@charset "UTF-8";
/* ==========================================================================
   广州本金机电设备有限公司 · 企业官网
   视觉基调：低调内敛、克制的墨绿／钢灰体系，大量留白与细线分隔
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, dt { margin: 0; }

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

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

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

/* ---------------------------------------------------------------
   设计令牌
   --------------------------------------------------------------- */
:root {
  /* 色彩 */
  --ink:        #0A2A32;   /* 主墨色 */
  --ink-deep:   #061A20;   /* 页脚 */
  --teal:       #175E6B;   /* 品牌深青 */
  --teal-bright:#2E8D9C;   /* 眉标青 */
  --teal-lite:  #3FA0B0;   /* 深底上的青 */
  --steel:      #8FA3AA;
  --steel-2:    #93A6AD;
  --body:       #5C7078;   /* 正文灰 */
  --body-2:     #3D4F56;   /* 深正文 */
  --line:       #E3E8EA;   /* 分隔线 */
  --bg-alt:     #F5F7F8;   /* 浅底 */
  --sub:        #A9BABF;   /* 深底次要文字 */
  --hero-sub:   #B7C8CD;
  --brand:      #1B4C9E;   /* 标识蓝 */

  /* 版心
     内容最大 1200px，两侧留白随视口连续伸缩：
     窄屏 24px → 平板 32~48px → 宽屏自动居中留白。
     用 max() 计算，背景可以永远满幅，不需要 --page 兜边界。 */
  --content: 1200px;
  --pad: max(clamp(24px, 4.2vw, 48px), calc((100% - var(--content)) / 2));

  /* 字体 */
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei",
          "Source Han Sans SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont,
          "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Consolas,
          "Liberation Mono", Menlo, monospace;
  --en:   "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--body);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------------------------------------------------------------
   版心骨架
   --------------------------------------------------------------- */
.page { background: #fff; }

/* 区块上下节奏同样流体：手机 52px → 桌面 104px，不再靠断点硬跳 */
.sec       { padding: clamp(52px, 7.4vw, 104px) var(--pad); }
.sec--roomy{ padding: clamp(60px, 8.6vw, 120px) var(--pad); }
.sec--alt  { background: var(--bg-alt); }
.sec--dark { background: var(--ink); }

/* ==========================================================================
   页头
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  height: 88px;
  padding: 0 var(--pad);
}

.brand { display: flex; align-items: center; gap: 13px; flex: none; }
.brand__mark { width: 36px; height: 30px; flex: none; }
.brand__cn {
  display: block;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1.5px;
  line-height: 1.35;
  color: var(--ink);
}
.brand__en {
  display: block;
  font-family: var(--en);
  font-size: 8.5px;
  letter-spacing: .9px;
  line-height: 1.4;
  color: var(--steel-2);
  white-space: nowrap;
}

.nav { display: flex; align-items: center; gap: 40px; margin-left: 72px; }
.nav a {
  font-size: 14px;
  letter-spacing: 1.5px;
  color: var(--steel);
  transition: color .18s ease;
}
.nav a:hover { color: var(--teal); }
.nav a.is-active { color: var(--ink); font-weight: 500; }
.nav a.is-active:hover { color: var(--ink); }

.hr { display: flex; align-items: center; gap: 10px; margin-left: auto; }

.btn-cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  background: var(--teal);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  border-radius: 2px;
  transition: background .18s ease;
}
.btn-cta:hover { background: #124C56; }

.lang-current {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 2px;
  background: var(--bg-alt);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--teal);
}

.lang-jp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 40px;
  padding: 0 16px;
  border-radius: 2px;
  background: var(--bg-alt);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--body);
  transition: background .18s ease;
}
.lang-jp:hover { background: #E9EEEF; }
.lang-jp svg { width: 22px; height: 15px; flex: none; }
.lang-jp__label { display: inline; }
/* 日文页回中文站：无国旗图标，只保留文字胶囊，与中文页语言入口同权重 */
.lang-jp--zh { color: var(--teal); font-weight: 500; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  border-radius: 2px;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.btn--primary { background: var(--teal); color: #fff; }
.btn--primary:hover { background: #124C56; }
.btn--ghost {
  background: rgba(255, 255, 255, .07);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .30);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .15); }
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: #061A20; }
.btn--line { color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn--line:hover { box-shadow: inset 0 0 0 1px var(--steel); }

