/* ==========================================================
   慕薇农林 MUVEA · 官网视觉 v3
   配色取自品牌 logo：主绿 #009838 / 麦穗金 #F8B000 / 叶绿 #60B424
   材质基调：木纹暖纸 + 深木棕，版式按「林木 → 原木 → 单板 → 板材」叙事
   纯静态 / 无外部字体、无外部库 / 可离线双击打开
   ========================================================== */

:root {
  /* 品牌色（logo 实测值） */
  --green:        #009838;
  --green-deep:   #006B2B;
  --green-ink:    #00592A;
  --green-soft:   #E8F5EA;
  --leaf:         #60B424;
  --amber:        #F8B000;
  --amber-deep:   #CE8B00;
  --amber-soft:   #FFF2CE;

  /* 木材 / 纸张 */
  --paper:        #FBF8F0;
  --paper-2:      #F4ECDD;
  --paper-3:      #EDE2CE;
  --wood:         #A9793F;
  --wood-light:   #D8B98C;
  --bark:         #352719;
  --bark-2:       #4A3826;

  /* 文字 */
  --ink:          #262A20;
  --ink-2:        #4C5142;
  --muted:        #777B6B;
  --on-dark:      #F7F1E3;

  --line:         rgba(53, 39, 25, .14);
  --line-soft:    rgba(53, 39, 25, .08);
  --shadow:       0 18px 50px rgba(53, 39, 25, .10);
  --shadow-sm:    0 8px 24px rgba(53, 39, 25, .08);

  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  --font-num: Georgia, "Times New Roman", serif;
}

/* ---------- 木纹：可复用的材质底 ---------- */
.woodgrain {
  background-color: var(--paper-2);
  background-image:
    repeating-linear-gradient(92deg, rgba(112, 76, 38, .075) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(88deg, rgba(112, 76, 38, .055) 0 2px, transparent 2px 23px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .28) 0 3px, transparent 3px 34px),
    linear-gradient(112deg, #F6EEDF 0%, #EADCC2 48%, #F4E8D3 100%);
}
.woodgrain-dark {
  background-color: var(--bark-2);
  background-image:
    repeating-linear-gradient(92deg, rgba(0, 0, 0, .14) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(88deg, rgba(255, 220, 160, .055) 0 2px, transparent 2px 21px),
    linear-gradient(112deg, #4A3826 0%, #382A1C 55%, #4C3A27 100%);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
code { font-family: Consolas, Monaco, monospace; font-size: .92em; }
.wrap { width: min(1200px, calc(100% - 56px)); margin-inline: auto; }
[hidden] { display: none !important; }

/* ---------- 双视图：站长提示 / 客户视图 ---------- */
html.client-view [data-editor-only] { display: none !important; }
html.editor-view [data-client-only] { display: none !important; }
.pending-mark { outline: 2px dashed var(--amber); outline-offset: 3px; border-radius: 3px; }

.demo-bar {
  background: var(--amber-soft);
  color: #6A4700;
  border-bottom: 1px solid #EBD08A;
  font-size: 13px;
  line-height: 1.55;
}
.demo-bar .wrap { display: flex; align-items: center; gap: 12px; min-height: 40px; padding-block: 7px; }
.demo-bar strong { color: var(--amber-deep); white-space: nowrap; font-size: 12px; letter-spacing: .08em; }
.demo-bar span { flex: 1; }
.demo-bar button {
  border: 0; background: rgba(206, 139, 0, .13); color: var(--amber-deep);
  width: 24px; height: 24px; border-radius: 50%; font-size: 17px; line-height: 1; flex: none;
}
.demo-bar button:hover { background: rgba(206, 139, 0, .25); }

