/* ==========================================================================
   陕西创诚物业管理有限公司 · 官网样式
   设计基调：纸墨 + 墨绿 + 鎏金 + 印章红。大字、高对比、易读，面向物业甲方与年长业主。
   ========================================================================== */

:root {
  --ink: #15241d;
  --ink-2: #1c3128;
  --ink-3: #24402f;
  --paper: #f7f2e7;
  --paper-2: #efe7d7;
  --paper-3: #e7dcc8;
  --gold: #b08a4a;
  --gold-2: #d3b579;
  --gold-3: #8d6a33;
  --seal: #a63a2c;
  --seal-2: #8e2f22;
  --text: #2b2b26;
  --text-2: #565148;
  --line: rgba(21, 36, 29, 0.14);
  --line-light: rgba(247, 242, 231, 0.16);

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", Georgia, serif;
  --font-num: Georgia, "Times New Roman", "Songti SC", serif;

  --wrap: 1180px;
  --pad: clamp(20px, 4vw, 44px);
  --header-h: 112px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 纸张颗粒质感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.16'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, p { margin: 0; }

::selection { background: var(--gold-2); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--gold-3);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   顶部导航
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247, 242, 231, 0.9);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 242, 231, 0.97);
  box-shadow: 0 10px 30px -18px rgba(21, 36, 29, 0.35);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}

/* 印章标识 */
.seal {
  width: 68px;
  height: 68px;
  flex: none;
  background: var(--seal);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff8ee;
  font-family: var(--font-serif);
  font-size: 25px;
  line-height: 1.02;
  letter-spacing: 0;
  box-shadow: inset 0 0 0 1px rgba(255, 248, 238, 0.42), inset 0 0 18px rgba(0, 0, 0, 0.22);
  position: relative;
}
.seal::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(255, 248, 238, 0.3);
  border-radius: 1px;
  pointer-events: none;
}
.seal i { font-style: normal; }
.seal.small { width: 36px; height: 36px; font-size: 14px; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--ink);
}
.brand-text em {
  font-style: normal;
  font-size: 13.5px;
  letter-spacing: 0.28em;
  color: var(--gold-3);
  margin-top: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.site-nav a {
  position: relative;
  padding: 9px 8px;
  font-size: 14px;
  color: #3a3a33;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: color 0.25s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.site-nav a.is-active { color: var(--ink); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 14px; margin-left: 10px; }

.header-call {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 13px 8px 11px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  transition: background 0.28s ease, color 0.28s ease, transform 0.28s ease;
}
.header-call svg {
  width: 18px; height: 18px;
  fill: none;
  stroke: var(--seal);
  stroke-width: 1.6;
  stroke-linejoin: round;
  flex: none;
  transition: stroke 0.28s ease;
}
.header-call span { display: flex; flex-direction: column; line-height: 1.15; white-space: nowrap; }
.header-call small { font-size: 11px; color: var(--text-2); letter-spacing: 0.12em; }
.header-call b { font-family: var(--font-num); font-size: 16px; letter-spacing: 0.03em; color: var(--ink); }
.header-call:hover { background: var(--ink); }
.header-call:hover small { color: var(--gold-2); }
.header-call:hover b { color: var(--paper); }
.header-call:hover svg { stroke: var(--gold-2); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none; border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px; right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.25s ease;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   首屏
   ========================================================================== */

.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(48px, 7vw, 92px));
  padding-bottom: 0;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -6%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(176, 138, 74, 0.16), rgba(176, 138, 74, 0) 66%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--line);
}

.hero-watermark {
  position: absolute;
  right: clamp(-40px, -2vw, 10px);
  top: 24%;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: clamp(60px, 9vw, 148px);
  letter-spacing: 0.14em;
  color: rgba(21, 36, 29, 0.055);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(30px, 5vw, 76px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--gold-3);
  margin-bottom: 26px;
}
.eyebrow .dot {
  width: 7px; height: 7px;
  background: var(--seal);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(166, 58, 44, 0.12);
}