/* ==========================================================================
   通用排版元件
   ========================================================================== */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal-bright);
}
.eyebrow--on-dark { color: var(--teal-lite); }
.eyebrow--sp { letter-spacing: 3px; }

.eyebrow-row { display: flex; align-items: center; gap: 16px; }
.eyebrow-row .rule { width: 56px; height: 2px; background: var(--teal-lite); flex: none; }

.head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.head__left { display: flex; flex-direction: column; gap: 16px; }
.head h2 {
  font-size: clamp(23px, 3.05vw, 40px);
  font-weight: 300;
  letter-spacing: clamp(1.5px, .28vw, 4px);
  line-height: 1.24;
  color: var(--ink);
  text-wrap: balance;
}
.head__right {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--steel-2);
  text-align: right;
  padding-bottom: 6px;
  flex: none;
}
.head--tight h2 { font-size: 38px; }

.sec-body { margin-top: 56px; }

/* ==========================================================================
   首页 · Hero
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  /* 矮视口（笔记本、手机横屏）下不再强制 720，避免首屏被压出多余滚动 */
  min-height: min(720px, 88vh);
  min-height: min(720px, 88svh);
  background: var(--ink);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 44%;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(4, 22, 27, .95) 0%,
    rgba(5, 27, 33, .86) 40%,
    rgba(8, 38, 46, .48) 78%,
    rgba(10, 42, 50, .34) 100%);
}
.hero__body {
  position: relative;
  z-index: 2;
  padding: 118px var(--pad) 96px;
}
.hero__inner { display: flex; flex-direction: column; gap: 26px; max-width: 860px; }
.hero h1 {
  /* 流体字阶：随视口连续缩放，不做断点跳变 */
  font-size: clamp(27px, 4.03vw, 58px);
  font-weight: 300;
  line-height: 1.28;
  letter-spacing: 1px;
  color: #fff;
  text-wrap: balance;
}
.hero h1 .sp { letter-spacing: clamp(3px, .42vw, 6px); }
/* 产品名整体不可拆断：320 下不会被切成「纵剪／线」 */
.hero h1 .h1-term { white-space: nowrap; }
.hero__sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 30px;
  color: var(--hero-sub);
  max-width: 560px;
}
.hero__cta { display: flex; gap: 14px; margin-top: 12px; }

.hero__facts {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 34px var(--pad) 38px;
}
.fact b {
  display: block;
  font-family: var(--en);
  font-size: clamp(20px, 1.81vw, 26px);
  font-weight: 300;
  letter-spacing: 1px;
  line-height: 1.35;
  color: #fff;
}
.fact span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--steel-2);
}

/* ==========================================================================
   子页 · 页头横幅
   ========================================================================== */
.phero {
  position: relative;
  display: flex;
  align-items: center;
  height: 360px;
  background: var(--ink);
  overflow: hidden;
}
.phero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.phero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(4, 22, 27, .95) 0%,
    rgba(5, 27, 33, .84) 48%,
    rgba(8, 38, 46, .46) 100%);
}
.phero__body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 var(--pad);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.crumb {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--teal-lite);
}
.phero h1 {
  font-size: clamp(26px, 3.47vw, 50px);
  font-weight: 300;
  letter-spacing: clamp(2px, .42vw, 6px);
  line-height: 1.3;
  color: #fff;
  text-wrap: balance;
}
.phero__sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 30px;
  color: var(--sub);
  max-width: 640px;
}

/* ==========================================================================
   首页 S01 · 公司简介
   ========================================================================== */
.intro {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 64px;
  align-items: start;
}
.intro__text { display: flex; flex-direction: column; gap: 20px; }
.intro__text p {
  font-size: 15px;
  line-height: 32px;
  color: var(--body);
}
.intro__figure { height: 360px; overflow: hidden; background: var(--bg-alt); }
.intro__figure img { width: 100%; height: 100%; object-fit: cover; }

/* 板块内的「进入内页」链接 */
.intro__more { margin-top: 2px; }
.intro__more a,
.head__right a {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(23, 94, 107, .28);
  color: var(--teal);
  transition: color .18s ease, border-color .18s ease;
}
.intro__more a { font-size: 13px; letter-spacing: 1px; }
.head__right a { font-size: 12px; letter-spacing: 1px; }
.intro__more a:hover,
.head__right a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* 页内锚点跳转时，避开吸顶页头 */
[id] { scroll-margin-top: 108px; }

