/* ===========================================================
   LUMINA — 建站服务销售官网
   暗色玻璃拟态 + 荧光薄荷主色 + WebGL 粒子背景
   =========================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #06080f;
  --bg-2: #0a0e1a;
  --ink: #eaf2ff;
  --muted: #8b97b3;
  --mint: #38ffc3;
  --mint-soft: rgba(56, 255, 195, .14);
  --violet: #8f7bff;
  --line: rgba(148, 168, 210, .14);
  --glass: rgba(16, 22, 40, .55);
  --radius: 18px;
  --font-display: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  width:100%;
  max-width:100%;
  overflow-x:clip;
  overscroll-behavior-x:none;
  scroll-behavior:smooth;
}
body {
  width:100%;
  max-width:100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x:clip;
  overscroll-behavior-x:none;
  touch-action:pan-y;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--mint); color: #052018; }

h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -.01em; }

/* ---------- 背景层 ---------- */
#gl {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  transition: opacity .3s linear;
}
.noise {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  z-index: 40;
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 9s steps(6) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4%, 3%); }
  40% { transform: translate(3%, -4%); }
  60% { transform: translate(-2%, -3%); }
  80% { transform: translate(4%, 2%); }
}

main, footer { position: relative; z-index: 1; }
main { max-width:100%; }

/* ---------- Loader ---------- */
#loader {
  position: fixed; inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 22px;
  transition: opacity .7s ease, visibility .7s;
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-mark {
  font-family: var(--font-display);
  font-weight: 700; font-size: 22px;
  letter-spacing: .42em; text-indent: .42em;
  animation: loaderPulse 1.6s ease-in-out infinite;
}
@keyframes loaderPulse { 50% { opacity: .45; } }
.loader-bar {
  width: 180px; height: 2px;
  background: rgba(148, 168, 210, .18);
  border-radius: 2px; overflow: hidden;
}
.loader-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--mint), var(--violet));
  border-radius: 2px;
  transition: width .25s ease;
}
.loader-pct {
  font-size: 11px; color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: .18em;
}

/* ---------- Topbar ---------- */
#topbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 48px);
  transition: background .4s ease, backdrop-filter .4s ease, border-color .4s ease, padding .4s ease;
  border-bottom: 1px solid transparent;
}
#topbar.scrolled {
  background: rgba(6, 8, 15, .72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
  padding-top: 12px; padding-bottom: 12px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 15px;
  letter-spacing: .3em; text-indent: 0;
  color: var(--ink); text-decoration: none;
}
.brand-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint), 0 0 30px rgba(56, 255, 195, .5);
  animation: dotPulse 3s ease-in-out infinite;
}
@keyframes dotPulse { 50% { box-shadow: 0 0 5px var(--mint), 0 0 14px rgba(56,255,195,.3); } }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  position: relative;
  color: var(--muted); text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  letter-spacing: .04em;
  padding: 5px 2px;
  transition: color .25s;
}
.nav-links a:hover { color: var(--ink); }
/* 滚动跟随的选中态：高亮 + 渐变下划线 */
.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--mint), var(--violet));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .3s cubic-bezier(.22, .8, .3, 1);
}
.nav-links a.active { color: var(--ink); }
.nav-links a.active:not(.nav-cta)::after { transform: scaleX(1); }
/* Contacto 是行动按钮，不参与选中态：实心样式与选中态明确区分 */
.nav-links a.nav-cta {
  color: #052018;
  background: linear-gradient(120deg, var(--mint), #4be0ff);
  padding: 8px 18px; border-radius: 99px;
  font-weight: 600;
  box-shadow: 0 2px 16px rgba(56, 255, 195, .25);
  transition: box-shadow .25s, transform .25s;
}
.nav-links a.nav-cta:hover {
  box-shadow: 0 4px 26px rgba(56, 255, 195, .5);
  transform: translateY(-1px);
}

/* 语言切换 */
.lang-wrap { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(16, 22, 40, .5);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-body); font-size: 12.5px; font-weight: 600;
  letter-spacing: .08em;
  padding: 8px 13px; border-radius: 99px;
  cursor: pointer;
  transition: border-color .25s, background .25s;
}
.lang-btn:hover { border-color: rgba(56, 255, 195, .4); }
.lang-chevron { transition: transform .25s; opacity: .6; }
.lang-btn[aria-expanded="true"] .lang-chevron { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 150px;
  list-style: none;
  background: rgba(12, 17, 32, .92);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 6px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .5);
}
.lang-menu li {
  padding: 9px 13px;
  font-size: 13px; color: var(--muted);
  border-radius: 9px; cursor: pointer;
  transition: background .2s, color .2s;
}
.lang-menu li:hover { background: rgba(56, 255, 195, .08); color: var(--ink); }
.lang-menu li[aria-selected="true"] { color: var(--mint); }

/* ---------- 通用 ---------- */
.section {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(80px, 12vh, 150px) clamp(20px, 4vw, 48px);
}
.section-narrow { max-width: 860px; }
.section-head { text-align: center; margin-bottom: clamp(44px, 7vh, 72px); }
.section-head h2 {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 700; line-height: 1.12;
  margin-bottom: 16px;
}
.section-head p {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17.5px);
  max-width: 560px; margin: 0 auto;
}
.grad {
  background: linear-gradient(100deg, var(--mint) 10%, #7ef2ff 50%, var(--violet) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* 滚动揭示 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.22, .8, .3, 1), transform .9s cubic-bezier(.22, .8, .3, 1);
  transition-delay: var(--rd, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 14.5px; font-weight: 600;
  letter-spacing: .03em;
  padding: 15px 30px;
  border-radius: 99px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .3s ease, background .3s ease, border-color .3s;
  will-change: transform;
}
.btn svg { transition: transform .25s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: linear-gradient(120deg, var(--mint), #4be0ff);
  color: #052018;
  box-shadow: 0 4px 30px rgba(56, 255, 195, .3);
}
.btn-primary:hover { box-shadow: 0 6px 44px rgba(56, 255, 195, .5); }
.btn-ghost {
  color: var(--ink);
  border: 1px solid rgba(148, 168, 210, .35);
  background: rgba(16, 22, 40, .3);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { border-color: rgba(56, 255, 195, .5); }
.btn-whatsapp {
  border: 0;
  background: linear-gradient(120deg, #29e57a, #1fc9a0);
  color: #04170d;
  box-shadow: 0 4px 30px rgba(41, 229, 122, .3);
}
.btn-whatsapp:hover { box-shadow: 0 6px 44px rgba(41, 229, 122, .5); }
.btn-whatsapp.is-copied { box-shadow:0 6px 44px rgba(41,229,122,.62),0 0 0 3px rgba(255,255,255,.12); }
.btn-contact-copy { display:flex; flex-direction:column; align-items:flex-start; gap:3px; line-height:1; text-align:left; }
.btn-contact-copy b { font-size:13px; font-weight:700; }
.btn-contact-copy small { font-family:var(--font-body); font-size:10px; font-weight:600; letter-spacing:.04em; opacity:.72; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 120px clamp(20px, 5vw, 48px) 80px;
  z-index: 1;
}
#hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 12% 13% 8%;
  background: radial-gradient(ellipse at center, rgba(6, 8, 15, .62) 0%, rgba(6, 8, 15, .34) 48%, transparent 74%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.hero-scroll { z-index: 2; }
.hero-eyebrow {
  font-family: var(--font-display);
  font-size: clamp(10.5px, 1.2vw, 12.5px);
  font-weight: 600;
  letter-spacing: .34em; text-indent: .34em;
  color: var(--mint);
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(40px, 7.2vw, 88px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.02em;
  max-width: 15ch;
  margin: 0 auto 26px;
  text-wrap: balance;
}
.hero-sub {
  color: var(--muted);
  font-size: clamp(15px, 1.8vw, 18.5px);
  max-width: 620px;
  margin: 0 auto 42px;
  text-wrap: balance;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-scroll {
  position: absolute; bottom: 34px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-size: 10.5px; letter-spacing: .3em; text-indent: .3em;
  color: var(--muted);
  text-transform: uppercase;
  transition: opacity .4s;
}
.hero-scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--mint), transparent);
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* Hero 文字入场（loader 结束后由 JS 加 .hero-in） */
#hero .reveal { opacity: 0; transform: translateY(34px); transition-duration: 1.1s; }
body.hero-in #hero .reveal { opacity: 1; transform: none; }
body.hero-in #hero .reveal:nth-child(1) { transition-delay: .05s; }
body.hero-in #hero .reveal:nth-child(2) { transition-delay: .18s; }
body.hero-in #hero .reveal:nth-child(3) { transition-delay: .34s; }
body.hero-in #hero .reveal:nth-child(4) { transition-delay: .5s; }

