;
  color: var(--ink-muted);
  margin-left: 2px;
}
.stat-label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
}
.hero-card {
  width: min(420px, 100%);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.55) 100%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(235, 157, 155, 0.25), transparent 35%),
    radial-gradient(circle at 70% 70%, rgba(140, 207, 247, 0.3), transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(221, 207, 165, 0.3), transparent 40%);
  z-index: 0;
}
.hero-cell {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  animation: float-slow 9s ease-in-out infinite;
  z-index: 1;
}
.hero-cell::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.35), transparent 30%);
}
.hero-cell--coral {
  width: 55%; height: 55%;
  background: linear-gradient(135deg, #f5b3b1 0%, var(--coral) 100%);
  top: 10%; left: 12%;
  animation-delay: 0s;
}
.hero-cell--cream {
  width: 50%; height: 50%;
  background: linear-gradient(135deg, #ead8a8 0%, var(--cream) 100%);
  bottom: 8%; left: 6%;
  animation-delay: -3s;
}
.hero-cell--sky {
  width: 48%; height: 48%;
  background: linear-gradient(135deg, #b1dffb 0%, var(--sky) 100%);
  bottom: 16%; right: 8%;
  animation-delay: -6s;
}
.hero-cell-nucleus {
  position: absolute;
  width: 35%; height: 35%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #b59cc1, #644468 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(2px);
}
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(8px, -10px); }
}

.hero-card-caption {
  position: absolute;
  bottom: 1.25rem; left: 1.25rem;
  z-index: 2;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.hero-floater {
  position: absolute;
  background: #fff;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 0.85rem;
  line-height: 1.1;
  animation: pulse-soft 4s ease-in-out infinite;
}
.hero-floater strong { display: block; color: var(--primary); font-weight: 700; font-size: 0.95rem; }
.hero-floater span   { color: var(--ink-muted); font-size: 0.72rem; }
.hero-floater--a { top: 8%; left: -10px; animation-delay: -1s; }
.hero-floater--b { bottom: 18%; right: -16px; animation-delay: -2s; }
.hero-floater--c { top: 50%; right: -8px; animation-delay: -3s; }
@keyframes pulse-soft {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.hero-scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px; height: 42px;
  border: 2px solid var(--primary);
  border-radius: 999px;
  display: grid;
  place-items: center;
}
.hero-scroll span {
  width: 3px; height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scroll-dot 1.6s ease-in-out infinite;
}
@keyframes scroll-dot {
  0%   { transform: translateY(-6px); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* =========================================================
   Trusted strip (marquee)
   ========================================================= */
.trusted {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2.5rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
  overflow: hidden;
  position: relative;
}

/* —— 标题 + 左右横线装饰 —— */
.trusted-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
}
.trusted-label-line {
  flex: 0 1 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  position: relative;
}
.trusted-label-line::after {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--coral);
  top: 50%;
  transform: translateY(-50%);
}
.trusted-label-line:first-child::after { right: 0; }
.trusted-label-line:last-child::after { left: 0; }

/* —— Marquee 容器 —— */
.trusted-marquee {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0.5rem 0;
}

/* —— 左右渐变遮罩 —— */
.trusted-fade {
  position: absolute;
  top: 0; bottom: 0;
  width: clamp(60px, 12vw, 140px);
  z-index: 2;
  pointer-events: none;
}
.trusted-fade--left {
  left: 0;
  background: linear-gradient(90deg, #ffffff, transparent);
}
.trusted-fade--right {
  right: 0;
  background: linear-gradient(270deg, var(--bg-soft), transparent);
}

/* —— 行 —— */
.trusted-row {
  display: flex;
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 6%, #000 94%, transparent 100%);
}

/* —— 跑马灯轨道 —— */
.trusted-track {
  display: flex;
  gap: 0.85rem;
  flex-shrink: 0;
  width: max-content;
  padding-right: 0.85rem;
}
.trusted-row--ltr .trusted-track {
  animation: marquee-ltr 42s linear infinite;
}
.trusted-row--rtl .trusted-track {
  animation: marquee-rtl 48s linear infinite;
}

/* 鼠标悬停时暂停 */
.trusted-marquee:hover .trusted-track {
  animation-play-state: paused;
}

@keyframes marquee-ltr {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes marquee-rtl {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* —— 药丸标签 —— */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem 0.55rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(58, 38, 76, 0.04);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, border-color 0.3s, background 0.3s;
  will-change: transform;
}
.pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -10px rgba(58, 38, 76, 0.22);
}