.stats {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.stat b {
  display: block;
  font-family: var(--en);
  font-size: clamp(30px, 2.78vw, 40px);
  font-weight: 300;
  letter-spacing: 1px;
  line-height: 1.25;
  color: var(--teal);
}
.stat span {
  display: block;
  margin-top: 6px;
  max-width: 320px;
  font-size: 12px;
  line-height: 22px;
  color: var(--body);
}

/* ==========================================================================
   首页 S02 · 发展沿革
   ========================================================================== */
.tl { display: flex; flex-direction: column; }
.tl__row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
  padding: 26px 0;
}
.tl__row + .tl__row { border-top: 1px solid var(--line); }
.tl__year {
  font-family: var(--mono);
  font-size: 20px;
  letter-spacing: 1px;
  line-height: 1.5;
  color: var(--teal);
}
.tl__desc {
  font-size: 15px;
  line-height: 28px;
  color: var(--body-2);
}

/* ==========================================================================
   首页 S03 · 主营业务
   ========================================================================== */
.lead {
  font-size: 15px;
  line-height: 32px;
  font-weight: 300;
  color: var(--body);
  max-width: 900px;
}
.sec--dark .lead { color: var(--sub); }

.biz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.biz__col { display: flex; flex-direction: column; gap: 14px; }
.biz__numrow { display: flex; align-items: center; gap: 18px; }
.biz__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--teal-lite);
}
.biz__rule { flex: 1; height: 1px; background: rgba(255, 255, 255, .18); }
.biz__name {
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 3px;
  color: #fff;
}
.biz__en {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--steel);
}
.biz__desc { font-size: 13.5px; line-height: 28px; color: var(--sub); }

/* ==========================================================================
   首页 S02 · 产品体系
   ========================================================================== */
.cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.cat {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .4s ease, box-shadow .4s ease;
}
.cat:hover,
.cat:focus-visible {
  border-color: rgba(23, 94, 107, .35);
  box-shadow: 0 20px 44px rgba(9, 31, 38, .13);
}
.cat:focus-visible { outline: 2px solid var(--teal-lite); outline-offset: 3px; }

.cat__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity .5s ease, transform 1.1s cubic-bezier(.2, .65, .2, 1);
}
.cat__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  background: linear-gradient(180deg, rgba(6, 26, 32, .42) 0%, rgba(6, 26, 32, .76) 50%, rgba(6, 26, 32, .94) 100%);
  transition: opacity .45s ease;
}
.cat:is(:hover, :focus-visible) .cat__img { opacity: 1; transform: scale(1); }
.cat:is(:hover, :focus-visible) .cat__scrim { opacity: 1; }

.cat__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 24px;
}
.cat__top { display: flex; align-items: center; justify-content: space-between; }
.cat__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--steel-2);
  transition: color .35s ease;
}
.cat__arrow {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  color: var(--steel-2);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1;
  transition: color .35s ease, border-color .35s ease, background .35s ease;
}
.cat__name {
  margin-top: 2px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 1.5px;
  line-height: 1.35;
  color: var(--ink);
  transition: color .35s ease;
}
.cat__en {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--teal-bright);
  transition: color .35s ease;
}
.cat__rule {
  width: 100%;
  height: 1px;
  margin: 8px 0 2px;
  background: var(--line);
  transition: background .35s ease;
}
.cat__list { display: flex; flex-direction: column; gap: 8px; }
.cat__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 23px;
  color: var(--body);
  transition: color .35s ease;
}
.cat__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 4px;
  height: 1px;
  background: var(--steel);
  transition: background .35s ease;
}
.cat__more {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--teal-bright);
  opacity: .78;
  transition: opacity .4s ease, color .35s ease;
}

.cat:is(:hover, :focus-visible) .cat__num { color: rgba(255, 255, 255, .62); }
.cat:is(:hover, :focus-visible) .cat__arrow {
  color: #fff;
  border-color: rgba(255, 255, 255, .42);
  background: rgba(255, 255, 255, .08);
}
.cat:is(:hover, :focus-visible) .cat__name { color: #fff; }
.cat:is(:hover, :focus-visible) .cat__en { color: #8FD8DE; }
.cat:is(:hover, :focus-visible) .cat__rule { background: rgba(255, 255, 255, .22); }
.cat:is(:hover, :focus-visible) .cat__list li { color: rgba(255, 255, 255, .84); }
.cat:is(:hover, :focus-visible) .cat__list li::before { background: rgba(255, 255, 255, .46); }
.cat:is(:hover, :focus-visible) .cat__more { opacity: 1; color: #fff; }