.hero h1 {
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: 0.015em;
  color: var(--ink);
}
.hero h1::first-line { letter-spacing: 0.02em; }

.hero-sub {
  margin-top: 26px;
  max-width: 33em;
  font-size: clamp(16.5px, 1.35vw, 18.5px);
  line-height: 1.95;
  color: var(--text-2);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 30px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  line-height: 1.2;
}
.btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; }

.btn-primary {
  background: var(--seal);
  color: #fff9f1;
  box-shadow: 0 14px 28px -16px rgba(166, 58, 44, 0.9), inset 0 0 0 1px rgba(255, 249, 241, 0.16);
}
.btn-primary:hover {
  background: var(--seal-2);
  transform: translateY(-2px);
  box-shadow: 0 20px 34px -18px rgba(166, 58, 44, 0.95), inset 0 0 0 1px rgba(255, 249, 241, 0.2);
}

.btn-ghost {
  border-color: rgba(21, 36, 29, 0.35);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.btn-lg { padding: 20px 40px; font-size: 18px; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-tags li {
  padding: 7px 15px;
  font-size: 14.5px;
  letter-spacing: 0.05em;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 2px;
}

/* 首屏团队照 · 画框式排版 */
.hero-figure { margin: 0; position: relative; }

.figure-frame {
  position: relative;
  aspect-ratio: 4 / 3.35;
  overflow: hidden;
  background: var(--paper-3);
  box-shadow: 0 30px 60px -34px rgba(21, 36, 29, 0.55);
}
.figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(21, 36, 29, 0.18);
  pointer-events: none;
}
.figure-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(0.95) contrast(1.02);
}
.hero-figure::before {
  content: "";
  position: absolute;
  inset: -14px -14px 40px -14px;
  border: 1px solid rgba(176, 138, 74, 0.5);
  z-index: 0;
  pointer-events: none;
}

.hero-figure figcaption {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}
.hero-figure .cap-no {
  flex: none;
  font-family: var(--font-serif);
  color: var(--gold-3);
  letter-spacing: 0.12em;
  font-size: 13px;
  padding-top: 2px;
}

/* 首屏底部条 */
.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: clamp(52px, 7vw, 88px);
  border-top: 1px solid rgba(21, 36, 29, 0.28);
}

.hero-strip li {
  padding: 26px 22px 30px;
  border-right: 1px solid var(--line);
  position: relative;
}
.hero-strip li:first-child { padding-left: 0; }
.hero-strip li:last-child { border-right: 0; }
.hero-strip b {
  display: block;
  font-size: clamp(19px, 1.7vw, 23px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.hero-strip span {
  display: block;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text-2);
}

/* ==========================================================================
   通用区块
   ========================================================================== */

.section {
  position: relative;
  padding: clamp(64px, 8vw, 118px) 0;
}

.sec-head { margin-bottom: clamp(40px, 5vw, 62px); }

.sec-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.sec-no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: 14px;
}
.sec-no::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin-left: 12px;
  opacity: 0.7;
}

.sec-head h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.sec-lead {
  margin-top: 14px;
  font-size: 16.5px;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.sec-side-note {
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--gold-3);
  padding-bottom: 8px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gold);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--ink);
  transition: gap 0.25s ease, color 0.25s ease;
}
.link-more span { transition: transform 0.25s ease; }
.link-more:hover { color: var(--seal); }
.link-more:hover span { transform: translateX(5px); }

/* ==========================================================================
   01 三句话说清楚
   ========================================================================== */

.section-intro .intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.6vw, 34px);
}

.intro-card {
  position: relative;
  padding: 40px 32px 38px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid var(--line);
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}
.intro-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 54px; height: 3px;
  background: var(--seal);
}
.intro-card:hover {
  transform: translateY(-6px);
  background: #fffdf7;
  box-shadow: 0 26px 46px -30px rgba(21, 36, 29, 0.42);
}