.pill-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  padding: 4px;
  border-radius: 50%;
  color: #fff;
  background: var(--primary);
}

.pill-cn {
  font-weight: 600;
  color: var(--ink);
}
.pill-en {
  font-size: 0.72rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  padding-left: 0.4rem;
  margin-left: 0.1rem;
  border-left: 1px solid var(--line);
}

/* —— 4 色 LOGO 循环 —— */
.pill--coral {
  border-color: var(--coral-200);
  background: linear-gradient(135deg, #fff, var(--coral-50));
}
.pill--coral .pill-icon { background: linear-gradient(135deg, var(--coral-600), var(--coral)); }
.pill--coral .pill-en { border-left-color: var(--coral-200); }

.pill--sky {
  border-color: var(--sky-200);
  background: linear-gradient(135deg, #fff, var(--sky-50));
}
.pill--sky .pill-icon { background: linear-gradient(135deg, var(--sky-600), var(--sky)); }
.pill--sky .pill-en { border-left-color: var(--sky-200); }

.pill--cream {
  border-color: var(--cream-200);
  background: linear-gradient(135deg, #fff, var(--cream-50));
}
.pill--cream .pill-icon { background: linear-gradient(135deg, var(--cream-600), var(--cream)); color: #fff; }
.pill--cream .pill-en { border-left-color: var(--cream-200); }

.pill--purple {
  border-color: var(--primary-200);
  background: linear-gradient(135deg, #fff, var(--primary-50));
}
.pill--purple .pill-icon { background: linear-gradient(135deg, var(--primary-700), var(--primary)); }
.pill--purple .pill-en { border-left-color: var(--primary-200); }

/* =========================================================
   Section header (common)
   ========================================================= */
.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral-600);
  margin-bottom: 1rem;
}
.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--coral);
  vertical-align: middle;
  margin-right: 0.7rem;
  transform: translateY(-2px);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 26ch;
}
.section-lead {
  margin-top: 1.25rem;
  font-size: 1.025rem;
  line-height: 1.7;
  color: var(--ink-muted);
  max-width: 60ch;
}
.section-lead strong { color: var(--ink); font-weight: 600; }

.section-header {
  max-width: 760px;
  margin-bottom: 3.5rem;
}

/* =========================================================
   About
   ========================================================= */
.about {
  padding: clamp(3rem, 9vw, 5rem) 0;
  background: var(--bg-soft);
  position: relative;
}
.about-text { max-width: var(--container); }
.about-pillars {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.pillar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, border-color 0.3s;
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.pillar-icon {
  width: 44px; height: 44px;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--coral-50), var(--primary-50));
  color: var(--primary);
  margin-bottom: 1rem;
}
.pillar:nth-child(2) .pillar-icon { background: linear-gradient(135deg, var(--sky-50), var(--primary-50)); }
.pillar:nth-child(3) .pillar-icon { background: linear-gradient(135deg, var(--cream-50), var(--primary-50)); }
.pillar:nth-child(4) .pillar-icon { background: linear-gradient(135deg, var(--primary-50), var(--coral-50)); }
.pillar h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.pillar p { color: var(--ink-muted); font-size: 0.93rem; line-height: 1.6; }

/* =========================================================
   Services
   ========================================================= */
.services {
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: #fff;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.service-card {
  position: relative;
  padding: 2rem 1.75rem 1.75rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-soft) 0%, #fff 60%);
  border: 1px solid var(--line);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s, border-color 0.3s, background 0.3s;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--coral-50), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-200);
  box-shadow: var(--shadow);
}
.service-card:hover::after { opacity: 1; }

.service-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  display: inline-block;
  margin-bottom: 1rem;
}
.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  position: relative;
  z-index: 1;
}
.service-card p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}
.service-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  position: relative;
  z-index: 1;
}
.service-card--wide {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--primary-50) 0%, #fff 70%);
}

/* =========================================================
   Solutions
   ========================================================= */
.solutions {
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: var(--bg-tinted);
  position: relative;
  overflow: hidden;
}
.solutions::before, .solutions::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
}
.solutions::before {
  width: 360px; height: 360px;
  background: var(--sky);
  opacity: 0.18;
  top: -120px; right: -100px;
}
.solutions::after {
  width: 400px; height: 400px;
  background: var(--coral);
  opacity: 0.18;
  bottom: -160px; left: -120px;
}
.solutions .container { position: relative; z-index: 1; }