/* ---------- 顶部信息条 ---------- */
.utility {
  background: var(--bark);
  color: var(--on-dark);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.utility .wrap {
  min-height: 38px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.utility .slogan { display: flex; align-items: center; gap: 9px; opacity: .92; }
.utility .slogan::before {
  content: ""; width: 6px; height: 6px; background: var(--amber); transform: rotate(45deg); flex: none;
}
.utility-right { display: flex; align-items: center; gap: 14px; }
.utility-right a { color: var(--amber); font-weight: 600; }
.utility-right a:hover { text-decoration: underline; }
.utility .sep { opacity: .35; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(251, 248, 240, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 26px; min-height: 84px; }
.brand { display: flex; align-items: center; gap: 13px; flex: none; }
.brand-logo { height: 52px; width: auto; }
.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-text b { font-size: 19px; letter-spacing: .06em; color: var(--green-ink); line-height: 1.2; }
.brand-text small { font-size: 10px; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.nav-links { display: flex; gap: 30px; margin-left: auto; }
.nav-links a {
  font-size: 14.5px; font-weight: 600; color: var(--ink-2); position: relative; padding-block: 8px;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 2px; width: 0; height: 2px;
  background: var(--green); transition: width .25s ease;
}
.nav-links a:hover { color: var(--green-ink); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 2px; overflow: hidden; }
.lang button {
  border: 0; background: transparent; padding: 6px 11px; font-size: 12px;
  font-weight: 700; color: var(--muted); letter-spacing: .04em;
}
.lang button.active { background: var(--green); color: #fff; }
.lang button:not(.active):hover { background: var(--green-soft); color: var(--green-ink); }
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  padding: 11px 20px; font-size: 14px; font-weight: 700; border-radius: 2px;
  border: 1px solid transparent; transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost { border-color: var(--green); color: var(--green-ink); background: transparent; }
.btn-ghost:hover { background: var(--green-soft); }
.btn-amber { background: var(--amber); color: #3A2700; }
.btn-amber:hover { background: #FFC233; }
.btn-sm { padding: 9px 17px; font-size: 13px; }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 24px; color: var(--green-ink); padding: 4px 8px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--paper); }
.hero-grid {
  display: grid; grid-template-columns: 1.04fr .96fr; align-items: stretch; min-height: 588px;
}
.hero-copy {
  padding: 84px 54px 78px 0;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; z-index: 2;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 11.5px;
  font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--green-ink);
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--amber); flex: none; }
.eyebrow.light { color: #CBEBD2; }
.hero h1 {
  font-size: clamp(38px, 4.3vw, 62px); line-height: 1.18; letter-spacing: -.035em; margin-bottom: 22px;
}
.hero h1 em { font-style: normal; color: var(--green); position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 7px;
  background: linear-gradient(90deg, var(--amber), rgba(248, 176, 0, .15));
  border-radius: 1px;
}
.hero-lead { font-size: 16.5px; color: var(--ink-2); max-width: 540px; line-height: 1.9; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.hero-address {
  display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--muted);
  border-top: 1px solid var(--line); padding-top: 18px; max-width: 540px;
}
.hero-address .pin { color: var(--green); font-size: 15px; line-height: 1.4; }
.hero-address b { color: var(--ink-2); }

/* Hero 视觉：木纹底 + 年轮 / 板材 SVG */
.hero-visual { position: relative; min-height: 480px; }
.hero-visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(91deg, rgba(90, 58, 26, .09) 0 1px, transparent 1px 11px),
    repeating-linear-gradient(87deg, rgba(90, 58, 26, .06) 0 2px, transparent 2px 27px),
    linear-gradient(150deg, #F3E7D1 0%, #E7D5B5 55%, #F5EBD8 100%);
}
.hero-visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--paper) 0%, rgba(251, 248, 240, 0) 16%);
  pointer-events: none;
}
.hero-visual svg.hero-art {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1;
}
.hero-stamp {
  position: absolute; right: 30px; bottom: 28px; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 92px; height: 92px; border-radius: 50%;
  background: var(--green); color: #fff; text-align: center;
  box-shadow: 0 10px 28px rgba(0, 105, 43, .28);
  transform: rotate(-8deg);
}
.hero-stamp b { font-family: var(--font-num); font-size: 24px; line-height: 1; }
.hero-stamp small { font-size: 9.5px; letter-spacing: .1em; margin-top: 4px; opacity: .9; }

/* Hero 底部业务索引刻度 */
.hero-index {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--bark); color: var(--on-dark);
  border-top: 3px solid var(--amber);
}
.hero-index .cell {
  display: flex; align-items: center; gap: 14px; padding: 20px 24px;
  border-right: 1px solid rgba(255, 255, 255, .1); transition: background .25s ease;
}
.hero-index .cell:last-child { border-right: 0; }
.hero-index .cell:hover { background: rgba(255, 255, 255, .05); }
.hero-index .num { font-family: var(--font-num); font-size: 26px; color: var(--amber); line-height: 1; }
.hero-index .txt { font-size: 13.5px; font-weight: 600; line-height: 1.4; }