/* 触屏设备不依赖悬停，直接展示产线图 */
@media (hover: none) {
  .cat__img {
    position: static;
    width: 100%;
    height: 168px;
    opacity: 1;
    transform: none;
  }
  .cat__scrim { display: none; }
  .cat__inner { padding: 22px 22px 24px; }
  .cat__more { opacity: 1; }
}

/* ==========================================================================
   卡片网格（设备／整线／单机）
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.card:hover { border-color: #C9D3D7; box-shadow: 0 10px 28px rgba(10, 42, 50, .07); }
.card__figure { height: 240px; overflow: hidden; background: var(--bg-alt); }
.card__figure img { width: 100%; height: 100%; object-fit: cover; }

/* 各设备照片的取景微调 */
.p-top    { object-position: center top; }
.p-bottom { object-position: center bottom; }
.p-mid    { object-position: center 42%; }

.card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 26px 28px;
}
.card__name {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--ink);
}
.card__en {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--teal-bright);
}
.card__desc {
  margin-top: 4px;
  font-size: 13px;
  line-height: 25px;
  color: var(--body);
}
.card__spec {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 22px;
  color: var(--body);
}
/* 规格串中不可拆断的最小单元，避免「线速」被拆成「线／速」 */
.nb { white-space: nowrap; }

/* ==========================================================================
   首页 S06 · 主要业绩
   ========================================================================== */
.clients { margin-top: 44px; }
.clients__label {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--steel-2);
  margin-bottom: 22px;
}
.clients__wall {
  padding: 32px 36px;
  background: #fff;
  border: 1px solid var(--line);
}
.clients__wall img { width: 100%; }

/* 客户墙的滑动提示只在窄屏出现（宽屏整图可读，无需提示） */
.clients__hint {
  display: none;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--steel-2);
  text-align: right;
}

.ptable { margin-top: 52px; border-top: 1.5px solid var(--ink); }
.ptable__head,
.ptable__row {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: baseline;
}
.ptable__head {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--steel);
  text-transform: uppercase;
}
.ptable__row {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.ptable__cust {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--ink);
}
.ptable__scope { font-size: 13.5px; line-height: 26px; color: var(--body); }

/* ==========================================================================
   行动号召
   ========================================================================== */
.cta {
  position: relative;
  background: var(--ink);
  overflow: hidden;
}
.cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
}
.cta__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(4, 22, 27, .93) 0%,
    rgba(5, 27, 33, .80) 55%,
    rgba(8, 38, 46, .58) 100%);
}
.cta__body {
  position: relative;
  z-index: 2;
  padding: 104px var(--pad);
  display: flex;
  flex-direction: column;
  gap: 18px;
  /* 注意：这里不能再写 max-width。
     左右内边距是 vw 计算出来的，宽屏下会撑到几百 px，
     一旦和 max-width 相加，内容区会被挤成 0，文字竖排。 */
}
.cta__title {
  font-size: clamp(22px, 3.2vw, 46px);
  font-weight: 300;
  line-height: 1.34;
  letter-spacing: clamp(1.5px, .28vw, 4px);
  color: #fff;
  text-wrap: balance;
  max-width: 760px;
}
.cta__sub {
  font-size: 15px;
  font-weight: 300;
  line-height: 30px;
  color: var(--sub);
  max-width: 620px;
}
.cta__btns { display: flex; gap: 14px; margin-top: 16px; }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--ink-deep); }
.footer__top {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1.15fr 1.4fr;
  gap: 48px;
  padding: 72px var(--pad) 60px;
}
.footer__brand { display: flex; flex-direction: column; gap: 20px; }
.footer__lockup { display: flex; align-items: center; gap: 12px; }
.footer__lockup svg { width: 30px; height: 25px; flex: none; }
.footer__cn {
  display: block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: #fff;
  line-height: 1.35;
}
.footer__en {
  display: block;
  font-family: var(--en);
  font-size: 8px;
  letter-spacing: .8px;
  color: var(--steel);
  white-space: nowrap;
}
.footer__tagline {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 22px;
  letter-spacing: 1px;
  color: var(--steel);
}
.footer h4 {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--teal-lite);
  margin-bottom: 18px;
}
.footer li { margin-bottom: 11px; font-size: 12.5px; line-height: 22px; color: var(--sub); overflow-wrap: break-word; }
.footer li a { display: inline-block; padding: 3px 0; transition: color .18s ease; }
.footer li a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .10);
  padding: 22px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  color: #5C7078;
}
.footer__bottom .icp { display: inline-block; padding: 3px 0; color: inherit; border-bottom: 1px solid rgba(255,255,255,.22); }
.footer__bottom .icp:hover { color: #fff; border-bottom-color: rgba(255,255,255,.6); }

