/*
Theme Name:        SolidKeep-InDims
Theme URI:         https://www.solidkeep.com/
Author:            InDims Studio
Author URI:        https://indims.studio/
Description:       SolidKeep · 隐界 — 暗装墙体系统单页主题。Hero / About / Range / Contact 单页结构,自适应 + 流畅淡入动画 + 平滑滚动 + 克制的 Glassmorphism 点缀,适合品牌名片站。Single-page WordPress theme for SolidKeep Hidden Wall System brand site. Designed & built by InDims Studio.
Version:           1.1.0
Requires at least: 5.8
Tested up to:      6.6
Requires PHP:      7.4
License:           GPL v2 or later
License URI:       https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:       solidkeep
Tags:              one-page, dark, minimal, responsive, custom-logo, custom-menu, threaded-comments, translation-ready
*/

/* =========================================================
   SolidKeep · main.css  (v2)
   Hidden Wall System · 暗装墙体系统
   暗色 / 极简 / 无衬线 / 精密感
   ========================================================= */

:root {
  --bg-0: #0a0c10;
  --bg-1: #0e1116;
  --bg-2: #14181f;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --ink-0: #f3f4f6;
  --ink-1: rgba(243, 244, 246, 0.78);
  --ink-2: rgba(243, 244, 246, 0.5);
  --ink-3: rgba(243, 244, 246, 0.3);

  /* 银灰点缀 (旧名 gold,语义已改为冷调银灰,保留变量名避免大改) */
  --gold: #9ca3af;
  --gold-soft: #c5cbd2;

  --sans: "Inter", "Manrope", -apple-system, "PingFang SC", "HarmonyOS Sans", sans-serif;
  --sans-cn: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", sans-serif;
  --display: "Manrope", "Inter", -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-1: 0 12px 32px -16px rgba(0, 0, 0, 0.55);
  --shadow-2: 0 30px 80px -30px rgba(0, 0, 0, 0.7);

  --max-w: 1280px;
  --gutter: clamp(20px, 4.5vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  background: var(--bg-0);
  color: var(--ink-0);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* 通用淡入 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-in { opacity: 1; transform: none; }


/* ==========================================================
   顶栏
   ========================================================== */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  background: linear-gradient(180deg, rgba(10,12,16,.55), rgba(10,12,16,0));
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: background .4s ease, border-color .4s ease;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}
.brand-cn {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .35em;
  padding-left: .35em;
  color: var(--ink-0);
}
.brand-en {
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .22em;
  color: var(--gold-soft);
}
.nav {
  display: flex;
  gap: 32px;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-1);
}
.nav a {
  position: relative;
  padding: 6px 14px;
  margin: -6px -2px;
  border-radius: 999px;
  transition: color .3s ease, background .3s ease, backdrop-filter .3s ease;
}
.nav a:hover {
  color: var(--gold-soft);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.nav a:hover::after { transform: scaleX(1); }

/* ==========================================================
   Hero
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(96px, 12vh, 140px) var(--gutter) clamp(48px, 8vh, 96px);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-items: stretch;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 32%;
  filter: brightness(.5) contrast(1.05) saturate(.9);
  transform: scale(1.05);
  animation: heroZoom 18s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 28% 50%, rgba(10,12,16,0) 0%, rgba(10,12,16,.55) 60%, rgba(10,12,16,.92) 100%),
    linear-gradient(180deg, rgba(10,12,16,.7) 0%, rgba(10,12,16,0) 18%, rgba(10,12,16,0) 55%, rgba(10,12,16,.95) 100%);
}
.hero-grain {
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: .07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.85'/></svg>");
}

