/* ============================================================
   枪花影像 · 枪花视觉影像机构
   设计 token：暖调近黑底 / 纸灰字 / 锈红单强调
   中文标题宋体 · 拉丁标签 Futura 栈全大写宽字距
   ============================================================ */

:root {
  color-scheme: dark;
  --ink: #12110f;
  --ink-2: #1b1a17;
  --ink-3: #232019;
  --paper: #e8e4dc;
  --paper-dim: #9a958a;
  --rust: #9e3b2e;
  --line: rgba(232, 228, 220, 0.14);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --latin: "Futura", "Futura PT", "Avenir Next", "Century Gothic", "Helvetica Neue", Arial, sans-serif;
  --latin-serif: Georgia, "Times New Roman", serif;
  --w: min(1280px, calc(100vw - clamp(40px, 8vw, 120px)));
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--rust); color: var(--paper); }

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

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

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

/* ---------- 拉丁微标签 ---------- */
.label {
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

/* ============================================================
   顶栏
   ============================================================ */
.site-head {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px clamp(20px, 4vw, 56px);
  transition: background 0.35s ease, padding 0.35s ease;
}
.site-head.solid {
  background: rgba(18, 17, 15, 0.92);
  backdrop-filter: blur(10px);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--paper);
}
.brand-name::after {
  content: ".";
  color: var(--rust);
  margin-left: 2px;
}
.brand-latin {
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--paper-dim);
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  gap: clamp(22px, 3vw, 44px);
  list-style: none;
}
.main-nav a {
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-dim);
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--paper); }
.main-nav a[aria-current="page"] { color: var(--paper); }
.main-nav a[aria-current="page"]::after {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  background: var(--rust);
  margin-top: 6px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--paper);
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 8px 0;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--ink);
    display: none;
    align-items: center;
    justify-content: center;
  }
  .main-nav.open { display: flex; }
  .main-nav ul {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }
  .main-nav a { font-size: 14px; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 40%;
  filter: brightness(0.92) saturate(0.96);
  animation: hero-drift 26s ease-in-out infinite alternate;
}
@keyframes hero-drift {
  from { transform: scale(1); }
  to   { transform: scale(1.06); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-media img { animation: none; }
}
@media (max-width: 760px) {
  .hero-media img { object-position: 74% 30%; }
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(18, 17, 15, 0.82) 0%, rgba(18, 17, 15, 0.12) 45%),
    linear-gradient(to bottom, rgba(18, 17, 15, 0.5) 0%, rgba(18, 17, 15, 0) 26%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: var(--w);
  margin: 0 auto;
  padding-bottom: clamp(48px, 7vh, 88px);
}
.hero-slogan {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(40px, 7.2vw, 96px);
  line-height: 1.18;
  letter-spacing: 0.06em;
  color: var(--paper);
}
.hero-slogan .dot { color: var(--rust); }
.hero-slogan .hero-mark {
  margin-left: 0.22em;
  letter-spacing: 0.18em;
  color: var(--paper);
}
.hero-sub {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  color: var(--paper-dim);
  font-size: 14px;
  letter-spacing: 0.12em;
}
.hero-sub .sep { width: 1px; height: 14px; background: var(--line); }

.hero-cta {
  display: inline-block;
  margin-top: 36px;
  padding: 14px 34px;
  border: 1px solid rgba(232, 228, 220, 0.35);
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.hero-cta:hover {
  background: var(--rust);
  border-color: var(--rust);
}

/* ============================================================
   通用 section 骨架
   ============================================================ */
.section {
  width: var(--w);
  margin: 0 auto;
  padding: clamp(88px, 14vh, 160px) 0;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 22px;
  margin-bottom: clamp(40px, 6vh, 72px);
}
.section-head .cn {
  font-family: var(--serif);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.section-head .en {
  font-family: var(--latin);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
/* 语义化标题（2026-10-26 GEO 体检）：section-head 里的中文标题用真 h2，视觉不变 */
.section-head h2.cn { margin: 0; }
/* 只给爬虫与读屏的结构性小标题，视觉不占位 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 细竖线（胶片暗示），只在宽屏 */
@media (min-width: 1100px) {
  .film-line {
    position: fixed;
    top: 0;
    bottom: 0;
    left: calc(clamp(40px, 8vw, 120px) * 0.5);
    width: 1px;
    background: var(--line);
    z-index: 1;
    pointer-events: none;
  }
}