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; }
.section.tight { padding: 68px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 46px; }
.section-head h2 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.03em; }
.section-head .lead { color: var(--muted); font-size: 15px; max-width: 460px; line-height: 1.85; }
.section-head .kicker { font-family: var(--font-num); font-size: 13px; color: var(--wood); letter-spacing: .12em; margin-bottom: 10px; }

/* ---------- 流程：从林地到板材 ---------- */
.flow { background: var(--paper-2); border-block: 1px solid var(--line-soft); }
.flow-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.flow-track::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 34px; height: 1px;
  background: repeating-linear-gradient(90deg, var(--wood-light) 0 7px, transparent 7px 14px);
}
.flow-step { position: relative; padding: 0 22px 0 0; z-index: 1; }
.flow-dot {
  width: 68px; height: 68px; border-radius: 50%; display: grid; place-items: center;
  background: var(--paper); border: 1px solid var(--line);
  font-family: var(--font-num); font-size: 22px; color: var(--wood);
  margin-bottom: 20px; box-shadow: var(--shadow-sm);
}
.flow-step:nth-child(2) .flow-dot { background: #F1F7EC; }
.flow-step:nth-child(3) .flow-dot { background: #FDF4DE; }
.flow-step:nth-child(4) .flow-dot { background: var(--green); color: #fff; border-color: var(--green); }
.flow-step h3 { font-size: 18px; margin-bottom: 9px; color: var(--ink); }
.flow-step p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.flow-arrow {
  position: absolute; top: 28px; right: 8px; color: var(--wood-light); font-size: 18px; z-index: 2;
}

/* ---------- 关于我们（深绿反白） ---------- */
.about { background: var(--green-deep); color: #EAF5EC; position: relative; overflow: hidden; }
.about::before {
  content: ""; position: absolute; right: -120px; top: -160px; width: 520px; height: 520px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .09);
  box-shadow: 0 0 0 60px rgba(255, 255, 255, .025), 0 0 0 130px rgba(255, 255, 255, .02);
  pointer-events: none;
}
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 72px; align-items: start; position: relative; }
.about h2 { font-size: clamp(28px, 3vw, 40px); color: #fff; margin-bottom: 24px; letter-spacing: -.03em; }
.about .intro-text { font-size: 15.5px; line-height: 2; color: rgba(234, 245, 236, .88); max-width: 640px; }
.about .intro-text + .intro-text { margin-top: 14px; }
.about-note {
  margin-top: 28px; padding: 14px 18px; border-left: 3px solid var(--amber);
  background: rgba(255, 255, 255, .07); font-size: 13.5px; color: #DCEEDA; max-width: 640px;
}
.registry-card {
  background: var(--paper); color: var(--ink); padding: 30px 30px 26px;
  box-shadow: 0 22px 60px rgba(0, 40, 15, .22); position: relative;
}
.registry-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px;
  background: linear-gradient(90deg, var(--green) 0 62%, var(--amber) 62% 100%);
}
.registry-card h3 { font-size: 13px; letter-spacing: .14em; color: var(--green-ink); text-transform: uppercase; margin-bottom: 22px; }
.reg-row { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line-soft); font-size: 14px; }
.reg-row:last-of-type { border-bottom: 0; }
.reg-row .k { color: var(--muted); width: 96px; flex: none; font-size: 13px; }
.reg-row .v { font-weight: 600; color: var(--ink); word-break: break-word; }
.reg-row .v.mono { font-family: var(--font-num); letter-spacing: .04em; }
.reg-badge {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 20px;
  background: var(--green-soft); color: var(--green-ink); font-size: 12px;
  font-weight: 700; padding: 7px 12px; border-radius: 2px;
}
.reg-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