.hero-tagline {
  position: relative;
  z-index: 2;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(11px, 1vw, 13px);
  letter-spacing: .42em;
  color: var(--ink-1);
  text-transform: uppercase;
  text-align: left;
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  max-width: 880px;
  padding: clamp(40px, 8vh, 96px) 0;
}
.hero-spec {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(13px, 1.2vw, 16px);
  letter-spacing: .28em;
  color: var(--ink-0);
  margin-bottom: 28px;
}
.hero-spec i {
  font-style: normal;
  font-family: var(--display);
  font-weight: 500;
  font-size: .82em;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-left: 10px;
}
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.05;
  margin-bottom: 28px;
}
.t-line { font-family: var(--sans-cn); }
.t-cn {
  font-weight: 500;
  font-size: clamp(56px, 9.5vw, 132px);
  letter-spacing: .08em;
  color: var(--ink-0);
  text-shadow: 0 4px 30px rgba(0,0,0,.5);
}
.t-en-cap {
  margin-top: 22px;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(11px, 1.05vw, 13px);
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.hero-sub {
  font-family: var(--sans-cn);
  font-weight: 300;
  font-size: clamp(14px, 1.3vw, 17px);
  letter-spacing: .12em;
  color: var(--ink-1);
  max-width: 620px;
  line-height: 1.95;
}
.hero-sub i {
  font-style: normal;
  font-family: var(--display);
  font-weight: 400;
  font-size: .88em;
  letter-spacing: .18em;
  color: var(--ink-2);
}

/* 右侧四类竖排 */
.hero-range {
  position: absolute;
  top: 50%;
  right: var(--gutter);
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-left: 1px solid var(--line-strong);
  padding-left: 22px;
}
.hero-range li {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: baseline;
  column-gap: 14px;
  row-gap: 2px;
}
.hero-range i {
  grid-row: 1 / span 2;
  font-family: var(--display);
  font-style: normal;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--gold);
  align-self: center;
}
.hero-range b {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: .26em;
  color: var(--ink-0);
}
.hero-range em {
  font-family: var(--display);
  font-style: normal;
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: .36em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* 左下角品牌 */
.hero-foot {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-self: end;
}
.hf-mark {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: .04em;
  color: var(--ink-0);
}
.hf-sub {
  font-family: var(--display);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .42em;
  color: var(--ink-2);
  text-transform: uppercase;
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 3;
  width: 22px;
  height: 38px;
  border: 1px solid var(--ink-3);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-hint span {
  width: 2px; height: 8px;
  background: var(--gold-soft);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0);   opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0);   opacity: 0; }
}

/* ==========================================================
   通用 section
   ========================================================== */
.section-eyebrow {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: 12.5px;
  letter-spacing: .26em;
  color: var(--ink-2);
  margin-bottom: 22px;
}
.section-eyebrow.center { text-align: center; }

.section-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(28px, 4vw, 52px);
  letter-spacing: .04em;
  color: var(--ink-0);
  line-height: 1.3;
  margin-bottom: 36px;
}
.section-title.center { text-align: center; }
.section-title:lang(en) { font-family: var(--display); font-weight: 600; }

/* ==========================================================
   About / The System
   ========================================================== */
.about {
  position: relative;
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background:
    radial-gradient(circle at 80% 0%, rgba(180, 188, 200, 0.045), transparent 50%),
    var(--bg-0);
  border-top: 1px solid var(--line);
}
.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.about-body p {
  font-family: var(--sans-cn);
  font-size: clamp(15px, 1.2vw, 17px);
  letter-spacing: .08em;
  color: var(--ink-1);
  margin-bottom: 22px;
  line-height: 2;
}
.pillars {
  display: flex;
  gap: 36px;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.pillars li { display: flex; flex-direction: column; gap: 8px; }
.pillars em {
  font-family: var(--display);
  font-style: normal;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
}
.pillars span {
  font-family: var(--sans-cn);
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: .26em;
  color: var(--ink-0);
}
.about-media { position: relative; }
.about-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-2);
}
.about-frame::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(180,188,200,.05), rgba(10,12,16,.4));
  mix-blend-mode: multiply;
  pointer-events: none;
}
.about-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(.4) brightness(.92) contrast(1.04);
  transition: transform 1.4s ease, filter 1.4s ease;
}
.about-frame:hover img {
  transform: scale(1.04);
  filter: grayscale(.15) brightness(1) contrast(1.04);
}
.caption {
  margin-top: 18px;
  font-family: var(--display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .24em;
  color: var(--ink-2);
  text-align: right;
  text-transform: uppercase;
}