/* ============================================================
   宣言
   ============================================================ */
.statement {
  border-top: 1px solid var(--line);
}
.statement h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.7;
  letter-spacing: 0.06em;
  max-width: 22em;
}
.statement h2 em {
  font-style: normal;
  color: var(--rust);
}
.statement p {
  margin-top: 28px;
  max-width: 34em;
  color: var(--paper-dim);
  font-size: 15px;
}

/* ============================================================
   精选作品 · 偏置错位网格
   ============================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 3.5vw, 56px) clamp(16px, 2.4vw, 32px);
}
.work { position: relative; }
.work figure {
  overflow: hidden;
  background: var(--ink-2);
}
.work img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), filter 0.7s ease;
}
.work:hover img {
  transform: scale(1.035);
  filter: brightness(1.04);
}
.work figcaption {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.work .cap-cn { font-size: 14px; letter-spacing: 0.08em; }
.work .cap-en {
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-dim);
  white-space: nowrap;
}
/* 竖版英文注（2026-10-26）：固定格式含场景与城市，竖版列窄放不下，
   让英文注独占一行显示在中文图注下方，保持右侧对齐层次 */
.work.tall figcaption { flex-wrap: wrap; row-gap: 4px; }
.work.tall .cap-cn { flex: 1 1 auto; }
.work.tall .cap-en { flex-basis: 100%; text-align: right; }
/* 文章正文插图（figure 在 section 之间，需自行套用版心容器再对齐正文宽） */
.art-fig {
  width: var(--w);
  margin: clamp(28px, 5vw, 46px) auto;
  font-size: 15px; /* em 基准与 .prose 一致 */
}
.art-fig img {
  width: 100%;
  max-width: 36em; /* 与 .prose 正文同宽、左对齐 */
  height: auto;
  display: block;
}
.art-fig figcaption {
  max-width: 36em;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
  text-align: left;
}
/* 错位节奏（2026-10-25 起不再固定比例：高度跟随图片本身） */
.work.w1 { grid-column: 1 / span 7; }
.work.w2 { grid-column: 9 / span 4; margin-top: clamp(60px, 10vh, 140px); }
.work.w3 { grid-column: 2 / span 5; margin-top: clamp(10px, 4vh, 48px); }
.work.w4 { grid-column: 8 / span 5; }
.work.w5 { grid-column: 1 / span 5; }
.work.w6 { grid-column: 7 / span 6; margin-top: clamp(50px, 9vh, 120px); }
.work figure { height: auto; }
@media (max-width: 760px) {
  .works-grid { display: block; }
  .work { margin-bottom: 44px; }
  .work figure { height: auto; }
  .work img { aspect-ratio: auto; height: auto; }
}

.more-link {
  display: inline-block;
  margin-top: clamp(48px, 8vh, 88px);
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-dim);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.more-link:hover { color: var(--paper); border-color: var(--rust); }

/* ============================================================
   壁垒 · 细线列表
   ============================================================ */
.edges { border-top: 1px solid var(--line); }
.edge {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: clamp(28px, 4.5vh, 44px) 0;
  border-bottom: 1px solid var(--line);
}
.edge-tag {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.16em;
}
.edge-tag small {
  display: block;
  margin-top: 10px;
  font-family: var(--latin);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--rust);
}
.edge-body { color: var(--paper-dim); font-size: 15px; max-width: 46em; }
.edge-body strong { color: var(--paper); font-weight: 600; }
@media (max-width: 760px) {
  .edge { grid-template-columns: 1fr; gap: 12px; }
}