/* ---------- Value ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.value-grid .vcard:nth-child(2) { --rd: .1s; }
.value-grid .vcard:nth-child(3) { --rd: .2s; }
.value-grid .vcard:nth-child(4) { --rd: .3s; }
.vcard {
  padding: 30px 26px;
  transition: opacity .9s cubic-bezier(.22,.8,.3,1), transform .9s cubic-bezier(.22,.8,.3,1), border-color .3s, background .3s;
}
.vcard:hover { border-color: rgba(56, 255, 195, .35); background: rgba(20, 28, 50, .6); }
.vicon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 13px;
  background: var(--mint-soft);
  color: var(--mint);
  margin-bottom: 20px;
}
.vcard h3 { font-size: 17.5px; margin-bottom: 9px; }
.vcard p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ---------- Before / After ---------- */
.ba-stage {
  position: relative;
  container-type: inline-size;
  max-width: 980px;
  margin: 0 auto;
  aspect-ratio: 16 / 10.5;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .5);
  cursor: ew-resize;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.ba-pane { position: absolute; inset: 0; }

/* 旧网站拟物 */
.ba-old { background: #d4d0c8; }
.old-site { display: flex; flex-direction: column; height: 100%; font-family: "Times New Roman", Times, serif; }
.old-titlebar {
  display: flex; align-items: center; gap: 6px;
  background: linear-gradient(#5a7edc, #3b5cb8);
  padding: 7px 12px;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: 11px; color: #fff;
}
.old-dot { width: 10px; height: 10px; border-radius: 2px; background: #c3cbe0; border: 1px solid #8895b8; }
.old-url {
  flex: 1;
  background: #fff; color: #333;
  border: 1px inset #999;
  padding: 3px 8px; margin-left: 8px;
  font-size: 10.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.old-body {
  flex: 1;
  background: #ffffe8;
  padding: 3.2% 3.6%;
  color: #222;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.old-banner {
  text-align: center;
  font-family: "Comic Sans MS", cursive, sans-serif;
  font-size: clamp(10px, 1.7cqw, 15px);
  color: #d40000;
  background: #ffff99;
  border: 2px dashed #d40000;
  padding: .5em;
  margin-bottom: 3%;
}
.old-h1 {
  font-size: clamp(15px, 3cqw, 28px);
  color: #000080;
  text-decoration: underline;
  text-align: center;
  margin-bottom: 1.5%;
}
.old-blink {
  text-align: center;
  color: #ff00ff;
  font-weight: bold;
  font-size: clamp(9px, 1.6cqw, 14px);
  animation: oldBlink 1s steps(2) infinite;
  margin-bottom: 3%;
}
@keyframes oldBlink { 50% { opacity: 0; } }
.old-cols { display: flex; gap: 4%; flex: 1; min-height: 0; }
.old-menu { width: 27%; }
.old-menu-item {
  background: #c0c0c0;
  border: 2px outset #fff;
  padding: 4% 6%;
  margin-bottom: 5%;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: clamp(8px, 1.35cqw, 12px);
  color: #000080;
  cursor: pointer;
}
.old-content { flex: 1; font-size: clamp(9px, 1.5cqw, 14px); line-height: 1.5; }
.old-content p { margin-bottom: 3%; }
.old-img {
  background: #ddd;
  border: 1px solid #999;
  color: #777;
  text-align: center;
  padding: 7% 2%;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: clamp(8px, 1.3cqw, 12px);
  margin-bottom: 4%;
}
.old-small { color: #888; font-size: clamp(8px, 1.2cqw, 11px); }
.old-footer {
  display: flex; justify-content: space-between; gap: 8px;
  border-top: 1px solid #aaa;
  padding-top: 2%;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: clamp(7.5px, 1.15cqw, 11px);
  color: #555;
}
.old-counter { background: #000; color: #0f0; padding: 1px 6px; font-family: "Courier New", monospace; }

/* 新网站拟物：高级餐厅 — 暗色 + 金色 + 全幅摄影 + 衬线排版 */
.ba-new {
  clip-path: inset(0 0 0 50%);
  background: #0d0a08;
}
.new-site { position: relative; height: 100%; overflow: hidden; }
.new-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.05) brightness(.92);
}
.new-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(10, 7, 5, .55) 0%, rgba(10, 7, 5, .25) 30%, rgba(10, 7, 5, .38) 62%, rgba(8, 5, 4, .88) 100%),
    radial-gradient(90% 60% at 50% 42%, transparent 30%, rgba(8, 5, 4, .34) 100%);
}
.new-inner {
  position: relative;
  height: 100%;
  display: flex; flex-direction: column;
  padding: 3% 4.5% 3.4%;
  color: #f5eee3;
}
.new-gold { color: #dcb877; }
.new-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 2%;
}
.new-logo {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600; font-style: italic;
  font-size: clamp(11px, 1.9cqw, 19px);
  color: #f0e6d4;
  letter-spacing: .04em;
}
.new-links { display: flex; align-items: center; gap: 1.6em; white-space: nowrap; }
.new-links i {
  font-style: normal;
  font-family: var(--font-body);
  font-size: clamp(8px, 1.15cqw, 11.5px);
  letter-spacing: .08em;
  color: rgba(240, 230, 212, .75);
}
.new-navbtn {
  font-family: var(--font-body);
  font-size: clamp(8px, 1.15cqw, 11.5px);
  font-weight: 600;
  letter-spacing: .06em;
  color: #1c1206;
  background: linear-gradient(120deg, #e9cd93, #c9a35c);
  border-radius: 99px;
  padding: .55em 1.3em;
  box-shadow: 0 3px 18px rgba(201, 163, 92, .4);
}
.new-hero {
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center;
  min-height: 0;
}
.new-eyebrow {
  font-family: var(--font-body);
  font-size: clamp(6.5px, 1cqw, 10px);
  font-weight: 600;
  letter-spacing: .34em; text-indent: .34em;
  color: #dcb877;
  margin-bottom: 2.6%;
}
.new-title {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-size: clamp(18px, 3.9cqw, 40px);
  line-height: 1.14;
  letter-spacing: .01em;
  margin-bottom: 3.6%;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .55);
}
.new-title em {
  font-style: italic;
  background: linear-gradient(100deg, #ecd29a, #c9a35c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.new-cta-row { display: flex; gap: .9em; align-items: center; justify-content: center; }
.new-btn, .new-btn2 { white-space: nowrap; }
.new-btn {
  font-family: var(--font-body);
  font-size: clamp(8px, 1.25cqw, 12.5px);
  font-weight: 600;
  letter-spacing: .04em;
  color: #1c1206;
  background: linear-gradient(120deg, #ecd29a, #c9a35c);
  border-radius: 99px;
  padding: .75em 1.7em;
  box-shadow: 0 4px 26px rgba(201, 163, 92, .45);
}
.new-btn2 {
  font-style: normal;
  font-family: var(--font-body);
  font-size: clamp(8px, 1.25cqw, 12.5px);
  letter-spacing: .04em;
  color: #f0e6d4;
  border: 1px solid rgba(236, 210, 154, .55);
  border-radius: 99px;
  padding: .75em 1.7em;
  background: rgba(12, 8, 5, .25);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
/* 招牌菜 */
.new-dishes {
  display: flex; gap: 2.4%;
  justify-content: center;
}
.new-dish {
  flex: 1; max-width: 31%;
  margin: 0;
  background: rgba(14, 10, 7, .55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(236, 210, 154, .22);
  border-radius: 10px;
  padding: 2.2%;
  display: flex; align-items: center; gap: 6%;
}
.new-dish img {
  width: clamp(26px, 5.4cqw, 54px);
  height: clamp(26px, 5.4cqw, 54px);
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(236, 210, 154, .5);
  box-shadow: 0 3px 14px rgba(0, 0, 0, .5);
  flex: 0 0 auto;
}
.new-dish figcaption { display: flex; flex-direction: column; gap: .15em; min-width: 0; }
.new-dish span {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: clamp(7.5px, 1.2cqw, 12px);
  color: #f0e6d4;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.new-dish b {
  font-family: var(--font-body);
  font-size: clamp(7px, 1.05cqw, 10.5px);
  font-weight: 600;
  color: #dcb877;
}

/* 分隔手柄 */
.ba-handle {
  position: absolute; top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--mint) 20%, var(--mint) 80%, transparent);
  box-shadow: 0 0 18px rgba(56, 255, 195, .55);
  transform: translateX(-1px);
  pointer-events: none;
}
.ba-grip {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(9, 13, 24, .85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1.5px solid var(--mint);
  color: var(--mint);
  display: grid; place-items: center;
  box-shadow: 0 0 24px rgba(56, 255, 195, .35);
}
.ba-stage:active .ba-grip { transform: translate(-50%, -50%) scale(1.12); }
/* 卡上身份标识：左 = 改造前 / 右 = 新设计 */
.ba-badge {
  position: absolute;
  top: 12%;
  font-family: var(--font-display);
  font-size: clamp(8px, 1.15cqw, 11px);
  font-weight: 700;
  letter-spacing: .18em; text-indent: .18em;
  padding: .8em 1.5em;
  border-radius: 99px;
  pointer-events: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  white-space: nowrap;
}
.ba-badge-before {
  left: 3%;
  background: rgba(20, 20, 20, .68);
  color: #ffb3a7;
  border: 1px solid rgba(255, 140, 120, .45);
}
.ba-badge-after {
  right: 3%;
  background: rgba(5, 26, 19, .62);
  color: var(--mint);
  border: 1px solid rgba(56, 255, 195, .5);
  box-shadow: 0 0 22px rgba(56, 255, 195, .25);
}