/* ==========================================================
   Range
   ========================================================== */
.range {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.range-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.range-lede {
  font-family: var(--sans-cn);
  font-size: clamp(14px, 1.2vw, 16px);
  letter-spacing: .1em;
  color: var(--ink-1);
  text-align: center;
  max-width: 720px;
  margin: -8px auto 64px;
  line-height: 2;
}
.range-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.range-card {
  background: var(--bg-1);
  padding: clamp(28px, 3.5vw, 48px) clamp(22px, 2.6vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background .5s ease;
}
.range-card:hover { background: #161a22; }
.range-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 24px; height: 1px;
  background: var(--gold);
  transition: width .5s ease;
}
.range-card:hover::before { width: 100%; }
.rc-num {
  font-family: var(--display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold);
}
.rc-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(26px, 2.8vw, 34px);
  letter-spacing: .22em;
  color: var(--ink-0);
  margin-top: 6px;
}
.rc-en {
  font-family: var(--display);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-top: 4px;
}
.rc-desc {
  font-family: var(--sans-cn);
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 1.95;
}
.rc-spec {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--sans-cn);
  font-weight: 300;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--ink-2);
  line-height: 1.85;
}

/* Range 收口行 — “不止于此” */
.range-tail {
  margin-top: 36px;
  text-align: center;
  font-family: var(--sans-cn);
  font-size: clamp(13.5px, 1.05vw, 15px);
  letter-spacing: .12em;
  color: var(--ink-2);
  line-height: 2;
}
.range-tail i {
  font-style: normal;
  font-family: var(--display);
  font-size: .9em;
  letter-spacing: .22em;
  color: var(--ink-3);
}

/* ==========================================================
   Spec
   ========================================================== */
.spec {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.spec-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.spec-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.spec-list li {
  background: var(--bg-0);
  padding: clamp(28px, 3vw, 40px) clamp(20px, 2.4vw, 32px);
  display: grid;
  grid-template-columns: 140px 1fr;
  grid-template-rows: auto auto;
  column-gap: 24px;
  row-gap: 6px;
}
.sk {
  grid-row: 1 / span 2;
  font-family: var(--display);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--gold);
  align-self: center;
}
.sv {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -.01em;
  color: var(--ink-0);
}
.sv i {
  font-style: normal;
  font-size: .5em;
  font-weight: 500;
  letter-spacing: .06em;
  margin-left: 4px;
  color: var(--ink-2);
}
.sd {
  font-family: var(--sans-cn);
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--ink-2);
}

/* ==========================================================
   Contact / 二维码
   ========================================================== */
.contact {
  position: relative;
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background:
    radial-gradient(circle at 20% 100%, rgba(180, 188, 200, 0.05), transparent 55%),
    var(--bg-1);
  border-top: 1px solid var(--line);
  text-align: center;
}
.contact-inner { max-width: 880px; margin: 0 auto; }
.qr-card {
  display: inline-flex;
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(28px, 4vw, 48px);
  margin: 24px 0 56px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow:
    var(--shadow-2),
    inset 0 1px 0 rgba(255,255,255,.08),
    inset 0 -1px 0 rgba(255,255,255,.02);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  text-align: left;
}
.qr-frame {
  width: clamp(180px, 22vw, 240px);
  aspect-ratio: 1 / 1;
  background: #fff;
  padding: 14px;
  border-radius: var(--radius-md);
  box-shadow: 0 18px 50px -20px rgba(0,0,0,.65),
              0 0 0 1px rgba(180,188,200,.22);
  position: relative;
}
.qr-frame::before,
.qr-frame::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--gold);
}
.qr-frame::before { top: -6px;  left: -6px;  border-right: 0; border-bottom: 0; }
.qr-frame::after  { bottom: -6px; right: -6px; border-left: 0;  border-top: 0;    }
.qr-frame img {
  width: 100%; height: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  /* 二维码不加 filter,保扫码; contain 保证任意尺寸/比例图片完整显示且不变形 */
}
.qr-meta { min-width: 180px; }
.qr-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(18px, 1.8vw, 22px);
  letter-spacing: .26em;
  color: var(--ink-0);
  margin-bottom: 10px;
}
.qr-sub {
  font-family: var(--sans-cn);
  font-size: 13.5px;
  letter-spacing: .14em;
  color: var(--ink-1);
  margin-bottom: 6px;
}
.qr-en {
  font-family: var(--display);
  font-style: italic;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--ink-2);
}
.contact-list {
  display: inline-flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  text-align: left;
  min-width: 320px;
}
.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--ink-1);
}
.contact-list .k {
  font-family: var(--display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .42em;
  color: var(--gold);
  font-size: 12px;
}
.contact-list .v {
  font-family: var(--display);
  font-weight: 500;
}

