@charset "UTF-8";

/* ============================================================
   TOUCHI INTERNATIONAL — 设计系统基础
   高端企业形象：森林绿 × 海军蓝 × 金色
   ============================================================ */

:root {
  /* ── 白色系 ──────────────────────────────────────── */
  --color-white:       #ffffff;
  --color-off-white:   #FDFCFA;
  --color-pale-cream:  #F4F2EB;   /* 页面背景 */
  --color-cream:       #EDE8DC;
  --color-beige:       #DED9CC;   /* 边框 / 分隔线 */
  --color-light-gray:  #C2BDB5;

  /* ── 品牌绿色 ──────────────────────────────────────── */
  --color-green:       #2B6048;   /* 主要行动号召、图标、链接 */
  --color-deep-green:  #162E1E;   /* 主要文本、标题 */
  --color-text-gray:   #5E7063;   /* 正文辅助文本 */
  --color-mint:        #E8F0EB;   /* 浅绿色调背景 */

  /* ── 企业海军蓝 ───────────────────────────────────── */
  --color-navy:        #102040;
  --color-deep-navy:   #080F20;

  /* ── 金色点缀 ──────────────────────────────────────── */
  --color-gold:        #C4963A;
  --color-gold-light:  #DDB865;

  /* ── 字体 ───────────────────────────────────────── */
  --font-mincho: "Noto Serif JP", "游明朝", YuMincho,
    "ヒラギノ明朝 Pr6 W6", "Hiragino Mincho Pro", "HGS明朝E",
    "ＭＳ Ｐ明朝", "MS PMincho", serif;
  --font-gothic: "Noto Sans JP", "Zen Kaku Gothic New",
    'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro',
    '游ゴシック Medium', 'Yu Gothic Medium', YuGothic,
    'メイリオ', Meiryo, sans-serif;
  --font-en-display: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --font-en-serif:   "Cormorant Garamond", "EB Garamond", Georgia, serif; /* --font-en-display 的别名 */
  --font-en-sans:    "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;

  /* ── 间距 ──────────────────────────────────────────── */
  --section-pt: 100px;
  --section-pb: 100px;
  --inner-max: 1200px;
  --inner-px: 40px;

  /* ── 动画 ────────────────────────────────────────── */
  --ease-premium: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);

  /* ── 边框 ───────────────────────────────────────────── */
  --border-default: 1px solid var(--color-beige);
  --border-dashed:  1px dashed var(--color-light-gray);
}

/* ── 重置 / 标准化 ──────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-pale-cream);
  color: var(--color-deep-green);
  font-family: var(--font-gothic);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.85;
  overflow-wrap: break-word;
  overflow-x: hidden;  /* 防止横向滚动条 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s var(--ease-premium);
}

a:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 2px;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ── 动画系统 ─────────────── */
[data-animation] {
  transition-duration: 0.9s;
  transition-delay: 0.15s;
  transition-property: opacity, transform;
  transition-timing-function: var(--ease-out);
  opacity: 0;
}
[data-animation="after"] {
  opacity: 1;
  transform: none !important;
}
[data-animation][data-animation-type="fadeInUp"] {
  transform: translateY(28px);
}
[data-animation][data-animation-type="fadeInRight"] {
  transform: translateX(-24px);
}
[data-animation][data-animation-type="fadeInLeft"] {
  transform: translateX(24px);
}
[data-animation][data-animation-type="fadeZoomOut"] {
  transform: scale(1.04);
}
[data-animation][data-animation-type="fadeInDown"] {
  transform: translateY(-20px);
}

/* ── 布局工具类 ───────────────────────────────────── */
.u-inner {
  max-width: var(--inner-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--inner-px);
  padding-right: var(--inner-px);
}

.u-sect {
  padding-top: var(--section-pt);
  padding-bottom: var(--section-pb);
}

/* ── 区块标题 ──────────────────────────────────────── */
.u-ttl {
  text-align: center;
  margin-bottom: 60px;
}
.u-ttl_en {
  display: block;
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.u-ttl_main {
  display: block;
  font-family: var(--font-mincho);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-deep-green);
  line-height: 1.4;
  letter-spacing: 0.05em;
}
.u-ttl_sub {
  display: block;
  font-size: 14px;
  color: var(--color-text-gray);
  margin-top: 14px;
  letter-spacing: 0.03em;
}

/* ── 英文标签下的金色横线 ──────────────────────────── */
.u-ttl_rule {
  display: block;
  width: 32px;
  height: 3px;
  background-color: var(--color-gold);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ── 按钮 ─────────────────────────────────────────────── */
.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-gothic);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
  text-decoration: none;
}
.u-btn-primary {
  background-color: var(--color-green);
  color: var(--color-white);
  border: 1px solid var(--color-green);
}
.u-btn-primary:hover {
  background-color: var(--color-deep-green);
  border-color: var(--color-deep-green);
}
.u-btn-outline {
  background-color: transparent;
  color: var(--color-green);
  border: 1px solid var(--color-green);
}
.u-btn-outline:hover {
  background-color: var(--color-green);
  color: var(--color-white);
}
.u-btn-gold {
  background-color: var(--color-gold);
  color: var(--color-white);
  border: 1px solid var(--color-gold);
}
.u-btn-gold:hover {
  background-color: #a37e2e;
  border-color: #a37e2e;
}