/* ---------- Work ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  perspective: 1200px;
}
.work-grid .wcard:nth-child(2) { --rd: .12s; }
.work-grid .wcard:nth-child(3) { --rd: .24s; }
.wcard { border-radius: var(--radius); }
.wcard-inner {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: border-color .3s, box-shadow .3s;
  transform-style: preserve-3d;
  height: 100%;
  display: flex; flex-direction: column;
}
.wcard:hover .wcard-inner { border-color: rgba(56, 255, 195, .3); box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.tilt { transform-style: preserve-3d; will-change: transform; }
.wcard-art {
  aspect-ratio: 4 / 2.9;
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.wcard[data-hue="mint"] .wcard-art { background: radial-gradient(130% 110% at 25% 15%, rgba(56, 255, 195, .2), transparent 55%), linear-gradient(160deg, #0c1524, #081019); }
.wcard[data-hue="violet"] .wcard-art { background: radial-gradient(130% 110% at 75% 15%, rgba(143, 123, 255, .24), transparent 55%), linear-gradient(160deg, #100d24, #0a0818); }
.wcard[data-hue="amber"] .wcard-art { background: radial-gradient(130% 110% at 50% 0%, rgba(255, 190, 90, .14), transparent 55%), linear-gradient(160deg, #171126, #0b0916); }

/* 骨架浏览器 */
.wcard-browser {
  width: 72%;
  border-radius: 10px;
  background: rgba(13, 19, 36, .85);
  border: 1px solid rgba(148, 168, 210, .18);
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .4);
  transform: translateZ(30px);
}
.wb-bar {
  display: flex; gap: 5px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(148, 168, 210, .12);
}
.wb-bar span { width: 7px; height: 7px; border-radius: 50%; background: rgba(148, 168, 210, .3); }
.wb-body { padding: 14px 14px 18px; }
.wb-hero {
  height: 42px; border-radius: 7px;
  margin-bottom: 10px;
  background: linear-gradient(110deg, rgba(143, 123, 255, .3), rgba(56, 255, 195, .18));
  position: relative; overflow: hidden;
}
.wb-line {
  height: 8px; border-radius: 4px;
  background: rgba(148, 168, 210, .18);
  margin-bottom: 8px;
  position: relative; overflow: hidden;
}
.wb-line.w60 { width: 60%; } .wb-line.w75 { width: 75%; } .wb-line.w80 { width: 80%; } .wb-line.w90 { width: 90%; } .wb-line.w50 { width: 50%; }
.wb-blocks { display: flex; gap: 8px; margin-top: 12px; }
.wb-blocks i {
  flex: 1; height: 30px; border-radius: 6px;
  background: rgba(56, 255, 195, .12);
  position: relative; overflow: hidden;
}
/* 微光扫过 */
.wb-hero::after, .wb-line::after, .wb-blocks i::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, .08) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shimmer 2.6s ease-in-out infinite;
}
@keyframes shimmer { 60%, 100% { transform: translateX(100%); } }

.wcard-meta {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
}
.wcard-tag {
  font-family: var(--font-display);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: .2em; text-indent: .2em;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 6px 13px;
  border-radius: 99px;
}
.wcard-art-slot {
  flex-direction: column;
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 26px;
  aspect-ratio: auto;
  flex: 1;
}
.wcard-slot .wcard-inner { border-style: dashed; border-color: rgba(148, 168, 210, .3); }
.wcard-slot:hover .wcard-inner { border-color: rgba(56, 255, 195, .5); }
.slot-plus {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1.5px dashed rgba(56, 255, 195, .5);
  color: var(--mint);
  font-size: 26px; font-weight: 300;
  display: grid; place-items: center;
  margin-bottom: 6px;
  transition: transform .35s ease, background .35s;
}
.wcard-slot:hover .slot-plus { transform: rotate(90deg); background: var(--mint-soft); }
.wcard-art-slot h3 { font-size: 18px; }
.wcard-art-slot p { font-size: 13.5px; color: var(--muted); max-width: 30ch; }