/* ==========================================================
   Footer
   ========================================================== */
.foot {
  padding: 36px var(--gutter);
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.foot-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--display);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .3em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.foot-mark { color: var(--ink-1); font-weight: 700; }
.foot-dot { color: var(--gold); }

/* ==========================================================
   响应式
   ========================================================== */
@media (max-width: 1024px) {
  .hero-range {
    position: static;
    transform: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 14px 28px;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
    padding: 24px 0 0;
    margin-top: 32px;
  }
  .range-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-list { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-media { order: -1; }
  .pillars { gap: 24px; }
  .qr-card { flex-direction: column; text-align: center; }
  .qr-meta { text-align: center; }
  .nav { display: none; }
  .t-cn { font-size: clamp(40px, 11vw, 72px); letter-spacing: .06em; }
  .t-en-cap { font-size: 10px; letter-spacing: .34em; margin-top: 16px; }
  .spec-list li { grid-template-columns: 1fr; row-gap: 4px; }
  .sk { grid-row: auto; }
}
@media (max-width: 480px) {
  .topbar { padding: 16px 18px; }
  .range-grid { grid-template-columns: 1fr; }
  .contact-list { min-width: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media img { animation: none; transform: none; }
  .scroll-hint span { animation: none; }
}

/* ==========================================================
   Hero 主标 v4 (D 方案 · 极静 · 一行字居中)
   ========================================================== */
.hero {
  /* D 方案:整页 grid 改成两行 — 中央内容 + 底部四类水平栏 */
  grid-template-rows: 1fr auto;
}
.hero-content-mark {
  grid-row: 1;
  align-self: center;
  justify-self: center;
  text-align: center;
  max-width: 100%;
  padding: 0;
}
.hero-title-mark {
  display: block;
  margin-bottom: 36px;
  line-height: 1;
}
.t-mark {
  font-family: var(--sans-cn);
  font-weight: 300;
  font-size: clamp(96px, 14vw, 180px);
  letter-spacing: .42em;
  padding-left: .42em;
  color: var(--ink-0);
  line-height: 1;
  text-shadow: 0 8px 60px rgba(0,0,0,.6);
  display: inline-block;
}
.hero-sub-mark {
  text-align: center;
  max-width: 100%;
  margin: 0;
  font-family: var(--sans-cn);
  font-weight: 300;
  font-size: clamp(14px, 1.2vw, 17px);
  letter-spacing: .26em;
  color: var(--ink-1);
  line-height: 1.8;
}

/* 底部四类水平栏 — 不抢中央视觉,仅做信息兜底 */
.hero-range-flat {
  position: static;
  transform: none;
  grid-row: 2;
  display: flex;
  justify-content: center;
  flex-direction: row;
  gap: clamp(40px, 6vw, 96px);
  padding: 0;
  margin: 0;
  border: 0;
  z-index: 2;
}
.hero-range-flat li {
  display: block;
  grid-template-columns: none;
  border: 0;
  padding: 0;
}
.hero-range-flat b {
  font-family: var(--sans-cn);
  font-weight: 400;
  font-size: clamp(13px, 1.05vw, 14.5px);
  letter-spacing: .42em;
  padding-left: .42em;
  color: var(--ink-2);
}