.process-list {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  position: relative;
}
.process-step {
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  position: relative;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.process-num {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--coral-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.04em;
  display: block;
  margin-bottom: 0.75rem;
}
.process-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.process-step p {
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.results {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.result-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out);
}
.result-card:hover { transform: translateY(-4px); }
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--coral), var(--sky));
}
.result-card:nth-child(2)::before { background: linear-gradient(90deg, var(--sky), var(--cream), var(--coral)); }
.result-card:nth-child(3)::before { background: linear-gradient(90deg, var(--cream), var(--primary), var(--sky)); }
.result-card:nth-child(4)::before { background: linear-gradient(90deg, var(--coral), var(--sky), var(--cream)); }
.result-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--primary);
  line-height: 1;
}
.result-num small {
  font-size: 0.5em;
  font-weight: 500;
}
.result-card p {
  margin-top: 0.85rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.55;
}

/* =========================================================
   Downloads
   ========================================================= */
.downloads {
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}
.downloads::before {
  content: '';
  position: absolute;
  width: 360px; height: 360px;
  border-radius: 50%;
  filter: blur(90px);
  background: var(--cream);
  opacity: 0.25;
  top: -120px; left: -80px;
  z-index: 0;
}
.downloads .container { position: relative; z-index: 1; }

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.download-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.download-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--sky), var(--cream), var(--primary));
  opacity: 0.85;
}
.download-card--upcoming {
  background: linear-gradient(180deg, #fbfbfd 0%, #fff 60%);
}
.download-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--primary-200);
}

.download-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.download-icon {
  width: 48px; height: 48px;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 6px 16px -6px rgba(100, 68, 104, 0.4);
}
.download-icon--coral  { background: linear-gradient(135deg, var(--coral-600), var(--coral)); box-shadow: 0 6px 16px -6px rgba(217, 128, 126, 0.45); }
.download-icon--sky    { background: linear-gradient(135deg, var(--sky-600), var(--sky)); box-shadow: 0 6px 16px -6px rgba(93, 181, 232, 0.45); }
.download-icon--cream  { background: linear-gradient(135deg, var(--cream-600), var(--cream)); color: #fff; box-shadow: 0 6px 16px -6px rgba(192, 174, 123, 0.45); }
.download-icon--purple { background: linear-gradient(135deg, var(--primary-700), var(--primary)); box-shadow: 0 6px 16px -6px rgba(70, 50, 79, 0.45); }

.download-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.download-badge--available {
  background: linear-gradient(135deg, var(--coral-50), var(--cream-50));
  color: var(--primary);
  border: 1px solid var(--coral-200);
}
.download-badge--upcoming {
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px dashed var(--line-strong);
}

.download-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.55rem;
  color: var(--ink);
}
.download-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.download-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed var(--line);
}
.download-filetype {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--primary-50);
  color: var(--primary);
}
.download-size,
.download-date {
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.download-size::before {
  content: '·';
  margin-right: 0.4rem;
  color: var(--line-strong);
}
.download-date::before {
  content: '·';
  margin-right: 0.4rem;
  color: var(--line-strong);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  transition: transform 0.2s var(--ease-out), background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.3s;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px -6px rgba(100, 68, 104, 0.5);
}
.download-btn:hover {
  background: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -8px rgba(100, 68, 104, 0.55);
}
.download-btn:active { transform: scale(0.97); }
.download-btn--ghost {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary-200);
  box-shadow: none;
}
.download-btn--ghost:hover {
  background: var(--primary-50);
  border-color: var(--primary);
  box-shadow: 0 6px 16px -8px rgba(100, 68, 104, 0.25);
}

/* 提示条 */
.download-notice {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary-50), var(--coral-50));
  border: 1px solid var(--primary-200);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-muted);
}
.download-notice-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
}
.download-notice a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px dashed var(--primary);
  transition: color 0.2s, border-color 0.2s;
}
.download-notice a:hover {
  color: var(--coral-600);
  border-color: var(--coral-600);
}

/* =========================================================
   Molecules
   ========================================================= */
.molecules {
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: #fff;
}
.molecule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}
.molecule-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  text-align: center;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s, background 0.3s;
}
.molecule-card:hover {
  transform: translateY(-6px);
  background: #fff;
  box-shadow: var(--shadow);
}
.molecule-orb {
  width: 84px; height: 84px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  position: relative;
  filter: blur(0.5px);
  animation: float-slow 7s ease-in-out infinite;
}
.molecule-orb::after {
  content: '';
  position: absolute;
  inset: 25%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #b59cc1, #644468 70%);
  filter: blur(2px);
}
.molecule-orb--coral   { background: linear-gradient(135deg, #f5b3b1, var(--coral)); }
.molecule-orb--sky     { background: linear-gradient(135deg, #b1dffb, var(--sky)); }
.molecule-orb--cream   { background: linear-gradient(135deg, #ead8a8, var(--cream)); }
.molecule-orb--purple  { background: linear-gradient(135deg, #c9b2d2, var(--primary)); }
.molecule-orb--coral-lite { background: linear-gradient(135deg, #f8d0cf, #eeb6b4); }