/* ---------- Process ---------- */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.steps .step:nth-child(3) { --rd: .1s; }
.steps .step:nth-child(4) { --rd: .2s; }
.steps .step:nth-child(5) { --rd: .3s; }
.steps-line {
  position: absolute;
  top: 21px; left: 3%; right: 3%;
  height: 1.5px;
  background: rgba(148, 168, 210, .15);
  overflow: hidden;
}
.steps-line i {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--mint), var(--violet));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s cubic-bezier(.22, .8, .3, 1) .2s;
}
.steps.in .steps-line i { transform: scaleX(1); }
.step { position: relative; padding-top: 62px; }
.step-num {
  position: absolute; top: 0; left: 0;
  width: 43px; height: 43px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1.5px solid rgba(56, 255, 195, .45);
  color: var(--mint);
  font-family: var(--font-display);
  font-size: 13px; font-weight: 700;
  box-shadow: 0 0 0 6px var(--bg);
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- Pricing ---------- */
.price-wrap {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  max-width: 940px;
  margin: 0 auto;
  align-items: stretch;
}
@property --pangle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
.price-card {
  position: relative;
  border-radius: 24px;
  padding: 40px 38px;
  background: linear-gradient(170deg, rgba(18, 26, 46, .92), rgba(10, 14, 26, .92));
  overflow: hidden;
  isolation: isolate;
}
.price-card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 24px;
  padding: 1.5px;
  background: conic-gradient(from var(--pangle), transparent 0%, var(--mint) 12%, transparent 30%, transparent 55%, var(--violet) 70%, transparent 85%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderSpin 5s linear infinite;
  z-index: -1;
}
@keyframes borderSpin { to { --pangle: 360deg; } }
.price-card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 24px;
  border: 1px solid rgba(56, 255, 195, .18);
  pointer-events: none;
}
.price-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px; font-weight: 700;
  letter-spacing: .26em; text-indent: .26em;
  color: #052018;
  background: linear-gradient(110deg, var(--mint), #4be0ff);
  padding: 7px 15px;
  border-radius: 99px;
  margin-bottom: 26px;
}
.price-amount {
  display: flex; align-items: flex-start;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
}
.price-stage { display:flex; align-items:flex-start; gap:clamp(14px,2.4vw,26px); margin-bottom:18px; }
.price-original-wrap { width: fit-content; position: relative; transition: opacity .6s ease, transform .7s cubic-bezier(.22,.8,.3,1); }
.price-original-wrap::after {
  content:""; position:absolute; z-index:2; left:-3%; right:-7%; top:44%; height:3px;
  border-radius:99px; background:linear-gradient(90deg,#ff6a84,#ffaf68);
  box-shadow:0 0 14px rgba(255,106,132,.58); transform:scaleX(0) rotate(-5deg);
  transform-origin:left; transition:transform .65s cubic-bezier(.22,.8,.3,1) .12s;
}
.price-cur { font-size: 18px; margin-top: 5px; color: var(--mint); }
.price-num {
  font-size: clamp(38px, 4.4vw, 50px);
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.price-original-label { display:block; margin:5px 0 0 3px; color:#78859f; font-size:10px; letter-spacing:.15em; text-transform:uppercase; }
/* 入场只用淡入+位移，不做裁剪式揭示——光晕从第一帧起就完整 */
.price-promo { flex:0 0 auto; width:132px; opacity:0; transform:translateX(-16px) scale(.96); transform-origin:left top; transition:opacity .45s ease .08s, transform .6s cubic-bezier(.22,.8,.3,1) .05s; }
.price-promo-label { display:flex; align-items:center; gap:7px; margin-top:5px; color:#9fffe4; font-family:var(--font-display); font-size:8px; line-height:1.3; font-weight:700; letter-spacing:.12em; white-space:nowrap; }
.price-promo-label i { width:7px; height:7px; border-radius:50%; background:var(--mint); box-shadow:0 0 12px var(--mint); animation:promoPulse 1.7s ease-in-out infinite; }
.price-promo-amount { display:flex; align-items:flex-start; width:fit-content; font-family:var(--font-display); font-weight:700; line-height:.9; color:#f3f7ff; }
.price-promo-amount span { margin:6px 3px 0 0; color:var(--mint); font-size:19px; }
.price-promo-amount strong { font-size:clamp(43px,4.8vw,56px); letter-spacing:-.045em; }
.price-card.promo-active .price-original-wrap { opacity:.5; transform:translateY(-2px) scale(.94); transform-origin:left; }
.price-card.price-striking .price-original-wrap::after,
.price-card.promo-active .price-original-wrap::after { transform:scaleX(1) rotate(-5deg); }
.price-card.promo-active .price-promo { opacity:1; transform:none; }
@keyframes promoPulse { 50% { opacity:.45; transform:scale(.72); } }
.price-period {
  color: var(--muted);
  font-size: 11px;
  margin: 4px 0 0 14px;
}
.price-custom-proof {
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:center;
  gap:13px;
  margin-bottom:26px;
  padding:12px 15px;
  overflow:hidden;
  border:1px solid rgba(56,255,195,.28);
  border-radius:14px;
  background:linear-gradient(110deg,rgba(56,255,195,.11),rgba(75,224,255,.035) 58%,rgba(143,123,255,.08));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035),0 12px 32px rgba(0,0,0,.13);
}
.price-custom-proof::after { content:""; position:absolute; top:-80%; left:-25%; width:30%; height:260%; background:linear-gradient(90deg,transparent,rgba(255,255,255,.09),transparent); transform:rotate(18deg); animation:customProofShine 5.4s ease-in-out infinite; pointer-events:none; }
.price-custom-mark { color:var(--mint); font:700 20px/1 var(--font-display); letter-spacing:-.045em; text-shadow:0 0 18px rgba(56,255,195,.3); }
.price-custom-copy { min-width:0; display:flex; flex-direction:column; gap:4px; padding-left:13px; border-left:1px solid rgba(56,255,195,.2); }
.price-custom-copy strong { color:#e8fff8; font:700 9px/1.2 var(--font-display); letter-spacing:.15em; }
.price-custom-copy small { color:#94a5bd; font-size:11px; line-height:1.45; }
@keyframes customProofShine { 0%,62% { transform:translateX(0) rotate(18deg); opacity:0; } 68% { opacity:1; } 82%,100% { transform:translateX(520%) rotate(18deg); opacity:0; } }
.price-list { list-style: none; margin-bottom: 34px; }
.price-list li {
  display: flex; align-items: center; gap: 13px;
  padding: 9.5px 0;
  font-size: 14.5px;
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity .6s ease, transform .6s ease;
}
.price-card.in .price-list li { opacity: 1; transform: none; }
.price-card.in .price-list li:nth-child(1) { transition-delay: .25s; }
.price-card.in .price-list li:nth-child(2) { transition-delay: .4s; }
.price-card.in .price-list li:nth-child(3) { transition-delay: .55s; }
.price-card.in .price-list li:nth-child(4) { transition-delay: .7s; }
.price-card.in .price-list li:nth-child(5) { transition-delay: .85s; }
.price-card.in .price-list li:nth-child(6) { transition-delay: 1s; }
.price-card.in .price-list li:nth-child(7) { transition-delay: 1.15s; }
.pcheck {
  flex: 0 0 auto;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: var(--mint-soft);
  border: 1px solid rgba(56, 255, 195, .5);
  position: relative;
}
.pcheck::after {
  content: "";
  position: absolute;
  left: 6.5px; top: 4.5px;
  width: 5px; height: 8.5px;
  border-right: 1.8px solid var(--mint);
  border-bottom: 1.8px solid var(--mint);
  transform: rotate(42deg);
}
.price-side { display: flex; flex-direction: column; gap: 22px; }
.price-boundary { max-width:940px; margin:20px auto 0; padding:18px 22px; display:grid; grid-template-columns:.34fr .66fr; gap:24px; align-items:start; }
.price-boundary > span { color:var(--mint); font-family:var(--font-display); font-size:10px; font-weight:700; letter-spacing:.16em; line-height:1.5; }
.price-boundary p { color:var(--muted); font-size:12px; line-height:1.65; }
.price-side .glass { padding: 30px 28px; flex: 1; }
.price-after { --rd: .15s; }
.price-compare { --rd: .3s; }
.pa-amount {
  font-family: var(--font-display);
  font-size: 40px; font-weight: 700;
  color: var(--ink);
}
.pa-amount span { font-size: 17px; color: var(--muted); font-weight: 500; }
.pa-label {
  font-family: var(--font-display);
  color: var(--mint);
  font-size: 12.5px; font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: 6px 0 12px;
}
.price-after p, .price-compare p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.price-compare h4 { font-size: 16px; margin-bottom: 10px; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 13px; }
.faq-item { overflow: hidden; transition: opacity .9s cubic-bezier(.22,.8,.3,1), transform .9s cubic-bezier(.22,.8,.3,1), border-color .3s; }
.faq-item:hover { border-color: rgba(56, 255, 195, .3); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: none; border: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px; font-weight: 600;
  text-align: left;
  padding: 21px 24px;
  cursor: pointer;
}
.faq-plus {
  flex: 0 0 auto;
  position: relative;
  width: 15px; height: 15px;
}
.faq-plus::before, .faq-plus::after {
  content: "";
  position: absolute;
  background: var(--mint);
  border-radius: 2px;
  transition: transform .35s ease;
}
.faq-plus::before { left: 0; right: 0; top: 6.5px; height: 2px; }
.faq-plus::after { top: 0; bottom: 0; left: 6.5px; width: 2px; }
.faq-item.open .faq-plus::after { transform: scaleY(0); }
.faq-item.open .faq-plus::before { transform: rotate(180deg); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .45s cubic-bezier(.22, .8, .3, 1);
}
.faq-a p {
  overflow: hidden;
  min-height: 0;
  color: var(--muted);
  font-size: 14.5px;
  padding: 0 24px;
  transition: padding .45s;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a p { padding-bottom: 22px; }

/* ---------- Contact ---------- */
.section-contact {
  text-align: center;
  padding-top: clamp(100px, 16vh, 180px);
  padding-bottom: clamp(100px, 16vh, 180px);
}
.contact-glow {
  position: absolute;
  left: 50%; top: 50%;
  width: min(760px, 90vw); height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(56, 255, 195, .13), transparent 70%);
  pointer-events: none;
}
.section-contact h2 {
  font-size: clamp(34px, 5.6vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 18px;
  position: relative;
}
.contact-sub { color: var(--muted); font-size: clamp(15px, 1.7vw, 18px); margin-bottom: 44px; position: relative; }
.contact-ctas {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
  position: relative;
}

/* ---------- Floating contact modal ---------- */
.sr-only { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }
body.modal-open { overflow:hidden; }
.contact-fab { position:fixed; z-index:900; right:24px; bottom:24px; display:flex; align-items:center; gap:11px; padding:13px 18px 13px 13px; border:1px solid rgba(255,255,255,.22); border-radius:999px; color:#06120f; background:linear-gradient(110deg,var(--mint),#4be0ff); box-shadow:0 16px 45px rgba(0,0,0,.4),0 0 34px rgba(56,255,195,.2); font:700 12px/1 var(--font-display); cursor:pointer; transition:transform .3s,box-shadow .3s; }
.contact-fab::before { content:""; position:absolute; inset:-5px; z-index:-1; border:1px solid rgba(56,255,195,.18); border-radius:inherit; animation:contactFabPulse 2.5s ease-out infinite; }
.contact-fab:hover { transform:translateY(-3px); box-shadow:0 20px 55px rgba(0,0,0,.45),0 0 42px rgba(56,255,195,.3); }
.contact-fab-icon { position:relative; width:28px; height:28px; border-radius:50%; background:rgba(4,21,16,.12); }
.contact-fab-icon::before { content:""; position:absolute; inset:6px 5px 7px; border:1.7px solid #082018; border-radius:8px; }
.contact-fab-icon::after { content:""; position:absolute; left:8px; bottom:5px; width:6px; height:6px; border-left:1.7px solid #082018; transform:skewY(-35deg); }
.contact-fab-icon i { position:absolute; z-index:2; left:9px; top:12px; width:3px; height:3px; border-radius:50%; background:#082018; box-shadow:5px 0 #082018,10px 0 #082018; }
@keyframes contactFabPulse { 0% { opacity:.85; transform:scale(.96); } 70%,100% { opacity:0; transform:scale(1.12); } }
.contact-modal[hidden] { display:none; }
.contact-modal { position:fixed; z-index:1000; inset:0; display:grid; place-items:center; padding:16px; }
.contact-modal-backdrop { position:absolute; inset:0; opacity:0; background:rgba(2,5,11,.74); backdrop-filter:blur(15px); transition:opacity .28s ease; }
.contact-modal-panel { position:relative; width:min(540px,100%); max-height:calc(100svh - 32px); overflow:auto; opacity:0; transform:translateY(24px) scale(.975); padding:38px; border:1px solid rgba(143,123,255,.32); border-radius:28px; background:radial-gradient(circle at 100% 0,rgba(56,255,195,.1),transparent 34%),linear-gradient(155deg,#11182a,#080c16 70%); box-shadow:0 42px 120px rgba(0,0,0,.62); transition:opacity .28s ease,transform .36s cubic-bezier(.22,.8,.3,1); }
.contact-modal.is-open .contact-modal-backdrop { opacity:1; }
.contact-modal.is-open .contact-modal-panel { opacity:1; transform:none; }
.contact-modal-close { position:absolute; top:15px; right:15px; width:36px; height:36px; border:1px solid var(--line); border-radius:50%; color:#aab6cc; background:rgba(255,255,255,.025); font:300 23px/1 var(--font-body); cursor:pointer; transition:color .25s,border-color .25s,transform .25s; }
.contact-modal-close:hover { color:var(--ink); border-color:rgba(56,255,195,.35); transform:rotate(6deg); }
.contact-modal-kicker { margin-bottom:14px; color:var(--mint); font:700 9px/1.4 var(--font-display); letter-spacing:.22em; }
.contact-modal-panel h2 { width:100%; max-width:none; margin-bottom:13px; font-size:clamp(30px,5vw,43px); line-height:1.03; letter-spacing:-.035em; }
.contact-modal-sub { width:100%; max-width:none; margin-bottom:27px; color:var(--muted); font-size:13px; line-height:1.6; }
.contact-form { display:flex; flex-direction:column; gap:16px; }
.contact-field { display:flex; flex-direction:column; gap:8px; }
.contact-field > span { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.contact-field b { color:#dbe4f4; font-size:11px; font-weight:600; }
.contact-field em { color:#697791; font-size:9px; font-style:normal; letter-spacing:.08em; text-transform:uppercase; }
.contact-field input,.contact-field textarea { width:100%; border:1px solid rgba(148,168,210,.18); border-radius:12px; outline:0; color:var(--ink); background:rgba(4,8,16,.62); padding:13px 14px; font:400 14px/1.45 var(--font-body); transition:border-color .25s,box-shadow .25s,background .25s; }
.contact-field textarea { min-height:104px; resize:vertical; }
.contact-field input::placeholder,.contact-field textarea::placeholder { color:#56627a; }
.contact-field input:focus,.contact-field textarea:focus { border-color:rgba(56,255,195,.62); background:rgba(5,12,20,.9); box-shadow:0 0 0 3px rgba(56,255,195,.07); }
.contact-submit { display:flex; align-items:center; justify-content:center; gap:13px; margin-top:3px; padding:15px 19px; border:0; border-radius:12px; color:#06130f; background:linear-gradient(110deg,var(--mint),#4be0ff); box-shadow:0 12px 30px rgba(56,255,195,.16); font:700 12px/1 var(--font-display); cursor:pointer; transition:transform .25s,box-shadow .25s; }
.contact-submit:hover { transform:translateY(-2px); box-shadow:0 16px 38px rgba(56,255,195,.24); }
.contact-submit i { font-size:18px; font-style:normal; font-weight:400; }
.contact-form-note,.contact-form-pending { color:#65728a; font-size:9.5px; line-height:1.5; text-align:center; }
.contact-form-pending { padding:10px 12px; border:1px solid rgba(56,255,195,.18); border-radius:10px; color:#9fd9c8; background:rgba(56,255,195,.05); }
.contact-form-pending.is-error { border-color:rgba(255,140,120,.3); color:#ffb3a7; background:rgba(255,140,120,.06); }
/* 蜜罐字段：对人不可见不可达，机器人会盲填 */
.contact-hp { position:absolute; left:-9999px; top:-9999px; opacity:0; pointer-events:none; }
.contact-submit.is-sending { opacity:.6; pointer-events:none; }