/* 移动端:四类太长就竖排 */
@media (max-width: 760px) {
  .t-mark { font-size: clamp(80px, 22vw, 130px); }
  .hero-range-flat {
    gap: 18px 28px;
    flex-wrap: wrap;
  }
  .hero-range-flat b { font-size: 12px; letter-spacing: .3em; padding-left: .3em; }
}

/* ==========================================================
   v2 文案新增:Scenarios / Gap / Multi-Gang / Samples
   ========================================================== */

/* ----- Scenarios:四种完成面 ----- */
.scenarios {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.scenarios-inner { max-width: var(--max-w); margin: 0 auto; }
.scenarios-lede {
  font-family: var(--sans-cn);
  font-size: clamp(14px, 1.2vw, 16px);
  letter-spacing: .1em;
  color: var(--ink-1);
  text-align: center;
  max-width: 720px;
  margin: -8px auto 64px;
  line-height: 2;
}
.scenarios-lede i {
  font-style: normal;
  font-family: var(--display);
  font-size: .9em;
  letter-spacing: .22em;
  color: var(--ink-3);
}
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}
.scenario-card {
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .4s ease, transform .4s ease;
}
.scenario-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.sc-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: #14181f;
}
.sc-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,12,16,0) 60%, rgba(10,12,16,.5));
  pointer-events: none;
}
.sc-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(.3) brightness(.9) contrast(1.04);
  transition: transform 1.4s ease, filter 1.4s ease;
}
.scenario-card:hover .sc-media img {
  transform: scale(1.04);
  filter: grayscale(.05) brightness(1);
}
.sc-body { padding: clamp(24px, 2.8vw, 36px) clamp(22px, 2.6vw, 32px); }
.sc-num {
  font-family: var(--display);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .42em;
  color: var(--gold);
  margin-bottom: 14px;
}
.sc-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: .2em;
  color: var(--ink-0);
  margin-bottom: 14px;
}
.sc-desc {
  font-family: var(--sans-cn);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2;
}

/* ----- Gap:两种缝隙 + 齐平关系 ----- */
.gap-language {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.gap-inner { max-width: var(--max-w); margin: 0 auto; }
.gap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
  margin-top: 32px;
}
.gap-card {
  background: var(--bg-0);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: clamp(36px, 4vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.gap-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .6;
}
.gap-num {
  font-family: var(--display);
  font-weight: 200;
  font-size: clamp(72px, 10vw, 140px);
  line-height: 1;
  color: var(--ink-0);
  letter-spacing: -.04em;
  margin-bottom: 8px;
}
.gap-num span {
  font-size: .35em;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--ink-2);
  margin-left: 6px;
  vertical-align: 0.6em;
}
.gap-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: .26em;
  color: var(--ink-0);
  margin-bottom: 16px;
}
.gap-desc {
  font-family: var(--sans-cn);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2;
  max-width: 380px;
  margin: 0 auto 24px;
}
.gap-tag {
  display: inline-block;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--line-strong);
  padding: 6px 16px;
  border-radius: 999px;
}
.gap-tag-pro {
  color: var(--ink-2);
  border-color: var(--line);
}
.gap-flush {
  margin-top: clamp(48px, 6vw, 72px);
  padding: clamp(32px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  text-align: center;
}
.gap-flush-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(20px, 2.2vw, 28px);
  letter-spacing: .14em;
  color: var(--ink-0);
  margin-bottom: 18px;
  line-height: 1.5;
}
.gap-flush p {
  font-family: var(--sans-cn);
  font-size: clamp(14px, 1.15vw, 16px);
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2;
  max-width: 720px;
  margin: 0 auto;
}

/* ----- Multi-gang:多联价值 ----- */
.multi-gang {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.mg-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.mg-text .section-eyebrow,
.mg-text .section-title { text-align: left; }
.mg-body {
  font-family: var(--sans-cn);
  font-size: clamp(15px, 1.2vw, 17px);
  letter-spacing: .08em;
  color: var(--ink-1);
  line-height: 2;
  margin-bottom: 24px;
}
.mg-bullets {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.mg-bullets li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--sans-cn);
  font-size: 14.5px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 1.85;
}
.mg-bullets b {
  font-weight: 500;
  color: var(--ink-0);
  letter-spacing: .14em;
}
.mg-media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-2);
}
.mg-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(.9) contrast(1.04);
  transition: transform 1.4s ease;
}
.mg-media:hover img { transform: scale(1.03); }