.intro-idx {
  display: block;
  font-size: 13px;
  color: var(--gold-3);
  letter-spacing: 0.22em;
  margin-bottom: 20px;
}

.intro-card h3 {
  font-size: clamp(21px, 1.9vw, 25px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 16px;
}

.intro-card p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-2);
}

.intro-note {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-top: clamp(30px, 4vw, 48px);
  padding: 26px 30px;
  background: var(--paper-2);
  border-left: 3px solid var(--seal);
}
.note-mark {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--seal);
  color: #fff;
  font-family: var(--font-num);
  font-size: 15px;
  line-height: 26px;
  text-align: center;
  margin-top: 4px;
}
.intro-note p { font-size: 16px; color: #403c34; }
.intro-note strong { color: var(--ink); font-weight: 700; }

/* ==========================================================================
   02 服务范围（深色区）
   ========================================================================== */

.section-services {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}
.section-services::before {
  content: "SERVICE";
  position: absolute;
  right: -30px;
  top: 40px;
  font-family: var(--font-num);
  font-size: clamp(80px, 14vw, 190px);
  letter-spacing: 0.06em;
  color: rgba(247, 242, 231, 0.035);
  line-height: 1;
  pointer-events: none;
}
.section-services .sec-head h2 { color: #fbf6ea; }
.section-services .sec-lead { color: rgba(247, 242, 231, 0.62); }
.section-services .sec-no { color: var(--gold-2); }
.section-services .sec-no::after { background: var(--gold-2); }
.section-services .link-more { color: var(--gold-2); border-color: rgba(211, 181, 121, 0.55); }
.section-services .link-more:hover { color: #fff; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.service-card {
  position: relative;
  padding: 38px 32px 34px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  transition: background 0.35s ease;
}
.service-card:hover { background: rgba(247, 242, 231, 0.05); }

.s-icon {
  width: 46px; height: 46px;
  color: var(--gold-2);
  margin-bottom: 22px;
  opacity: 0.92;
}
.s-icon svg {
  width: 100%; height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.s-no {
  position: absolute;
  top: 40px; right: 30px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(247, 242, 231, 0.34);
}

.service-card h3 {
  font-size: clamp(20px, 1.75vw, 24px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fbf6ea;
  margin-bottom: 16px;
}

.service-card ul { display: grid; gap: 9px; }
.service-card li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 242, 231, 0.7);
}
.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 5px; height: 1px;
  background: var(--gold);
}

/* ==========================================================================
   03 服务实景（瀑布流）
   ========================================================================== */

.section-gallery { background: var(--paper); }

.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 3.4vw, 46px) clamp(18px, 2.2vw, 30px);
}

.g-item { margin: 0; }

.g-thumb {
  position: relative;
  aspect-ratio: 4 / 3.05;
  overflow: hidden;
  background: var(--paper-3);
}
.g-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(21, 36, 29, 0.1);
  pointer-events: none;
}
.g-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.03) brightness(1.01);
  transition: transform 0.7s cubic-bezier(0.16, 0.7, 0.3, 1), filter 0.4s ease;
}
.g-item:hover .g-thumb img { transform: scale(1.04); filter: saturate(1) contrast(1.04); }
.g-item.g-up .g-thumb img { object-position: center 26%; }
.g-item.g-mid .g-thumb img { object-position: center 40%; }

.g-item figcaption {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.g-idx {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding-top: 3px;
}
.g-item b {
  display: block;
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 3px;
}
.g-desc {
  display: block;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ==========================================================================
   04 荣誉与保障（深色区）
   ========================================================================== */

.section-honor {
  background: var(--ink-2);
  color: var(--paper);
}

.honor-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(34px, 5vw, 74px);
  align-items: center;
}