/* ── 表格 ──────────────────────────────────────────────── */
.u-tbl {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
}
.u-tbl th,
.u-tbl td {
  padding: 16px 24px;
  vertical-align: middle;
  border-bottom: var(--border-default);
  font-size: 14px;
  line-height: 1.7;
}
.u-tbl th {
  background-color: rgba(222, 217, 204, 0.4);
  font-weight: 500;
  white-space: nowrap;
  width: 200px;
  text-align: left;
  border-right: var(--border-default);
}
.u-tbl td {
  background-color: var(--color-white);
}
.u-tbl tr:last-child th,
.u-tbl tr:last-child td {
  border-bottom: none;
}

/* ── 自适应图片 (宽高比容器) ───────────────────────── */
.u-fitImg {
  position: relative;
  overflow: hidden;
}
.u-fitImg > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── 悬停下划线 ────────────────────────────────────── */
.u-hoverLine {
  background-image: linear-gradient(to top, currentColor 1px, transparent 1px);
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: right bottom;
  transition: background-size 0.35s var(--ease-premium);
}
a:hover .u-hoverLine {
  background-size: 100% 1px;
  background-position: left bottom;
}

/* ── 分类徽章 ─────────────────────────────────────── */
.u-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border: 1px solid var(--color-green);
  border-radius: 3px;
  color: var(--color-green);
  background-color: transparent;
  white-space: nowrap;
}

/* ── 更新日期 ────────────────────────────────────────── */
.u-update {
  font-family: var(--font-en-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-text-gray);
}

/* ── 响应式可见性 ──────────────────────────────── */
.u-spBlock  { display: none; }
.u-spInline { display: none; }
.u-pcNone   { display: block; }

/* ── 金色竖线 (区块标题点缀) ────────── */
.u-ttlLine {
  position: relative;
  font-family: var(--font-mincho);
  font-size: 28px;
  font-weight: 600;
  color: var(--color-deep-green);
  line-height: 1.5;
  padding-top: 28px;
  border-top: 1px solid var(--color-beige);
  margin-bottom: 44px;
  letter-spacing: 0.04em;
}
.u-ttlLine::before {
  content: "";
  display: block;
  position: absolute;
  top: -2px;
  left: 0;
  width: 32px;
  height: 4px;
  background-color: var(--color-gold);
  border-radius: 0 0 3px 3px;
}

/* ── 背景渐变 (用于关于区块) ────────────── */
.u-bgGrad {
  position: relative;
  background-color: #dff0e8;
  padding-top: 120px;
  padding-bottom: 120px;
}
.u-bgGrad::before {
  content: "";
  display: block;
  position: absolute;
  inset: 0 0 auto 0;
  height: 160px;
  background: linear-gradient(to bottom, var(--color-pale-cream), #dff0e8);
  pointer-events: none;
  z-index: 1;
}
.u-bgGrad::after {
  content: "";
  display: block;
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  height: 160px;
  background: linear-gradient(to top, var(--color-pale-cream), #dff0e8);
  pointer-events: none;
}

/* ── 平板 (≤ 999px) ───────────────────────────────────── */
@media screen and (max-width: 999px) {
  :root {
    --section-pt: 72px;
    --section-pb: 72px;
    --inner-px: 24px;
  }
  .u-ttl_main  { font-size: 28px; }
  .u-ttlLine   { font-size: 24px; margin-bottom: 32px; }
  .u-tbl th    { width: 140px; padding: 14px 16px; }
  .u-tbl td    { padding: 14px 16px; }
}

/* ── 移动端 (≤ 767px) ───────────────────────────────────── */
@media screen and (max-width: 767px) {
  :root {
    --section-pt: 56px;
    --section-pb: 56px;
    --inner-px: 20px;
  }
  body { font-size: 15px; }
  .u-ttl { margin-bottom: 40px; }
  .u-ttl_main  { font-size: 24px; }
  .u-ttlLine   { font-size: 22px; padding-top: 20px; margin-bottom: 24px; }
  .u-spBlock   { display: block; }
  .u-spInline  { display: inline; }
  .u-spNone    { display: none; }
  .u-tbl th    { width: auto; display: block; border-right: none; }
  .u-tbl td    { display: block; }
  .u-tbl tr    { display: block; }
  .u-tbl tbody { display: block; }
  .u-bgGrad {
    padding-top: 72px;
    padding-bottom: 72px;
  }
}