.molecule-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.molecule-card p {
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 4rem;
  align-items: start;
}
.contact-list {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.contact-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--primary);
}
.contact-label {
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  font-weight: 600;
}
.contact-value {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink);
}
.contact-value a {
  color: var(--ink);
  border-bottom: 1px dashed transparent;
  transition: border-color 0.2s, color 0.2s;
}
.contact-value a:hover { border-color: var(--primary); color: var(--primary); }

.contact-qr {
  align-self: center;
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.qr-frame {
  width: 200px;
  height: 200px;
  margin: 0 auto 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  padding: 0.65rem;
  border: 2px solid var(--primary-50);
}
.qr-frame img { width: 100%; height: 100%; object-fit: contain; }
.qr-cap {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-muted);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: #1c1422;
  color: #d6c9df;
  padding-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer-brand img {
  width: 52px; height: 52px;
  border-radius: 0.7rem;
}
.footer-name {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}
.footer-en {
  color: #8e8398;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.92rem;
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col ul li {
  margin-bottom: 0.55rem;
}
.footer-col a {
  color: #a89db0;
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--coral); }

.footer-bottom {
  padding: 1.5rem 0;
  font-size: 0.8rem;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-bottom a { color: #a89db0; }
.footer-bottom a:hover { color: #fff; }

/* =========================================================
   Reveal-on-scroll animations
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  transition-delay: calc(var(--reveal-i, 0) * 80ms);
  will-change: transform, opacity;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-blob, .hero-cell, .hero-floater, .molecule-orb { animation: none; }
  .trusted-row--ltr .trusted-track,
  .trusted-row--rtl .trusted-track { animation: none; }
  .hero-scroll span { animation: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { min-height: 380px; order: -1; }
  .hero-card { width: min(320px, 80%); }
  .hero-floater--a { left: 4%; }
  .hero-floater--c { right: 4%; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }

  .nav.is-open {
    display: block;
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1rem, 4vw, 2rem) 1.5rem;
    box-shadow: var(--shadow);
    animation: nav-slide 0.3s var(--ease-out);
  }
  .nav.is-open .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }
  .nav.is-open .nav-link {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    color: var(--ink);
    border-radius: var(--radius);
  }
  .nav.is-open .nav-link.nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }
  @keyframes nav-slide {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .service-card--wide { grid-column: span 1; }
  .contact-list { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .section-title { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .service-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .molecule-grid { grid-template-columns: repeat(2, 1fr); }
  .results { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); padding-bottom: 1rem; }
  .hero-stats li { padding: 0.75rem; }
  .stat-num { font-size: 1.3rem; }

  /* Trusted marquee on tablet */
  .trusted-label { font-size: 0.82rem; gap: 0.6rem; }
  .trusted-label-line { flex-basis: 40px; }
  .pill { padding: 0.45rem 0.8rem 0.45rem 0.65rem; font-size: 0.8rem; }
  .pill-icon { width: 18px; height: 18px; padding: 3px; }
  .pill-en { font-size: 0.65rem; padding-left: 0.3rem; }
  .trusted-row--ltr .trusted-track { animation-duration: 32s; }
  .trusted-row--rtl .trusted-track { animation-duration: 38s; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(2rem, 9vw, 2.6rem); }
  .hero-actions .btn { width: 100%; }
  .footer-cols { grid-template-columns: 1fr; }
  .molecule-grid { grid-template-columns: 1fr; }
  .results { grid-template-columns: 1fr; }

  /* Trusted marquee on phone — hide English labels to keep pills compact */
  .pill-en { display: none; }
  .pill { padding: 0.4rem 0.7rem 0.4rem 0.55rem; }
  .trusted-label { font-size: 0.75rem; }
  .trusted-label-line { flex-basis: 24px; }
  .trusted-marquee:hover .trusted-track { animation-play-state: running; }
}

/* =========================================================
   Print
   ========================================================= */
@media print {
  .site-header, .hero-scroll, .hero-floater, .trusted { display: none; }
  body { color: #000; background: #fff; }
  .hero { min-height: auto; padding: 2rem 0; }
}