.honor-photo {
  position: relative;
  padding: 14px;
  background: rgba(247, 242, 231, 0.05);
  border: 1px solid rgba(211, 181, 121, 0.4);
}
.honor-photo::after {
  content: "";
  position: absolute;
  inset: 26px;
  border: 1px solid rgba(211, 181, 121, 0.22);
  pointer-events: none;
}
.honor-crop {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #dfd8c8;
}
.honor-crop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.14);
  filter: saturate(0.96) contrast(1.04);
}
.honor-badge {
  position: absolute;
  right: -14px;
  bottom: -14px;
  padding: 9px 16px;
  background: var(--seal);
  color: #fff6ea;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  box-shadow: 0 12px 26px -12px rgba(0, 0, 0, 0.7);
}

.honor-copy .sec-head { margin-bottom: 26px; }
.honor-copy .sec-head h2 { color: #fbf6ea; }
.honor-copy .sec-no { color: var(--gold-2); }
.honor-copy .sec-no::after { background: var(--gold-2); }

.honor-quote {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.5vw, 33px);
  line-height: 1.5;
  color: #fdf8ec;
  letter-spacing: 0.06em;
  padding-left: 22px;
  border-left: 2px solid var(--gold);
  margin-bottom: 22px;
}
.honor-quote span {
  display: block;
  font-family: var(--font-sans);
  font-size: 13.5px;
  letter-spacing: 0.1em;
  color: rgba(247, 242, 231, 0.58);
  margin-top: 10px;
}

.honor-copy > p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(247, 242, 231, 0.7);
}

.assure-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 34px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.assure-list li {
  padding: 24px 22px;
  background: var(--ink-2);
  transition: background 0.3s ease;
}
.assure-list li:hover { background: rgba(247, 242, 231, 0.05); }
.assure-list b {
  display: block;
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--gold-2);
  margin-bottom: 8px;
  font-weight: 700;
}
.assure-list span {
  display: block;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 242, 231, 0.68);
}

/* ==========================================================================
   05 关于我们
   ========================================================================== */

.story-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(34px, 5vw, 76px);
  align-items: start;
}

.story-copy p {
  font-size: 16.5px;
  line-height: 2.05;
  color: var(--text-2);
  margin-bottom: 20px;
  max-width: 36em;
}
.story-copy p:first-of-type { font-size: 17.5px; color: #3a372f; }

.story-sign {
  margin-top: 30px;
  padding-left: 20px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.story-photos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}
.sp { margin: 0; position: relative; overflow: hidden; }
.sp:nth-child(2) { margin-left: 0; margin-top: 0; }
.sp img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3.35;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.02);
  transition: transform 0.7s cubic-bezier(0.16, 0.7, 0.3, 1);
}
.sp:hover img { transform: scale(1.03); }
.sp figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold-3);
  padding-left: 12px;
  border-left: 1px solid var(--gold);
}

/* ==========================================================================
   06 合作流程
   ========================================================================== */

.section-process {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid rgba(21, 36, 29, 0.24);
}

.steps li {
  position: relative;
  padding: 34px 24px 10px;
  border-right: 1px solid var(--line);
}
.steps li:last-child { border-right: 0; }
.steps li::before {
  content: "";
  position: absolute;
  top: -4px; left: 24px;
  width: 7px; height: 7px;
  background: var(--seal);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--paper-2);
}

.step-no {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  letter-spacing: 0.06em;
  color: rgba(21, 36, 29, 0.3);
  margin-bottom: 14px;
  transition: color 0.3s ease;
}
.steps li:hover .step-no { color: var(--seal); }

.steps h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 10px;
}
.steps p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ==========================================================================
   07 联系我们（深色区）
   ========================================================================== */

.section-contact {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}
.section-contact::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -320px;
  width: 900px;
  height: 640px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(176, 138, 74, 0.16), rgba(176, 138, 74, 0) 68%);
  pointer-events: none;
}
.section-contact .sec-head h2 { color: #fbf6ea; }
.section-contact .sec-lead { color: rgba(247, 242, 231, 0.62); }
.section-contact .sec-no { color: var(--gold-2); }
.section-contact .sec-no::after { background: var(--gold-2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(34px, 5vw, 70px);
  align-items: start;
}