/* ---------- 业务：交错长卡 ---------- */
.works { background: var(--paper); }
.work-list { display: flex; flex-direction: column; gap: 0; }
.work-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch;
  border-top: 1px solid var(--line); padding: 34px 0;
}
.work-row:last-child { border-bottom: 1px solid var(--line); }
.work-row:nth-child(even) .work-media { order: 2; }
.work-row:nth-child(even) .work-copy { order: 1; padding-left: 0; padding-right: 54px; }
.work-media {
  position: relative; min-height: 250px; overflow: hidden; background: var(--paper-2);
  border-radius: 2px;
}
.work-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.work-media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--line);
}
.work-num {
  position: absolute; left: 18px; top: 16px; z-index: 2;
  font-family: var(--font-num); font-size: 15px; letter-spacing: .08em;
  color: var(--bark); background: var(--amber); padding: 3px 11px; border-radius: 2px;
}
.work-media .zoom-hint {
  position: absolute; right: 14px; bottom: 12px; z-index: 2;
  font-size: 11px; color: #fff; background: rgba(53, 39, 25, .62);
  padding: 4px 9px; border-radius: 2px; opacity: 0; transition: opacity .2s ease;
}
.work-media:hover .zoom-hint { opacity: 1; }
.work-copy { padding-left: 54px; display: flex; flex-direction: column; justify-content: center; }
.work-copy .wk-tag {
  font-size: 11px; font-weight: 700; letter-spacing: .18em; color: var(--wood);
  text-transform: uppercase; margin-bottom: 14px;
}
.work-copy h3 { font-size: clamp(23px, 2.4vw, 31px); margin-bottom: 16px; letter-spacing: -.03em; }
.work-copy p { color: var(--ink-2); font-size: 15px; line-height: 1.9; max-width: 430px; }
.work-copy .wk-foot {
  display: flex; align-items: center; gap: 12px; margin-top: 22px;
  font-size: 13px; font-weight: 700; color: var(--green-ink);
}
.work-copy .wk-foot::before { content: ""; width: 30px; height: 2px; background: var(--amber); }

/* ---------- 原料与工艺材质带 ---------- */
.materials { background: var(--bark); color: var(--on-dark); position: relative; }
.materials .section-head h2 { color: #fff; }
.materials .section-head .lead { color: rgba(247, 241, 227, .68); }
.materials .eyebrow { color: #BFE3C7; }
.mat-band {
  height: 16px; margin-bottom: 34px;
  background-image:
    repeating-linear-gradient(91deg, rgba(0, 0, 0, .16) 0 1px, transparent 1px 10px),
    linear-gradient(90deg, #8A5F32, #C79A5C 35%, #E2C393 62%, #A9793F);
}
.mat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255, 255, 255, .1); }
.mat-card { background: var(--bark-2); padding: 32px 30px 34px; }
.mat-card .mat-swatch { height: 46px; margin-bottom: 24px; border-radius: 2px; }
.mat-card:nth-child(1) .mat-swatch {
  background: repeating-linear-gradient(96deg, #7A5330 0 3px, #946A3C 3px 8px, #845A33 8px 13px);
}
.mat-card:nth-child(2) .mat-swatch {
  background: repeating-linear-gradient(4deg, #D8B98C 0 6px, #E7CDA8 6px 12px, #D2B184 12px 17px);
}
.mat-card:nth-child(3) .mat-swatch {
  background: repeating-linear-gradient(0deg, #C99C61 0 9px, #DDB77F 9px 18px, #C59A62 18px 27px);
}
.mat-card .mat-no { font-family: var(--font-num); font-size: 12px; color: var(--amber); letter-spacing: .14em; }
.mat-card h3 { font-size: 19px; color: #fff; margin: 8px 0 12px; }
.mat-card p { font-size: 13.5px; color: rgba(247, 241, 227, .72); line-height: 1.85; }

/* ---------- 现场视频 ---------- */
.videos { background: var(--paper-2); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.video-card { background: var(--paper); border: 1px solid var(--line); overflow: hidden; }
.video-frame { position: relative; aspect-ratio: 16 / 10; background: var(--bark); }
.video-frame video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px; text-align: center; padding: 20px;
  background-image:
    repeating-linear-gradient(91deg, rgba(255, 220, 160, .05) 0 1px, transparent 1px 12px),
    linear-gradient(140deg, #4A3826, #332518);
  color: var(--on-dark);
}
.video-placeholder .play {
  width: 48px; height: 48px; border: 1px solid rgba(248, 176, 0, .7); border-radius: 50%;
  display: grid; place-items: center; color: var(--amber); font-size: 17px; padding-left: 3px;
  margin-bottom: 4px;
}
.video-placeholder b { font-size: 15px; }
.video-placeholder small { font-size: 12px; color: rgba(247, 241, 227, .66); line-height: 1.6; }
.video-placeholder code { color: var(--amber); }
.video-body { padding: 18px 20px 22px; }
.video-body h3 { font-size: 16.5px; margin-bottom: 6px; }
.video-body p { font-size: 13px; color: var(--muted); }
.video-tip {
  margin-top: 22px; font-size: 12.5px; color: var(--wood);
  border-left: 3px solid var(--amber); padding-left: 14px; line-height: 1.7;
}