/* ============================================================
   满出血节奏图
   ============================================================ */
.bleed {
  width: 100%;
  height: clamp(380px, 72vh, 720px);
  overflow: hidden;
}
.bleed img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9);
}
.bleed-note {
  width: var(--w);
  margin: 0 auto;
  padding: 18px 0 0;
  display: flex;
  justify-content: space-between;
  color: var(--paper-dim);
  font-size: 12px;
  letter-spacing: 0.14em;
}

/* ============================================================
   流程 · 真实序列
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 4vw, 56px);
}
.step {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.step .no {
  font-family: var(--latin-serif);
  font-size: 15px;
  color: var(--rust);
  letter-spacing: 0.1em;
}
.step h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin: 14px 0 12px;
}
.step p { color: var(--paper-dim); font-size: 14px; }
@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* ============================================================
   页面大标题（内页）
   ============================================================ */
.page-title {
  padding: clamp(150px, 24vh, 240px) 0 clamp(40px, 7vh, 80px);
  width: var(--w);
  margin: 0 auto;
}
.page-title h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(38px, 6vw, 76px);
  letter-spacing: 0.08em;
  line-height: 1.25;
}
.page-title .lede {
  margin-top: 22px;
  color: var(--paper-dim);
  max-width: 34em;
  font-size: 15px;
}

/* ============================================================
   作品页网格
   ============================================================ */
.archive {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(16px, 2.4vw, 32px);
}
/* 排版规则（2026-10-25 定稿）：基准 = 6 列
   竖图占 2 格（1/3 宽）；横图占 4 格（= 2 幅竖图宽）；
   两张横图相邻时各占 3 格 → 均分一行 */
.archive .work { grid-column: span 2; }
.archive .work.tall { grid-column: span 2; }
.archive .work figure { height: auto; }
.archive .work.wide { grid-column: span 4; }
.archive .work.wide figure { height: auto; }
.archive .work.wide:has(+ .work.wide),
.archive .work.wide + .work.wide { grid-column: span 3; }
/* 通栏：独占一行、全宽，高度按原图比例 */
.archive .work.bleed { grid-column: 1 / -1; }
@media (max-width: 760px) {
  .archive { display: block; }
  .archive .work { margin-bottom: 44px; }
}

/* ============================================================
   关于页
   ============================================================ */
.founder {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
}
.founder-photo { aspect-ratio: 3 / 4; overflow: hidden; background: var(--ink-2); }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.95); }
.founder h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 600;
  letter-spacing: 0.12em;
  margin: 10px 0 6px;
}
.founder .role { color: var(--paper-dim); font-size: 13px; letter-spacing: 0.2em; }
.founder p { margin-top: 24px; color: var(--paper-dim); font-size: 15px; max-width: 32em; }
.creds {
  margin-top: 36px;
  list-style: none;
  border-top: 1px solid var(--line);
}
.creds li {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--paper);
}
.creds li::before {
  content: "";
  width: 5px; height: 5px;
  background: var(--rust);
  flex: none;
  transform: translateY(-2px);
}
@media (max-width: 860px) {
  .founder { grid-template-columns: 1fr; }
  .founder-photo { max-width: 480px; }
}

/* ============================================================
   联系页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(36px, 6vw, 96px);
}
.contact-info h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.6;
}
.contact-tel {
  display: block;
  margin: 28px 0 8px;
  font-family: var(--latin);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
  transition: color 0.2s ease;
}
.contact-tel:hover { color: var(--rust); }
.contact-note { color: var(--paper-dim); font-size: 13px; letter-spacing: 0.1em; }
.contact-meta {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}
.contact-meta div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.contact-meta dt { color: var(--paper-dim); letter-spacing: 0.14em; }
.contact-meta dd { color: var(--paper); }