.cm-label {
  display: block;
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--gold-2);
  margin-bottom: 8px;
}

.cm-phone {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(42px, 6.2vw, 82px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: #fff8ea;
  transition: color 0.3s ease;
  word-break: break-word;
}
.cm-phone:hover { color: var(--gold-2); }

.cm-tip {
  margin: 16px 0 28px;
  font-size: 15.5px;
  color: rgba(247, 242, 231, 0.6);
  letter-spacing: 0.02em;
}

.section-contact .btn-primary { background: var(--gold); color: #1b2a22; }
.section-contact .btn-primary:hover { background: var(--gold-2); }

.contact-info {
  border-top: 1px solid var(--line-light);
}
.contact-info dl > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--line-light);
}
.contact-info dt {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: rgba(247, 242, 231, 0.45);
  padding-top: 3px;
}
.contact-info dd {
  font-size: 16.5px;
  line-height: 1.7;
  color: #f4eddf;
  letter-spacing: 0.02em;
}
.contact-info dd small {
  display: block;
  font-size: 13px;
  color: rgba(247, 242, 231, 0.48);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer {
  background: #101c16;
  color: rgba(247, 242, 231, 0.72);
  padding: 50px 0 26px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(247, 242, 231, 0.12);
}
.footer-brand { display: flex; gap: 14px; align-items: flex-start; }
.footer-brand strong {
  display: block;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: #f6efe2;
  font-weight: 700;
}
.footer-brand em {
  display: block;
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 231, 0.5);
  margin-top: 7px;
}
.footer-contact { text-align: right; }
.footer-contact a {
  font-family: var(--font-num);
  font-size: 24px;
  color: var(--gold-2);
  letter-spacing: 0.03em;
}
.footer-contact p { font-size: 12.5px; letter-spacing: 0.05em; color: rgba(247, 242, 231, 0.45); margin-top: 6px; }

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 231, 0.34);
}

/* ==========================================================================
   移动端底部快捷条
   ========================================================================== */

.mobile-bar { display: none; }

/* ==========================================================================
   滚动入场
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s cubic-bezier(0.22, 0.68, 0.28, 1), transform 0.85s cubic-bezier(0.22, 0.68, 0.28, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   响应式
   ========================================================================== */

/* 1025–1200：保留桌面导航，但收紧品牌与导航间距，避免电话被挤出 */
@media (min-width: 1025px) and (max-width: 1200px) {
  :root { --header-h: 94px; }
  .header-inner { gap: 14px; }
  .brand { gap: 10px; }
  .brand-text strong { font-size: 18.5px; letter-spacing: 0.05em; }
  .brand-text em { font-size: 11px; letter-spacing: 0.2em; }
  .seal { width: 50px; height: 50px; font-size: 18px; }
  .site-nav { gap: 2px; }
  .site-nav a { padding: 8px 7px; font-size: 14px; }
  .header-call { padding: 8px 11px 8px 9px; }
  .header-call b { font-size: 15px; }
  .header-call small { display: none; }
}

@media (max-width: 1080px) {
  .site-nav a { padding: 8px 7px; font-size: 14px; }
  .header-call small { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps li:nth-child(3) { border-right: 0; }
  .steps li:nth-child(n+4) { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 30px; }
  .steps li:nth-child(n+4)::before { top: 14px; }
}

@media (max-width: 1024px) {
  :root { --header-h: 82px; }

  .header-inner { gap: 12px; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    display: grid;
    background: rgba(247, 242, 231, 0.985);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    padding: 10px var(--pad) 18px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    gap: 0;
    box-shadow: 0 24px 40px -30px rgba(21, 36, 29, 0.5);
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav a {
    padding: 14px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--line);
  }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav a::after { display: none; }