/* ---------- 联系（深木） ---------- */
.contact { background: var(--bark); color: var(--on-dark); padding: 88px 0 0; }
.contact .eyebrow { color: #BFE3C7; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact h2 { font-size: clamp(28px, 3vw, 40px); color: #fff; margin-bottom: 18px; }
.contact .lead { color: rgba(247, 241, 227, .7); font-size: 15px; line-height: 1.9; margin-bottom: 32px; max-width: 480px; }
.call-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.big-tel {
  font-family: var(--font-num); font-size: clamp(26px, 3vw, 38px); color: var(--amber);
  letter-spacing: .02em; display: inline-block;
}
.big-tel:hover { text-decoration: underline; }
.copy-tel {
  font-family: var(--font); font-size: 12.5px; font-weight: 600; cursor: pointer;
  color: var(--on-dark); background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px;
  padding: 8px 14px; line-height: 1.2; transition: background .2s, border-color .2s;
}
.copy-tel:hover { background: rgba(248, 176, 0, .18); border-color: var(--amber); }
.copy-tel.done { color: var(--bark); background: var(--amber); border-color: var(--amber); }
.call-hint { font-size: 12.5px; color: rgba(247, 241, 227, .58); line-height: 1.7; margin-bottom: 26px; }
.contact-rows { display: flex; flex-direction: column; }
.contact-row {
  display: flex; gap: 20px; align-items: baseline; padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, .12); font-size: 14px;
}
.contact-row .k { width: 108px; flex: none; color: rgba(247, 241, 227, .55); font-size: 13px; }
.contact-row .v { color: var(--on-dark); word-break: break-word; }
.contact-row a.v:hover { color: var(--amber); }
.contact-note { margin-top: 18px; font-size: 12.5px; color: rgba(247, 241, 227, .5); line-height: 1.7; }

.address-card { background: var(--paper); color: var(--ink); padding: 26px; box-shadow: var(--shadow); }
.address-card .map-art { width: 100%; height: 196px; display: block; margin-bottom: 20px; }
.address-card h3 { font-size: 16px; margin-bottom: 14px; color: var(--green-ink); }
.addr-block { padding: 12px 0; border-top: 1px solid var(--line-soft); }
.addr-block dt { font-size: 11px; letter-spacing: .12em; color: var(--wood); text-transform: uppercase; margin-bottom: 5px; }
.addr-block dd { margin: 0; font-size: 13.5px; line-height: 1.75; }
.map-btns { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.map-btns .btn { flex: 1; min-width: 130px; }

/* ---------- 页脚 ---------- */
.footer { background: #241B11; color: rgba(247, 241, 227, .6); padding: 34px 0; font-size: 12.5px; }
.footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer b { color: var(--on-dark); font-size: 14px; letter-spacing: .04em; }
.footer .reg { font-family: var(--font-num); letter-spacing: .06em; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: var(--amber); }

/* ---------- 回到顶部 / 大图 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 50;
  width: 42px; height: 42px; border-radius: 2px; border: 0;
  background: var(--green); color: #fff; font-size: 19px;
  opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .25s ease;
  box-shadow: var(--shadow-sm);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(28, 20, 12, .92);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 30px;
}
.lightbox img { max-width: min(1000px, 94vw); max-height: 78vh; object-fit: contain; box-shadow: var(--shadow); }
.lb-cap { color: var(--on-dark); font-size: 13px; letter-spacing: .05em; }
.lb-close {
  position: absolute; top: 20px; right: 24px; border: 0; background: transparent;
  color: #fff; font-size: 34px; line-height: 1;
}