.inquiry { border-top: 1px solid var(--line); }
.inquiry .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.field { margin-top: 26px; }
.field label {
  display: block;
  font-family: var(--latin);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 10px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  padding: 10px 0;
  border-radius: 0;
  transition: border-color 0.2s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--rust);
}
.field select { appearance: none; cursor: pointer; }
.field option { color: var(--ink); }
.inquiry button {
  margin-top: 40px;
  padding: 16px 44px;
  background: var(--rust);
  border: none;
  color: var(--paper);
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease;
}
.inquiry button:hover { background: #b4493a; }
.form-hint {
  margin-top: 16px;
  font-size: 12px;
  color: var(--paper-dim);
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .inquiry .row { grid-template-columns: 1fr; gap: 0; }
}

/* ============================================================
   CTA / 页脚
   ============================================================ */
.cta {
  text-align: left;
  border-top: 1px solid var(--line);
}
.cta h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 4.4vw, 54px);
  letter-spacing: 0.08em;
  line-height: 1.5;
  max-width: 20em;
}
.cta .row {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px 36px;
}
.btn-solid {
  display: inline-block;
  padding: 16px 40px;
  background: var(--rust);
  color: var(--paper);
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transition: background 0.2s ease;
}
.btn-solid:hover { background: #b4493a; }
.cta .tel-inline {
  font-family: var(--latin);
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
  transition: color 0.2s ease;
}
.cta .tel-inline:hover { color: var(--paper); }

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: clamp(80px, 12vh, 140px);
}
.site-foot .inner {
  width: var(--w);
  margin: 0 auto;
  padding: 44px 0 56px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px 40px;
  color: var(--paper-dim);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.site-foot .foot-meta span { display: block; line-height: 2; }
/* 注册商标符号：置于「枪花」右上角，小号上标，不受字距影响（页脚/实体卡/geo-knowledge 通用） */
sup.reg-mark {
  font-size: 0.62em;
  line-height: 1;
  vertical-align: super;
  letter-spacing: 0;
  margin-left: 0.04em;
}
/* 文章页有固定底部导航（.art-nav），页脚需预留高度避免遮挡版权行 */
body:has(.art-nav) .site-foot .inner {
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
}
.site-foot .inner nav {
  display: flex;
  gap: 28px;
}
.site-foot .inner nav a {
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.site-foot .inner nav a:hover { color: var(--paper); }

/* ============================================================
   入场动效
   ============================================================ */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}
html.js .reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   GEO 内容层组件
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.nav-en {
  font-family: var(--latin);
  font-size: 9px;
  letter-spacing: 0.24em;
  opacity: 0.55;
}

/* 结论前置 */
.lede-block {
  border-bottom: 1px solid var(--line);
  padding-top: clamp(64px, 9vh, 104px);
  padding-bottom: clamp(56px, 8vh, 88px);
}
.lede-answer {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.95;
  letter-spacing: 0.03em;
  max-width: 30em;
  margin-top: 26px;
  color: var(--paper);
}
.lede-links {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}
.lede-links a {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--paper-dim);
  border-bottom: 1px solid var(--line);
  padding-bottom: 5px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.lede-links a:hover { color: var(--paper); border-color: var(--rust); }

/* 服务条 */
.svc-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(18px, 2.6vw, 40px);
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.svc-strip li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.svc-no {
  font-family: var(--latin-serif);
  font-size: 13px;
  color: var(--rust);
  letter-spacing: 0.1em;
}
.svc-strip strong {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.svc-strip span:last-child { color: var(--paper-dim); font-size: 13px; }
@media (max-width: 760px) {
  .svc-strip { grid-template-columns: 1fr 1fr; }
}

/* 表格 */
.table-wrap { overflow-x: auto; border-top: 1px solid var(--line); }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  font-size: 14px;
}
.spec-table th,
.spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.8;
}
.spec-table thead th {
  font-family: var(--latin);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--paper-dim);
  padding-top: 14px;
  padding-bottom: 14px;
}
.spec-table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
  letter-spacing: 0.06em;
}
.spec-table td { color: var(--paper-dim); }
.spec-table td strong { color: var(--paper); font-weight: 500; }
.spec-table td.dim { color: var(--paper-dim); font-size: 13px; }
.spec-table a { border-bottom: 1px solid var(--line); }
.spec-table a:hover { border-color: var(--rust); }