/* 提交成功对话框（与表单面板同风格，互换显示） */
.contact-success-panel {
  width: min(420px, 100%);
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 44px 34px 38px;
}
/* display:flex 会覆盖 hidden 属性的 display:none——这里强制夺回 */
.contact-success-panel[hidden] { display: none !important; }
.success-mark {
  width: 66px; height: 66px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #052018;
  background: linear-gradient(120deg, var(--mint), #4be0ff);
  box-shadow: 0 0 36px rgba(56, 255, 195, .45);
  margin-bottom: 20px;
  animation: successPop .55s cubic-bezier(.22, .8, .3, 1);
}
@keyframes successPop { from { transform: scale(.3); opacity: 0; } }
.contact-success-panel h2 { font-size: clamp(26px, 4.2vw, 34px); margin-bottom: 10px; letter-spacing: -.02em; }
.contact-success-sub { color: var(--muted); font-size: 14.5px; line-height: 1.6; max-width: 34ch; margin-bottom: 28px; }
.contact-success-ok { min-width: 150px; }
.contact-direct { margin-top:24px; }
.contact-direct-label { display:flex; align-items:center; gap:12px; margin-bottom:13px; color:#66738b; font:700 8px/1 var(--font-display); letter-spacing:.18em; white-space:nowrap; }
.contact-direct-label::before,.contact-direct-label::after { content:""; height:1px; flex:1; background:linear-gradient(90deg,transparent,rgba(148,168,210,.18)); }
.contact-direct-label::after { transform:scaleX(-1); }
.contact-direct-actions { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.contact-direct-card { width:100%; min-width:0; display:grid; grid-template-columns:34px minmax(0,1fr) auto; align-items:center; gap:10px; padding:12px; border:1px solid rgba(148,168,210,.17); border-radius:13px; color:var(--ink); background:rgba(4,8,16,.48); font-family:var(--font-body); text-align:left; text-decoration:none; cursor:pointer; transition:transform .25s,border-color .25s,background .25s,box-shadow .25s; }
.contact-direct-card:hover { transform:translateY(-2px); border-color:rgba(56,255,195,.42); background:rgba(10,20,28,.78); box-shadow:0 12px 30px rgba(0,0,0,.2); }
.contact-direct-card.is-copied { border-color:rgba(56,255,195,.58); background:rgba(56,255,195,.08); box-shadow:0 0 0 3px rgba(56,255,195,.05); }
.contact-direct-icon { display:grid; place-items:center; width:34px; height:34px; color:var(--mint); }
.contact-direct-icon svg { width:22px; height:22px; }
.contact-direct-email .contact-direct-icon { color:#c9c0ff; }
.contact-direct-email .contact-direct-icon svg { width:21px; height:21px; }
.contact-direct-copy { min-width:0; display:flex; flex-direction:column; gap:4px; }
.contact-direct-copy b { overflow:hidden; color:#dfe8f7; font-size:10px; font-weight:650; text-overflow:ellipsis; white-space:nowrap; }
.contact-direct-copy small { overflow:hidden; color:#73819b; font-size:8.5px; text-overflow:ellipsis; white-space:nowrap; }
.contact-direct-card > i { color:#71809a; font-size:14px; font-style:normal; }
.contact-direct-card.is-copied > i { color:var(--mint); }
.contact-whatsapp-hint { margin:10px 2px 0; color:#6f7d95; font-size:9px; line-height:1.5; }
.copy-toast[hidden] { display:none; }
.copy-toast { position:fixed; z-index:1200; top:22px; left:50%; display:flex; align-items:center; gap:11px; width:max-content; max-width:calc(100vw - 28px); padding:13px 17px; border:1px solid rgba(56,255,195,.38); border-radius:14px; color:#dffcf3; background:rgba(8,18,20,.94); box-shadow:0 18px 54px rgba(0,0,0,.42),0 0 28px rgba(56,255,195,.1); -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px); font-size:12px; line-height:1.4; opacity:0; transform:translate(-50%,-12px) scale(.98); transition:opacity .24s ease,transform .28s cubic-bezier(.22,.8,.3,1); }
.copy-toast.is-visible { opacity:1; transform:translate(-50%,0) scale(1); }
.copy-toast-icon { flex:0 0 auto; display:grid; place-items:center; width:23px; height:23px; border-radius:50%; color:#052018; background:var(--mint); font-size:13px; font-weight:800; box-shadow:0 0 18px rgba(56,255,195,.3); }

/* ---------- Footer ---------- */
footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px clamp(20px, 4vw, 48px) 44px;
  border-top: 1px solid var(--line);
}
.foot-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.foot-tag { color: var(--muted); font-size: 13px; }
.foot-right { color: var(--muted); font-size: 12.5px; }
.foot-link {
  color: #8fc9ff;
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 201, 255, .35);
  transition: color .2s, border-color .2s;
}
.foot-link:hover { color: #cfe7ff; border-bottom-color: rgba(207, 231, 255, .6); }

/* ---------- Trust ribbon ---------- */
.section-kicker {
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .28em;
  text-indent: .28em;
  color: var(--mint);
  margin-bottom: 18px;
}
.trust-ribbon {
  position: relative;
  z-index: 2;
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 12, 23, .76);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.trust-track {
  width: max-content;
  display: flex;
  align-items: center;
  animation: trustMove 30s linear infinite;
}
.trust-track span {
  display: flex; align-items: center; gap: 14px;
  padding: 17px 38px;
  white-space: nowrap;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #a8b5cf;
}
.trust-track span i { width: 5px; height: 5px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
.trust-track span b { font-weight: 600; }
@keyframes trustMove { to { transform: translateX(-50%); } }