/* ----- Samples ----- */
.samples {
  padding: clamp(96px, 14vh, 180px) var(--gutter);
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.samples-inner { max-width: 880px; margin: 0 auto; text-align: center; }
.samples-body {
  font-family: var(--sans-cn);
  font-size: clamp(14px, 1.15vw, 16px);
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2.1;
  max-width: 720px;
  margin: 0 auto;
}

/* ----- Contact 增强 ----- */
.contact-lede {
  font-family: var(--sans-cn);
  font-size: clamp(14px, 1.15vw, 16px);
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2;
  max-width: 640px;
  margin: -16px auto 32px;
}
.qr-email {
  margin-top: 8px;
  font-family: var(--display);
  font-size: 13.5px;
  letter-spacing: .04em;
}
.qr-email a { color: var(--ink-1); border-bottom: 1px solid var(--line); padding-bottom: 1px; }
.qr-email a:hover { color: var(--gold-soft); }
.audience {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 28px;
  text-align: left;
  max-width: 760px;
  margin: 32px auto 0;
  padding: 28px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}
.audience li {
  font-family: var(--sans-cn);
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 1.85;
  position: relative;
  padding-left: 16px;
}
.audience li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.audience b { color: var(--ink-0); font-weight: 500; letter-spacing: .12em; }

/* ----- 响应式补丁 ----- */
@media (max-width: 1024px) {
  .scenarios-grid { grid-template-columns: 1fr; }
  .gap-grid { grid-template-columns: 1fr; }
  .mg-inner { grid-template-columns: 1fr; }
  .mg-media { order: -1; }
  .audience { grid-template-columns: 1fr; }
}

/* ==========================================================
   v3 重排:Scenarios 卡片再设计 + 正文版面层次
   ========================================================== */

/* ----- Scenarios:错落卡片 + 圆角 + 媒体框 + 真正排版 ----- */
.scenarios-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(28px, 3.2vw, 44px);
}
.scenario-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-1);
  transition: border-color .5s ease, transform .5s ease, box-shadow .5s ease;
}
.scenario-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}
/* 卡片左上角的细线,呼应墙缝 */
.scenario-card::before {
  content: "";
  position: absolute;
  top: 0; left: clamp(28px, 3vw, 40px);
  width: 28px; height: 1px;
  background: var(--gold);
  opacity: .55;
  z-index: 2;
}
/* 媒体区:圆角内框 + padding 留白 */
.sc-media {
  margin: clamp(16px, 1.6vw, 22px) clamp(16px, 1.6vw, 22px) 0;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
}
.sc-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,12,16,0) 55%, rgba(10,12,16,.55));
  pointer-events: none;
}
.sc-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(.35) brightness(.92) contrast(1.04);
  transition: transform 1.4s ease, filter 1.4s ease;
}
.scenario-card:hover .sc-media img {
  transform: scale(1.04);
  filter: grayscale(.1) brightness(1) contrast(1.04);
}

/* CSS 占位:画一个面板示意,呼应产品语言 */
.sc-media-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(120% 80% at 50% 100%, rgba(180,188,200,.06), transparent 65%),
    var(--bg-2);
}
.sc-media-empty::before {
  content: "";
  position: absolute;
  inset: 18% 22%;
  border: 1px solid rgba(197,203,210,.22);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0));
}
/* 占位中央那道极细缝 */
.sc-media-empty::after {
  content: "";
  position: absolute;
  left: 26%; right: 26%;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197,203,210,.45), transparent);
  z-index: 1;
}
.sc-media-empty-wood   { background-color: #14130f; }
.sc-media-empty-stone  { background-color: #131418; }
.sc-media-empty-tile   { background-color: #0f1316; }
.sc-empty-tag {
  position: relative;
  z-index: 2;
  font-family: var(--display);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: .42em;
  color: var(--ink-2);
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10,12,16,.6);
  backdrop-filter: blur(6px);
}