/* ---------- 入场动画（默认可见 + 超时兜底） ---------- */
.reveal { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }
.js-anim .reveal { opacity: 0; transform: translateY(18px); }
.js-anim .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-anim .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1040px) {
  .nav-links { gap: 18px; }
  .nav .wrap { gap: 16px; }
  .hero-grid { min-height: 0; }
  .hero-copy { padding: 60px 34px 60px 0; }
  .work-copy { padding-left: 34px; }
  .work-row:nth-child(even) .work-copy { padding-right: 34px; }
  .about-grid, .contact-grid { gap: 40px; }
}

@media (max-width: 860px) {
  .wrap { width: min(100% - 40px, 1200px); }
  .nav .wrap { min-height: 68px; }
  .brand-logo { height: 42px; }
  .brand-text b { font-size: 16px; }
  .brand-text small { font-size: 9px; }
  .nav-toggle { display: block; order: 3; margin-left: auto; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--paper);
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow); padding: 8px 20px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line-soft); }
  .nav-actions { order: 2; }
  .nav-actions .btn { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 56px 0 40px; }
  .hero-visual { min-height: 320px; }
  .hero-visual::after { background: linear-gradient(180deg, var(--paper) 0%, rgba(251, 248, 240, 0) 18%); }
  .hero-index { grid-template-columns: repeat(2, 1fr); }
  .hero-index .cell:nth-child(2) { border-right: 0; }
  .hero-index .cell:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, .1); }
  .section { padding: 66px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 34px; }
  .flow-track { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .flow-track::before { display: none; }
  .flow-arrow { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .registry-card { max-width: 520px; }
  .work-row { grid-template-columns: 1fr; padding: 26px 0; gap: 20px; }
  .work-row:nth-child(even) .work-media { order: 0; }
  .work-row:nth-child(even) .work-copy { order: 0; padding-right: 0; }
  .work-media { min-height: 210px; }
  .work-copy { padding-left: 0; }
  .mat-grid, .video-grid { grid-template-columns: 1fr; }
  .contact { padding-top: 66px; }
}

@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .utility { font-size: 11px; }
  .utility .wrap { min-height: 34px; }
  .utility-right .hide-sm, .utility .sep { display: none; }
  .demo-bar .wrap { font-size: 11.5px; }
  .demo-bar strong { display: none; }
  .hero h1 { font-size: 34px; }
  .hero-lead { font-size: 15px; }
  .hero-actions .btn { flex: 1; min-width: 140px; }
  .hero-stamp { width: 72px; height: 72px; right: 16px; bottom: 16px; }
  .hero-stamp b { font-size: 19px; }
  .hero-index .cell { padding: 14px 12px; gap: 9px; }
  .hero-index .num { font-size: 20px; }
  .hero-index .txt { font-size: 12px; }
  .flow-step { padding-right: 10px; }
  .flow-dot { width: 54px; height: 54px; font-size: 18px; }
  .flow-step h3 { font-size: 15.5px; }
  .flow-step p { font-size: 12px; }
  .registry-card { padding: 24px 20px; }
  .reg-row { flex-direction: column; gap: 3px; }
  .reg-row .k { width: auto; }
  .contact-row { flex-direction: column; gap: 2px; }
  .contact-row .k { width: auto; }
  .footer .wrap { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- 手机端常驻一键拨打 ---------- */
.mobile-call { display: none; }
@media (max-width: 860px) {
  .mobile-call {
    display: flex; align-items: center; gap: 12px;
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 70;
    padding: 12px 16px; border-radius: 14px;
    background: linear-gradient(100deg, var(--green-deep), var(--green));
    color: #fff; text-decoration: none;
    border: 1px solid rgba(255, 255, 255, .18);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  }
  .mobile-call .mc-ico { font-size: 22px; line-height: 1; color: var(--amber); }
  .mobile-call .mc-txt { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
  .mobile-call .mc-txt b { font-size: 14px; letter-spacing: .04em; }
  .mobile-call .mc-txt small { font-family: var(--font-num); font-size: 15px; opacity: .92; }
  .mobile-call .mc-arrow { font-size: 20px; opacity: .8; }
  .mobile-call:active { transform: translateY(1px); }
  .to-top { bottom: 88px; }
  .footer { padding-bottom: 104px; }
}
@media (max-width: 560px) {
  .call-cta { gap: 10px; }
  .big-tel { font-size: 26px; }
  .copy-tel { font-size: 12px; padding: 7px 12px; }
}