/* 问答块 */
.qa-list { border-top: 1px solid var(--line); }
.qa {
  padding: clamp(24px, 3.4vh, 34px) 0;
  border-bottom: 1px solid var(--line);
  max-width: 52em;
}
.qa h3 {
  font-family: var(--serif);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--paper);
}
.qa p {
  margin-top: 12px;
  color: var(--paper-dim);
  font-size: 15px;
  line-height: 1.95;
}
.faq-group + .faq-group { margin-top: clamp(56px, 8vh, 88px); }
.faq-group-title {
  font-family: var(--latin);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 18px;
}

/* 目录 */
.toc {
  width: var(--w);
  margin: 0 auto;
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
}
.toc ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 16px;
}
.toc a {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--paper-dim);
}
.toc a:hover { color: var(--paper); }

/* 地域 */
.area-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(28px, 5vw, 72px);
}
.area-row {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.area-row h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.area-row p { color: var(--paper-dim); font-size: 14px; }
.area-tag {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--latin);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rust);
  border: 1px solid rgba(158, 59, 46, 0.5);
  padding: 2px 7px;
  vertical-align: 2px;
}
@media (max-width: 760px) {
  .area-grid { grid-template-columns: 1fr; }
}

/* 实体信息卡 */
.entity-card {
  border-top: 1px solid var(--line);
  margin-top: clamp(56px, 9vh, 96px);
  padding-bottom: clamp(48px, 7vh, 72px);
}
.entity-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
}
.entity-card h2 {
  font-family: var(--serif);
  font-size: clamp(21px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin: 14px 0 16px;
}
.entity-line {
  color: var(--paper-dim);
  font-size: 13.5px;
  line-height: 1.95;
  max-width: 34em;
}
.entity-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  align-content: start;
}
.entity-facts div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
}
.entity-facts dt {
  color: var(--paper-dim);
  font-family: var(--latin);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-top: 3px;
}
.entity-facts dd { color: var(--paper); }
.entity-facts a { border-bottom: 1px solid var(--line); }
.entity-more {
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: 0.1em;
}
.entity-more a { color: var(--paper-dim); border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.entity-more a:hover { color: var(--paper); border-color: var(--rust); }
@media (max-width: 860px) {
  .entity-inner { grid-template-columns: 1fr; }
  .entity-facts { grid-template-columns: 1fr; }
}

/* 待补项 */
.todo-list {
  list-style: none;
  border-top: 1px solid var(--line);
}
.todo-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: 14px;
}
.todo-list strong { color: var(--paper); font-weight: 600; }

/* 作品页：figure 直接作为网格单元 */
.archive figure.work {
  grid-column: span 2;
  margin: 0;
  align-self: start;   /* 不被 grid 行拉伸，否则图片会被 height:100% 撑变形 */
}
.archive figure.work.wide { grid-column: span 4; }
.archive figure.work.wide:has(+ figure.work.wide),
.archive figure.work.wide + figure.work.wide { grid-column: span 3; }
.archive figure.work.bleed { grid-column: 1 / -1; }
.archive figure.work img { width: 100%; height: auto; display: block; }
.archive figure.work.wide img { height: auto; }
@media (max-width: 760px) {
  .archive figure.work { grid-column: 1 / -1; margin-bottom: 36px; }
}

/* ============================================================
   新增组件：评价 / 场景卡 / 资讯 / 案例 / 政策
   ============================================================ */

/* 客户评价 */
.review-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 2.6vw, 36px);
  margin-top: 8px;
}
.review {
  margin: 0;
  border-top: 1px solid var(--line);
  padding: 20px 0 6px;
}
.review blockquote {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(16px, 1.9vw, 21px);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--paper);
}
.review figcaption {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper-dim);
}
.review-note {
  margin-top: 26px;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--paper-dim);
  max-width: 40em;
}