/* 正文:左侧细线 + 编号大字 + 标题 + 描述 */
.sc-body {
  padding: clamp(26px, 3vw, 40px) clamp(24px, 2.8vw, 36px) clamp(30px, 3.4vw, 44px);
  position: relative;
}
.sc-num {
  font-family: var(--display);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .48em;
  color: var(--gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sc-num::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.sc-title {
  font-family: var(--sans-cn);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: .22em;
  color: var(--ink-0);
  margin-bottom: 16px;
  line-height: 1.4;
}
.sc-desc {
  font-family: var(--sans-cn);
  font-size: 14.5px;
  letter-spacing: .06em;
  color: var(--ink-1);
  line-height: 2;
  max-width: 38ch;
}

/* Multi-gang 占位:三道竖向面板示意 */
.mg-media-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: clamp(40px, 5vw, 72px);
  background:
    radial-gradient(120% 80% at 50% 100%, rgba(180,188,200,.06), transparent 65%),
    var(--bg-2);
}
.mg-empty-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.6vw, 22px);
}
.mg-empty-grid span {
  aspect-ratio: 2 / 3;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  position: relative;
}
.mg-empty-grid span::after {
  content: "";
  position: absolute;
  inset: 22% 32%;
  border: 1px solid rgba(197,203,210,.2);
  border-radius: 3px;
}
.mg-empty-cap {
  font-family: var(--display);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: .48em;
  color: var(--ink-2);
  text-transform: uppercase;
}

/* ----- Samples:不再左侧贴边,做出层次 ----- */
.samples-inner { max-width: 760px; }
.samples-body {
  font-family: var(--sans-cn);
  font-size: clamp(15px, 1.18vw, 17px);
  letter-spacing: .08em;
  color: var(--ink-1);
  line-height: 2.05;
  max-width: 640px;
  margin: 32px auto 0;
  text-align: center;
}
.samples-body b {
  display: block;
  margin: 28px auto 0;
  padding-top: 26px;
  max-width: 520px;
  position: relative;
  color: var(--ink-0);
  font-weight: 500;
  letter-spacing: .14em;
  line-height: 1.85;
}
.samples-body b::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 36px; height: 1px;
  background: var(--gold);
  opacity: .6;
}

/* ----- Gap 卡片:真正的层次 ----- */
.gap-grid { margin-top: 48px; }
.gap-card {
  padding: clamp(44px, 4.8vw, 68px) clamp(28px, 3.2vw, 44px);
  border-radius: var(--radius-lg);
}
.gap-desc {
  font-size: 14.5px;
  line-height: 2;
  max-width: 320px;
  margin: 0 auto 28px;
}
.gap-flush {
  margin-top: clamp(56px, 7vw, 96px);
  padding: clamp(40px, 5vw, 64px) clamp(32px, 4.5vw, 72px);
  border-radius: var(--radius-lg);
}
.gap-flush-title {
  letter-spacing: .14em;
  margin-bottom: 22px;
}
.gap-flush p {
  font-size: clamp(14.5px, 1.15vw, 16px);
  line-height: 2.1;
}

/* ----- About 文字版面(让段落不再像 txt) ----- */
.about-body p {
  position: relative;
}
.about-body p + p {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

/* ----- 多联文案的 ul 不再像 txt:卡片化,左侧色块 ----- */
.mg-bullets li {
  padding: 18px 0 18px 18px;
  position: relative;
}
.mg-bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: 22px;
  width: 4px; height: 16px;
  background: var(--gold);
  opacity: .65;
  border-radius: 2px;
}
.mg-bullets li b {
  display: inline-block;
  margin-bottom: 4px;
}

/* ----- 移动端:卡片单列 ----- */
@media (max-width: 760px) {
  .scenarios-grid { gap: 22px; }
  .sc-media { aspect-ratio: 4 / 3; }
  .sc-title { letter-spacing: .18em; }
}