/* ---------- Concept showcase ---------- */
.concept-scroll { position:relative; height:185vh; min-height:1320px; }
.concept-stage { position:-webkit-sticky; position:sticky; top:88px; height:calc(100vh - 112px); min-height:530px; }
.concept-stack { position:relative; height:100%; perspective:1200px; }
.concept-progress { position:absolute; z-index:8; top:18px; right:-34px; height:calc(100% - 36px); display:flex; flex-direction:column; align-items:center; gap:14px; color:#62708b; font-family:var(--font-display); }
.concept-progress > div { display:flex; align-items:baseline; gap:3px; writing-mode:vertical-rl; }
.concept-progress b { color:var(--mint); font-size:11px; letter-spacing:.08em; }
.concept-progress span { font-size:8px; }
.concept-progress i { position:relative; width:1px; flex:1; overflow:hidden; background:rgba(148,168,210,.14); }
.concept-progress em { position:absolute; inset:0; display:block; background:linear-gradient(to bottom,var(--mint),var(--violet)); transform:scaleY(.04); transform-origin:top; will-change:transform; }
.concept {
  position:absolute;
  inset:0;
  height:100%;
  min-height: 530px;
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(10, 14, 26, .78);
  box-shadow: 0 35px 90px rgba(0, 0, 0, .25);
  opacity:0;
  pointer-events:none;
  transform:translateY(12%) scale(.975) rotateX(-1.5deg);
  filter:saturate(.65) brightness(.68);
  transition:opacity .7s ease,transform .85s cubic-bezier(.22,.8,.3,1),filter .8s ease;
  will-change:opacity,transform;
}
.concept.is-active { z-index:3; opacity:1; pointer-events:auto; transform:none; filter:none; }
.concept.is-past { z-index:1; opacity:0; transform:translateY(-9%) scale(.96) rotateX(1.5deg); }
.concept.is-next { z-index:2; }
.concept:nth-child(even) { grid-template-columns: 1.22fr .78fr; }
.concept:nth-child(even) .concept-copy { order: 2; }
.concept-copy {
  position: relative;
  padding: clamp(34px, 5vw, 64px);
  display: flex; flex-direction: column; justify-content: center;
  z-index: 2;
}
.concept-index {
  position: absolute; top: 25px; right: 30px;
  font-family: var(--font-display); font-size: 72px; font-weight: 700;
  letter-spacing: -.06em; color: rgba(234, 242, 255, .035);
}
.concept-label {
  width: fit-content;
  font-family: var(--font-display); font-size: 9px; font-weight: 700;
  letter-spacing: .17em; color: var(--mint);
  border: 1px solid rgba(56, 255, 195, .25);
  background: rgba(56, 255, 195, .06);
  border-radius: 99px; padding: 7px 11px;
  margin-bottom: 24px;
}
.concept-copy h3 { font-size: clamp(28px, 3.6vw, 48px); line-height: 1.06; margin-bottom: 18px; }
.concept-copy > p { color: var(--muted); font-size: 15px; max-width: 38ch; margin-bottom: 30px; }
.concept-points { list-style: none; display: flex; flex-wrap: wrap; gap: 9px; }
.concept-points li { font-size: 11px; color: #c7d2e7; padding: 7px 11px; border: 1px solid var(--line); border-radius: 99px; background: rgba(255,255,255,.025); }
.concept-visual { position: relative; min-height: 480px; display: grid; place-items: center; overflow: hidden; isolation: isolate; }
.concept-food .concept-visual { background: radial-gradient(circle at 35% 35%, rgba(236, 210, 154, .18), transparent 40%), #100d0a; }
.concept-beauty .concept-visual { background: radial-gradient(circle at 50% 45%, rgba(255, 182, 205, .2), transparent 48%), linear-gradient(145deg, #1a101b, #0e0c18); }
.concept-build .concept-visual { background: radial-gradient(circle at 65% 20%, rgba(255, 190, 90, .17), transparent 38%), #0b0d12; }
.device { position: relative; overflow: hidden; box-shadow: 0 30px 75px rgba(0,0,0,.5); }
.device-desktop { width: 82%; aspect-ratio: 1.45; border: 1px solid rgba(255,255,255,.16); border-radius: 13px; transform: rotate(-3deg); }
.device-bar { height: 26px; padding: 0 10px; display: flex; align-items: center; gap: 5px; color: rgba(255,255,255,.35); font-size: 7px; background: rgba(8,9,12,.86); }
.device-bar i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.26); }
.device-bar span { margin-left: auto; margin-right: auto; }
.food-ui > img { position: absolute; inset: 26px 0 0; width: 100%; height: calc(100% - 26px); object-fit: cover; }
.food-ui::after { content: ""; position: absolute; inset: 26px 0 0; background: linear-gradient(90deg, rgba(8,5,3,.85), rgba(8,5,3,.15)); }
.food-overlay { position: absolute; z-index: 2; inset: 26px 0 0; padding: 10%; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.food-overlay small { font-size: 7px; letter-spacing: .25em; color: #d6b777; margin-bottom: 10px; }
.food-overlay strong { max-width: 9ch; font-family: "Playfair Display", serif; font-size: clamp(24px, 3.8vw, 43px); line-height: .98; font-weight: 500; }
.food-overlay b { margin-top: 18px; padding: 8px 13px; border-radius: 99px; font-size: 8px; color: #1d1408; background: #e7c77f; }
.device-phone { position: absolute; right: 5%; bottom: 8%; width: 23%; aspect-ratio: .62; border: 5px solid #12141a; border-radius: 18px; background: #17110c; transform: rotate(7deg); z-index: 3; }
.food-phone img { width: 100%; height: 62%; object-fit: cover; }
.food-phone strong, .food-phone span { display: block; padding: 4px 9px 0; }
.food-phone strong { color: #e7c77f; font-size: 12px; }
.food-phone span { font-family: "Playfair Display", serif; font-size: 9px; }
.beauty-ui { padding-bottom: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(135deg,#f1dfdf,#d4b4bd); color: #26171c; transform: rotate(3deg); }
.beauty-ui .device-bar { position: absolute; inset: 0 0 auto; width: 100%; color: rgba(38,23,28,.45); background: rgba(255,255,255,.35); }
.beauty-mark { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid rgba(38,23,28,.35); border-radius: 50%; font-family: "Playfair Display",serif; font-style: italic; margin-bottom: 13px; }
.beauty-ui > small { letter-spacing: .26em; font-size: 7px; }
.beauty-ui > strong { font-family: "Playfair Display",serif; font-size: clamp(25px,4vw,44px); line-height: 1; text-align: center; font-weight: 500; margin: 16px 0 22px; }
.beauty-ui > strong em { color: #825463; }
.beauty-nav { display:flex; align-items:center; gap:18px; font-size:8px; }
.beauty-nav b { padding:7px 13px; color:#f5e7e8; background:#342027; border-radius:99px; }
.beauty-orbit { position:absolute; border:1px solid rgba(255,190,210,.16); border-radius:50%; }
.orbit-one { width:76%; aspect-ratio:1; }
.orbit-two { width:48%; aspect-ratio:1; }
.beauty-swatch { position:absolute; left:5%; bottom:8%; display:flex; gap:6px; z-index:3; }
.beauty-swatch i { width:24px; height:24px; border-radius:50%; border:2px solid rgba(255,255,255,.45); }
.beauty-swatch i:nth-child(1){background:#e7d4d4}.beauty-swatch i:nth-child(2){background:#916777}.beauty-swatch i:nth-child(3){background:#332027}
.build-gridlines { position:absolute; inset:0; opacity:.23; background-image: linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px); background-size:32px 32px; mask-image:linear-gradient(to bottom,#000,transparent); }
.build-ui { padding: 42px 7% 6%; color:#f4f1e9; background:linear-gradient(145deg,#25282d,#121419); transform:rotate(-2deg); }
.build-ui .device-bar { position:absolute; inset:0 0 auto; }
.build-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:16%; }
.build-top b { letter-spacing:.18em; color:#e9b857; }.build-top span{font-size:6px;letter-spacing:.2em;color:#a8a49c}
.build-ui > strong { display:block; font-size:clamp(23px,3.7vw,41px); line-height:1.02; max-width:14ch; }
.build-stats { display:flex; gap:12%; margin-top:13%; }
.build-stats span { display:flex; flex-direction:column; }.build-stats b{font-size:24px;color:#e9b857}.build-stats small{font-size:7px;color:#999;}