/* 作品页场景入口 */
.scene-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 1.8vw, 26px);
}
@media (max-width: 1100px) {
  .scene-cards { grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2.4vw, 32px); }
}
.scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  padding: 24px 22px 20px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.scene-card:hover { border-color: var(--rust); }
.scene-no {
  font-family: var(--latin-serif, Georgia, serif);
  font-size: 13px;
  color: var(--rust);
  letter-spacing: 0.1em;
}
.scene-name {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.scene-city { font-size: 12px; letter-spacing: 0.08em; color: var(--paper-dim); }
.scene-desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--paper-dim);
  flex: 1;
}
.more-inline {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--paper);
  margin-top: 8px;
}
.scene-card:hover .more-inline { color: var(--rust); }

/* 案例页元信息 */
.case-meta {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 44px;
}
.case-meta div { display: flex; gap: 12px; align-items: baseline; }
.case-meta dt {
  font-family: var(--latin);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.case-meta dd { margin: 0; font-size: 13.5px; letter-spacing: 0.06em; color: var(--paper); }

/* 资讯 */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 44px);
}
.news-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 22px 0 26px;
  color: inherit;
  text-decoration: none;
}
.news-card:hover h2 { color: var(--rust); }
.news-date {
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--paper-dim);
}
.news-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--rust);
}
.news-card h2 {
  font-family: var(--serif);
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin: 0;
  transition: color 0.2s ease;
}
.news-card p {
  margin: 0;
  color: var(--paper-dim);
  font-size: 13.5px;
  line-height: 1.9;
  flex: 1;
}
.news-card .more-inline { margin-top: 6px; }

/* 文章页 */
.byline {
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--paper-dim);
}
.prose {
  max-width: 36em;
  font-size: 15px;
  line-height: 2.05;
  color: var(--paper-dim);
}
.prose + .prose { margin-top: 14px; }
article h2 {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.6;
  margin: clamp(40px, 6vh, 64px) 0 18px;
  color: var(--paper);
}
article .prose { margin-left: 0; }
.contact-box {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.contact-box .prose { color: var(--paper); font-size: 14px; }

/* 隐私政策 */
.privacy {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-size: 12.5px;
  color: var(--paper-dim);
}
.privacy summary {
  cursor: pointer;
  letter-spacing: 0.1em;
  color: var(--paper-dim);
  list-style-position: inside;
}
.privacy summary:hover { color: var(--paper); }
.privacy p {
  margin: 12px 0 0;
  line-height: 1.95;
  font-size: 12.5px;
}

@media (max-width: 760px) {
  .review-list { grid-template-columns: 1fr; }
  .scene-cards { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .case-meta { flex-direction: column; gap: 10px; }
}

/* ============================================================
   手机端优先优化
   ============================================================ */
body { -webkit-tap-highlight-color: transparent; }
@media (max-width: 760px) {
  /* 触控目标：所有可点元素不小于 44px 高 */
  .main-nav a { display: inline-block; padding: 10px 16px; }
  .btn-solid, .more-link, .tel-inline, .hero-cta { min-height: 46px; display: inline-flex; align-items: center; }
  .nav-toggle { padding: 12px 0; }
  /* 长词与地址换行 */
  .entity-facts dd, .contact-meta dd, .prose, .lede-answer { overflow-wrap: anywhere; }
  /* 表格滚动提示 */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  /* 标题字距在窄屏略收紧 */
  .page-title h1 { letter-spacing: 0.05em; }
  .qa h3 { line-height: 1.75; }
  /* 表单控件 */
  .inquiry input, .inquiry select, .inquiry textarea { font-size: 16px; } /* 防 iOS 聚焦缩放 */
  /* 底部安全区 */
  .site-foot .inner { padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
}

/* ============================================================
   2026-10-22 增补：关键词行 / 文章导航 / 延伸阅读 / 服务模块 / 粘性导航
   ============================================================ */
.kw-line {
  margin-top: 18px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--rust);            /* 关键词统一红色（2026-10-23 口径：全站文章关键词行统一红） */
  max-width: 46em;
}

/* 文章页固定底部导航 */
.art-nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
  background: rgba(18, 17, 15, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}
.art-nav a {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--paper);
  padding: 6px 10px;
}
.art-nav a:hover { color: var(--rust); }
.art-nav span { color: var(--paper-dim); font-size: 11px; }