  .nav-toggle { display: none; }
  .header-actions .nav-toggle { display: block; }
  .header-actions { margin-left: auto; }
  .header-call { padding: 8px 12px; }
  .header-call b { font-size: 15px; }
  .brand-text strong { font-size: 18px; letter-spacing: 0.04em; }
  .brand-text em { font-size: 12px; letter-spacing: 0.18em; }
  .seal { width: 52px; height: 52px; font-size: 19px; }

  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-figure { max-width: 520px; }
  .figure-frame { aspect-ratio: 4 / 3.3; }
  .hero-figure::before { inset: -10px -10px 44px -10px; }

  .hero-strip { grid-template-columns: 1fr 1fr; }
  .hero-strip li:nth-child(odd) { padding-left: 0; }
  .hero-strip li:nth-child(2n) { border-right: 0; }
  .hero-strip li:nth-child(n+3) { border-top: 1px solid var(--line); }

  .intro-grid { grid-template-columns: 1fr; }
  .honor-grid, .story-grid, .contact-grid { grid-template-columns: 1fr; }
  .honor-photo { max-width: 560px; }
  .story-photos { grid-template-columns: 1fr 1fr; }
  .sp:nth-child(2) { margin-left: 0; margin-top: 0; }
  .assure-list { grid-template-columns: 1fr; }

  .section { padding: 66px 0; }
}

@media (max-width: 640px) {
  body { font-size: 16px; padding-bottom: 68px; }

  .header-call { display: none; }
  .brand-text strong { font-size: 16px; }
  .brand-text em { font-size: 10.5px; }
  .seal { width: 46px; height: 46px; font-size: 16.5px; }

  .wrap { padding: 0 18px; }
  .hero { padding-top: calc(var(--header-h) + 34px); }
  .hero h1 { font-size: clamp(34px, 10vw, 46px); }
  .hero-sub { font-size: 16px; line-height: 1.85; }
  .hero-cta { display: grid; gap: 10px; }
  .btn { width: 100%; padding: 16px 20px; font-size: 16px; }
  .btn-lg { padding: 18px 20px; }

  .hero-strip { grid-template-columns: 1fr; margin-top: 44px; }
  .hero-strip li { padding: 20px 0 !important; border-right: 0; border-top: 1px solid var(--line); }
  .hero-strip li:first-child { border-top: 0; }
  .hero-strip b { font-size: 19px; }

  .sec-head-row { align-items: flex-start; }
  .link-more { font-size: 14.5px; }
  .sec-side-note { display: none; }
  .sec-head h2 { font-size: 28px; }

  .gallery { grid-template-columns: 1fr; gap: 30px; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card { padding: 30px 24px 28px; }
  .service-card li { font-size: 15.5px; }
  .section-services::before { display: none; }

  .cm-phone { font-size: clamp(38px, 12vw, 52px); }
  .contact-info dl > div { grid-template-columns: 76px 1fr; gap: 12px; }
  .contact-info dd { font-size: 15.5px; }

  .story-photos { grid-template-columns: 1fr; }

  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li:nth-child(3) { border-right: 0; border-top: 1px solid var(--line); padding: 24px 0 10px !important; margin-top: 0 !important; }
  .steps li:first-child { border-top: 0; }
  .steps li::before, .steps li:nth-child(n+4)::before { left: 0; top: 8px; }

  .mobile-bar {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 8px;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 120;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(247, 242, 231, 0.96);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
    box-shadow: 0 -14px 30px -22px rgba(21, 36, 29, 0.5);
  }
  .mobile-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    font-size: 16.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 4px;
  }
  .mb-call { background: var(--seal); color: #fff8ee; }
  .mb-call svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
  .mb-ghost { border: 1px solid rgba(21, 36, 29, 0.28); color: var(--ink); }

  .footer-inner { flex-direction: column; }
  .footer-contact { text-align: left; }
  .footer-base { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .g-item img, .sp img, .btn, .intro-card { transition: none; }
}