/* Editorial redesign: beauty concept */
.concept-beauty .concept-visual {
  background: radial-gradient(circle at 18% 14%, rgba(202, 166, 119, .16), transparent 34%), #071210;
}
.beauty-ui {
  display: grid;
  grid-template-columns: 56% 44%;
  align-items: stretch;
  padding: 26px 0 0;
  color: #f4ebdb;
  background: #0c2c26;
  transform: rotate(1.5deg);
}
.beauty-ui .device-bar { position: absolute; inset: 0 0 auto; width: 100%; color: rgba(244,235,219,.4); background: #091612; }
.beauty-photo { position: relative; min-width: 0; overflow: hidden; }
.beauty-photo::after { content:""; position:absolute; inset:0; background:linear-gradient(to top,rgba(12,44,38,.34),transparent 48%); }
.beauty-photo img { width:100%; height:100%; object-fit:cover; object-position:55% center; filter:saturate(.72) contrast(1.04); }
.beauty-photo > span { position:absolute; z-index:2; left:14px; bottom:12px; font-size:7px; letter-spacing:.2em; color:#f4ebdb; }
.beauty-editorial { min-width:0; display:flex; flex-direction:column; justify-content:center; padding:8% 7%; background:#0c2c26; }
.beauty-brand { display:flex; flex-direction:column; gap:3px; margin-bottom:18%; }
.beauty-brand b { font-family:"Playfair Display",serif; font-size:13px; letter-spacing:.16em; }
.beauty-brand span { font-size:5.5px; letter-spacing:.2em; color:#c8b18c; }
.beauty-editorial > strong { font-family:"Playfair Display",serif; font-size:clamp(20px,3.1vw,34px); line-height:.98; font-weight:500; }
.beauty-editorial > strong em { color:#d7b987; font-weight:500; }
.beauty-editorial > p { margin:12px 0 18px; font-size:7px; line-height:1.55; color:#aabbb4; }
.beauty-nav { display:flex; align-items:center; flex-wrap:wrap; gap:10px; font-size:6px; text-transform:uppercase; letter-spacing:.1em; }
.beauty-nav b { padding:7px 10px; color:#0b211c; background:#d9bd8d; border-radius:0; }
.beauty-detail-card { position:absolute; z-index:4; right:3.5%; bottom:4%; width:18%; aspect-ratio:.69; overflow:hidden; border:4px solid #eee4d3; box-shadow:0 24px 45px rgba(0,0,0,.48); transform:rotate(-4deg); }
.beauty-detail-card img { width:100%; height:100%; object-fit:cover; }
.beauty-detail-card span { position:absolute; inset:auto 0 0; padding:8px 5px; background:rgba(8,17,15,.86); color:#ead8b7; font-size:5px; text-align:center; letter-spacing:.12em; }

/* Image-led redesign: architecture concept */
.concept-build .concept-visual { background:#c7bca9; }
.build-ui {
  padding:26px 0 0;
  color:#f7f3e9;
  background:#171916;
  transform:rotate(-1deg);
}
.build-ui .device-bar { position:absolute; inset:0 0 auto; z-index:5; width:100%; }
.build-main-img { position:absolute; inset:26px 0 0; width:100%; height:calc(100% - 26px); object-fit:cover; }
.build-shade { position:absolute; inset:26px 0 0; background:linear-gradient(90deg,rgba(9,11,10,.82),rgba(9,11,10,.14) 62%,rgba(9,11,10,.28)); }
.build-top { position:relative; z-index:2; display:flex; align-items:center; justify-content:space-between; margin:0; padding:18px 22px; }
.build-top b { letter-spacing:.22em; color:#fff; font-size:12px; }.build-top span{font-size:5.5px;letter-spacing:.16em;color:rgba(255,255,255,.7)}
.build-hero-copy { position:relative; z-index:2; display:flex; flex-direction:column; align-items:flex-start; padding:8% 7%; }
.build-hero-copy small { font-size:5.5px; letter-spacing:.2em; margin-bottom:12px; color:#d7c7a9; }
.build-hero-copy strong { display:block; max-width:12ch; font-size:clamp(22px,3.5vw,39px); line-height:.98; letter-spacing:-.03em; }
.build-hero-copy > b { margin-top:18px; padding-bottom:4px; border-bottom:1px solid rgba(255,255,255,.65); font-size:7px; letter-spacing:.12em; }
.build-project-no { position:absolute; z-index:2; right:18px; bottom:16px; display:flex; align-items:flex-end; gap:8px; }
.build-project-no span { font-size:5px; letter-spacing:.18em; writing-mode:vertical-rl; }.build-project-no b{font-size:28px;font-weight:500;line-height:.8}
.build-detail-card { position:absolute; z-index:4; right:3%; bottom:3%; width:27%; aspect-ratio:1.2; overflow:hidden; border:4px solid #e9e0d0; box-shadow:0 24px 48px rgba(0,0,0,.45); transform:rotate(3deg); }
.build-detail-card img { width:100%; height:100%; object-fit:cover; }
.build-detail-card > div { position:absolute; inset:auto 0 0; display:flex; justify-content:space-between; padding:7px 9px; background:rgba(10,11,10,.82); color:#f6efe2; font-size:5px; letter-spacing:.12em; }
.build-detail-card b { font-weight:500; }
.concept-note { max-width: 680px; margin: 24px auto 0; text-align: center; color: #6f7b95; font-size: 11.5px; }

/* ---------- About ---------- */
.section-about { max-width: none; overflow: hidden; padding-left: max(clamp(20px,4vw,48px),calc((100vw - 1084px)/2)); padding-right: max(clamp(20px,4vw,48px),calc((100vw - 1084px)/2)); }
.about-aura { position:absolute; width:700px; height:700px; left:-220px; top:0; background:radial-gradient(circle,rgba(143,123,255,.13),transparent 67%); pointer-events:none; }
.about-grid { display:grid; grid-template-columns:1.08fr .92fr; gap:9vw; align-items:end; margin-bottom:70px; }
.about-title h2 { font-size:clamp(42px,6.7vw,78px); line-height:1.02; letter-spacing:-.035em; }
.about-copy { border-left:1px solid rgba(56,255,195,.35); padding-left:30px; }
.about-copy p { color:var(--muted); font-size:14px; max-width:52ch; }
.about-copy .about-lead { color:var(--ink); font-size:clamp(18px,2.1vw,24px); line-height:1.45; margin-bottom:20px; }
.principles { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.principle { padding:34px 34px 38px; border-right:1px solid var(--line); }.principle:last-child{border-right:0}
.principle > span { color:var(--mint); font-family:var(--font-display); font-size:11px; letter-spacing:.16em; }
.principle h3 { font-size:18px; margin:26px 0 9px; }.principle p{color:var(--muted);font-size:13px;line-height:1.7}

/* ---------- Compact collaboration ---------- */
.section-collab { padding-top:70px; padding-bottom:70px; }
.collab-shell { position:relative; z-index:1; display:grid; grid-template-columns:.92fr 1.08fr; gap:clamp(40px,6vw,78px); align-items:center; max-width:1084px; margin:0 auto; padding:clamp(32px,5vw,58px); border:1px solid rgba(143,123,255,.2); border-radius:28px; background:linear-gradient(145deg,rgba(15,20,36,.86),rgba(7,11,21,.82)); }
.collab-intro .about-title h2 { font-size:clamp(38px,5vw,61px); }
.collab-intro .about-copy { margin-top:28px; padding-left:0; border-left:0; }
.collab-intro .about-copy .about-lead { font-size:clamp(17px,1.75vw,21px); margin-bottom:14px; }
.collab-process { border-left:1px solid var(--line); padding-left:clamp(26px,4vw,46px); }
.collab-process-head { display:flex; flex-direction:column; gap:8px; padding-bottom:19px; }
.collab-process-head span { color:var(--ink); font-family:var(--font-display); font-size:18px; font-weight:700; }
.collab-process-head b { color:var(--muted); font-size:11px; font-weight:400; }
.collab-process article { display:grid; grid-template-columns:38px 1fr; gap:14px; padding:18px 0; border-top:1px solid var(--line); }
.collab-process article > span { color:var(--mint); font-family:var(--font-display); font-size:10px; letter-spacing:.15em; padding-top:4px; }
.collab-process h3 { font-size:16px; margin-bottom:5px; }
.collab-process p { color:var(--muted); font-size:12px; line-height:1.55; }

/* ---------- Scope ---------- */
.section-scope { max-width:1180px; padding-top:35px; }
.scope-shell { position:relative; overflow:hidden; display:grid; grid-template-columns:.8fr 1.2fr; gap:6vw; padding:clamp(34px,6vw,72px); border:1px solid rgba(143,123,255,.2); border-radius:30px; background:radial-gradient(circle at 0 0,rgba(143,123,255,.15),transparent 36%),linear-gradient(145deg,rgba(16,20,37,.93),rgba(8,11,21,.93)); }
.scope-shell::after { content:""; position:absolute; width:220px; height:220px; right:-100px; bottom:-100px; border:1px solid rgba(56,255,195,.18); border-radius:50%; box-shadow:0 0 0 38px rgba(56,255,195,.025),0 0 0 76px rgba(56,255,195,.02); }
.scope-intro h2 { font-size:clamp(30px,4vw,47px); line-height:1.08; margin-bottom:18px; }.scope-intro p{color:var(--muted);font-size:14px;max-width:42ch}
.scope-columns { display:grid; grid-template-columns:1fr 1fr; gap:20px; position:relative; z-index:1; }
.scope-col { padding:25px; border:1px solid var(--line); border-radius:18px; background:rgba(5,8,16,.38); }
.scope-col h3 { display:flex;align-items:center;gap:11px;font-size:14px;margin-bottom:20px; }.scope-col h3 i{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 13px var(--mint)}
.scope-extra h3 i{background:#a28fff;box-shadow:0 0 13px #a28fff}.scope-col ul{list-style:none}.scope-col li{position:relative;padding:9px 0 9px 18px;border-bottom:1px solid rgba(148,168,210,.08);color:#aebad0;font-size:12.5px;line-height:1.45}.scope-col li:last-child{border-bottom:0}.scope-col li::before{content:"";position:absolute;left:0;top:16px;width:5px;height:5px;border-radius:50%;background:rgba(56,255,195,.65)}.scope-extra li::before{background:rgba(162,143,255,.7)}