/* 延伸阅读 */
.related-list {
  list-style: none;
  border-top: 1px solid var(--line);
  max-width: 52em;
}
.related-list li {
  border-bottom: 1px solid var(--line);
}
.related-list a {
  display: block;
  padding: 18px 0;
  font-family: var(--serif);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.8;
  color: var(--paper-dim);
  transition: color 0.2s ease;
}
.related-list a::before {
  content: "→ ";
  color: var(--rust);
  font-family: var(--latin);
}
.related-list a:hover { color: var(--paper); }

/* 资讯页粘性栏目导航（top 需避开 fixed 顶栏，否则会被顶栏盖住看似失效） */
.toc-sticky {
  position: sticky;
  top: 66px;
  z-index: 30;
  background: rgba(18, 17, 15, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding-top: 18px;
  padding-bottom: 12px;
}

/* 服务页：四步流程 */
.steps-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2.2vw, 30px);
  counter-reset: step;
}
.steps-grid li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 20px 0 24px;
}
.step-no {
  font-family: var(--latin-serif, Georgia, serif);
  font-size: 13px;
  color: var(--rust);
  letter-spacing: 0.1em;
}
.steps-grid h3 {
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.steps-grid p {
  color: var(--paper-dim);
  font-size: 13.5px;
  line-height: 1.85;
}
@media (max-width: 900px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 服务页：拍摄须知与改退政策 */
.policy-list {
  list-style: none;
  counter-reset: pol;
  max-width: 52em;
  border-top: 1px solid var(--line);
}
.policy-list li {
  counter-increment: pol;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper-dim);
  font-size: 14.5px;
  line-height: 1.9;
}
.policy-list li::before {
  content: counter(pol, decimal-leading-zero);
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rust);
  padding-top: 5px;
}
.policy-list li { overflow-wrap: anywhere; }

/* ============ 密码门 · 受保护页面（机构信息） ============ */
.gate { display: flex; justify-content: center; padding: 64px 20px 96px; }
.gate-card {
  width: 100%; max-width: 470px; text-align: center;
  border: 1px solid var(--line); padding: 44px 36px 38px;
  background: rgba(255, 255, 255, 0.02);
}
.gate-lock { display: block; font-size: 20px; color: var(--rust); letter-spacing: .3em; margin-bottom: 16px; }
.gate-card h2 {
  font-family: var(--serif); font-size: 20px; font-weight: 600;
  letter-spacing: .08em; margin: 0 0 14px; color: var(--paper);
}
.gate-hint { font-size: 12.5px; color: var(--paper-dim); line-height: 1.95; margin: 0 0 26px; }
.gate-card form { display: flex; gap: 10px; }
.gate-card input[type="password"] {
  flex: 1; min-width: 0; background: transparent; border: 1px solid var(--line);
  color: var(--paper); padding: 11px 14px; font-size: 14px; letter-spacing: .18em;
}
.gate-card input[type="password"]:focus { outline: none; border-color: var(--rust); }
.gate-msg { min-height: 18px; margin: 14px 0 0; font-size: 12px; color: var(--rust); letter-spacing: .06em; }
@media (max-width: 560px) {
  .gate { padding: 40px 16px 64px; }
  .gate-card { padding: 32px 20px 28px; }
  .gate-card form { flex-direction: column; }
}

/* ============ 关于页 · 品牌资质与荣誉证书（2×2 自适应网格） ============ */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.cert-item {
  margin: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  padding: 14px 14px 12px;
}
.cert-item img {
  display: block;
  width: 100%;
  height: auto;
  background: #f4f1ea;
}
.cert-item figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--paper-dim);
  letter-spacing: .04em;
  line-height: 1.7;
}
.cert-note {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--paper-dim);
  line-height: 2;
  letter-spacing: .04em;
}
@media (max-width: 640px) {
  .cert-grid { grid-template-columns: 1fr; gap: 16px; }
}