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 26px; }
  .steps-line { display: none; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .wcard-slot { grid-column: span 2; }
  .wcard-slot .wcard-art-slot { padding: 44px 26px; }
  .concept, .concept:nth-child(even) { grid-template-columns: .88fr 1.12fr; min-height: 480px; }
  .concept-copy { padding: 38px 30px; }
  .concept-visual { min-height: 430px; }
  .about-grid { gap: 6vw; }
  .collab-shell { grid-template-columns:1fr; }
  .collab-process { border-left:0; padding-left:0; }
  .scope-shell { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .brand { gap: 8px; }
  .brand .brand-name { font-size: 12px; letter-spacing: .16em; }
  .brand-mark { width: 21px; height: 21px; }
  .value-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; }
  .wcard-slot { grid-column: auto; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .price-wrap { grid-template-columns: 1fr; }
  .price-card { padding: 32px 26px; }
  .price-custom-proof { padding:11px 13px; gap:11px; }
  .price-custom-copy { padding-left:11px; }
  .price-boundary { grid-template-columns:1fr; gap:8px; padding:18px; }
  .ba-stage { aspect-ratio: 4 / 4.4; }
  .new-dish { max-width: 48%; }
  .new-dish:nth-child(3) { display: none; }
  .new-links i { display: none; }
  .old-cols { flex-direction: column; }
  .old-menu { width: 100%; display: flex; gap: 4px; flex-wrap: wrap; }
  .old-menu-item { margin-bottom: 0; padding: 3px 7px; }
  .old-footer span:last-child { display: none; }
  .hero-ctas .btn { padding: 14px 24px; font-size: 13.5px; }
  footer { flex-direction: column; align-items: flex-start; }
  #hero { overflow: hidden; padding-top: 108px; }
  #hero::before { inset:16% 0 10%; background:radial-gradient(ellipse at center,rgba(6,8,15,.68) 0%,rgba(6,8,15,.38) 46%,transparent 74%); }
  .hero-title { font-size:clamp(38px,12vw,52px); max-width:11ch; }
  .hero-sub { color:#a9b5cd; max-width:32ch; }
  .trust-track span { padding:15px 24px; }
  .concept, .concept:nth-child(even) { grid-template-columns:1fr; min-height:0; }
  .concept-scroll { height:200vh; min-height:1350px; }
  .concept-stage { top:68px; height:calc(100svh - 82px); min-height:620px; }
  .concept-progress { right:8px; top:14px; height:calc(100% - 28px); }
  .concept:nth-child(even) .concept-copy { order:0; }
  /* 上文下图两行布局：文案自适应高度，图占余下全部空间，整卡保证一屏内完整 */
  .concept { grid-template-rows: auto minmax(0, 1fr); }
  .concept-copy { padding:24px 22px 16px; }
  .concept-index { font-size:58px; top:17px; right:23px; }
  .concept-copy h3 { max-width:none; font-size:clamp(23px, 6.8vw, 30px); text-wrap:balance; margin-bottom:12px; }
  .concept-copy > p { font-size:13.5px; margin-bottom:18px; }
  .concept-visual { min-height:0; height:100%; }
  .device-desktop { width:88%; }
  .device-phone { right:3%; width:26%; }
  .build-top { padding:12px 14px; }
  .build-top b { font-size:9px; }
  .build-hero-copy { padding:4% 6%; }
  .build-hero-copy small { margin-bottom:8px; }
  .build-hero-copy strong { font-size:19px; max-width:13ch; }
  .build-hero-copy > b { margin-top:10px; }
  .about-grid { grid-template-columns:1fr; gap:38px; margin-bottom:48px; }
  .about-copy { padding-left:20px; }
  .section-collab { padding-top:45px; padding-bottom:45px; }
  .collab-shell { padding:30px 22px; gap:32px; border-radius:22px; }
  .collab-intro .about-copy { padding-left:0; }
  .principles { grid-template-columns:1fr; }
  .principle { border-right:0; border-bottom:1px solid var(--line); padding:28px 8px; }
  .principle:last-child { border-bottom:0; }
  .principle h3 { margin-top:18px; }
  .scope-shell { padding:32px 20px; gap:34px; }
  .scope-columns { grid-template-columns:1fr; }
  .scope-col { padding:22px 18px; }
  .foot-right { line-height:1.65; }
  .contact-fab { right:14px; bottom:14px; padding:11px 15px 11px 11px; }
  .contact-modal { padding:10px; align-items:end; }
  .contact-modal-panel { max-height:calc(100svh - 20px); padding:32px 22px 24px; border-radius:24px 24px 18px 18px; }
  .contact-direct-actions { grid-template-columns:1fr; }
}

@media (max-height: 760px) {
  .hero-scroll { display: none; }
}

/* ---------- 动效降级 ---------- */
/* ===========================================================
   品牌 Logo：橱窗 + 冲出边框的四芒星 / MONTRA Pronta 字标
   =========================================================== */
.brand-mark {
  width: 25px; height: 25px;
  flex: 0 0 auto;
  filter: drop-shadow(0 0 7px rgba(56, 255, 195, .35));
}
.brand-name { text-transform: uppercase; white-space: nowrap; }
.brand-name .brand-accent {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 500;
  text-transform: none;
  letter-spacing: .02em;
  text-indent: 0;
  font-size: 1.12em;
  padding: .14em .08em .18em 0;
  margin: -.14em 0 -.18em;
  background: linear-gradient(100deg, var(--mint) 10%, #7ef2ff 55%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.loader-brandmark {
  width: 46px; height: 46px;
  margin-bottom: 4px;
  animation: loaderPulse 1.6s ease-in-out infinite;
}

/* ===========================================================
   风格升级：逐词入场 / Ken Burns / 章节色晕 / 衬线点缀
   =========================================================== */

/* 标题逐词从模糊中浮现（JS 拆词并写入 --wi） */
.hero-title .hw {
  display: inline-block;
  opacity: 0;
  transform: translateY(.42em);
  filter: blur(12px);
  transition:
    opacity .75s cubic-bezier(.22, .8, .3, 1),
    transform .75s cubic-bezier(.22, .8, .3, 1),
    filter .75s ease;
  transition-delay: calc(.25s + var(--wi, 0) * .09s);
}
body.hero-in .hero-title .hw { opacity: 1; transform: none; filter: none; }

/* 衬线意大利体点缀：主站强调词与概念案例的高级感呼应 */
.hero-title .grad,
.about-title .grad {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0;
  font-size: 1.04em;
  /* 渐变文字的背景只覆盖自身盒子：用内边距扩大可绘制区域，
     容纳衬线斜体的上伸部/下降部/尾笔，再用负外边距抵消布局影响 */
  padding: .16em .1em .22em .04em;
  margin: -.16em 0 -.22em;
}

/* Ken Burns：摄影图极缓慢地放大漂移，静图变活图 */
@keyframes kenburns {
  0%   { transform: scale(1.05) translate(0, 0); }
  100% { transform: scale(1.14) translate(-1.6%, -1.2%); }
}
.device-desktop { overflow: hidden; }
.food-ui > img,
.build-main-img,
.beauty-photo img,
.new-bg {
  animation: kenburns 18s ease-in-out infinite alternate;
  will-change: transform;
}
.beauty-photo img { animation-duration: 24s; animation-direction: alternate-reverse; }
.build-main-img { animation-duration: 21s; animation-delay: -8s; }
.new-bg { animation-duration: 26s; }

/* 章节色晕：交替色彩的微光打破长暗页的单调 */
#transform::before,
#pricing::before,
#faq::before {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
  width: min(760px, 90vw);
  height: 560px;
  border-radius: 50%;
}
#transform::before { left: -18%; top: 4%; background: radial-gradient(circle, rgba(56, 255, 195, .08), transparent 68%); }
#pricing::before { right: -16%; top: 8%; background: radial-gradient(circle, rgba(143, 123, 255, .10), transparent 68%); }
#faq::before { left: -14%; bottom: -6%; background: radial-gradient(circle, rgba(75, 224, 255, .07), transparent 68%); }
#transform, #pricing, #faq { overflow-x:clip; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .noise { animation: none; }
  .reveal, #hero .reveal { transition: none; opacity: 1; transform: none; }
  .hero-title .hw { transition: none; opacity: 1; transform: none; filter: none; }
  .food-ui > img, .build-main-img, .beauty-photo img, .new-bg { animation: none; }
  .price-card::before { animation: none; }
  .price-promo-label i { animation: none; }
  .price-custom-proof::after { animation:none; }
  .old-blink { animation: none; }
  .wb-hero::after, .wb-line::after, .wb-blocks i::after { animation: none; }
  .hero-scroll-line { animation: none; }
  .loader-mark { animation: none; }
  .concept { transition:none; }
  .contact-fab::before { animation:none; }
  .contact-modal-backdrop,.contact-modal-panel { transition:none; }
  .success-mark { animation:none; }
}