/* ==========================================================================
   产品中心 · 全系列一览
   ========================================================================== */
.range { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.range__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.range__cat {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--ink);
}
.range__items { font-size: 13.5px; line-height: 28px; color: var(--body); }

/* ==========================================================================
   产品中心 · 规格参数
   ========================================================================== */
.spec-block { display: flex; flex-direction: column; }
.spec-block + .spec-block { margin-top: 56px; }
.spec-sub {
  padding: 16px 0 20px;
  border-top: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--teal-bright);
}
.spec-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.spec-model {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--ink);
}
.spec-label {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--ink);
}
.spec-val { font-size: 13.5px; line-height: 26px; color: var(--body); }

.datalist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
  margin-top: 56px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}
.datalist__item { display: flex; flex-direction: column; gap: 9px; }
.datalist__k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.6px;
  color: var(--steel-2);
}
.datalist__v { font-size: 15px; line-height: 26px; color: var(--ink); }

.spec-hint {
  margin-top: 18px;
  font-size: 12px;
  line-height: 24px;
  color: var(--steel-2);
  letter-spacing: .2px;
}

.spec-note {
  margin-top: 48px;
  padding: 30px 34px;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sec--alt .spec-note { background: #fff; }
.spec-note p { font-size: 13px; line-height: 26px; color: var(--body); }
.spec-note p.fine { font-size: 12px; line-height: 24px; color: var(--steel-2); }

/* ==========================================================================
   关于本金 · 沿革（三列）
   ========================================================================== */
.tl3 { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.tl3__row {
  display: grid;
  grid-template-columns: 160px 300px 1fr;
  gap: 48px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.tl3__year {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--teal-bright);
}
.tl3__title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--ink);
}
.tl3__desc { font-size: 13px; line-height: 26px; color: var(--body); }

/* ==========================================================================
   关于本金 · 图文并排
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 64px;
  align-items: start;
}
.split__col { display: flex; flex-direction: column; gap: 28px; }
.split__col p { font-size: 15px; line-height: 32px; color: var(--body); }
.split__figure { overflow: hidden; background: var(--bg-alt); }
.split__figure img { width: 100%; height: 100%; object-fit: cover; }
.split__figure--h360 { height: 360px; }
.split__figure--h400 { height: 400px; }

.infocard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 32px;
  background: #fff;
  border: 1px solid var(--line);
}
.infocard__name {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--ink);
}
.infocard__en {
  font-family: var(--en);
  font-size: 12px;
  letter-spacing: .5px;
  color: var(--steel-2);
}
.infocard p { font-size: 13px; line-height: 26px; color: var(--body); }

/* 双卡并排 */
.two-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 36px;
  background: #fff;
  border: 1px solid var(--line);
}
.sec--alt .panel { background: #fff; }
.panel__title {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--ink);
}
.panel p { font-size: 13px; line-height: 28px; color: var(--body); }

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ccard {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 34px;
  background: var(--bg-alt);
  border: 1px solid transparent;
}
.ccard__v {
  font-family: var(--mono);
  font-size: clamp(17px, 1.46vw, 21px);
  font-weight: 500;
  letter-spacing: 1px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.ccard__v--sans { font-family: var(--sans); font-size: clamp(15px, 1.18vw, 17px); }
.ccard__sub { font-size: 13px; line-height: 26px; color: var(--body); }

.map-split {
  display: grid;
  grid-template-columns: 600px 1fr;
  gap: 64px;
  align-items: start;
}
.map-figure { overflow: hidden; background: #fff; border: 1px solid var(--line); }
.map-figure img { width: 100%; }
.site-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.site-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.site-item__name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--ink);
}
.site-item p { font-size: 13px; line-height: 26px; color: var(--body); }

.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.chip {
  padding: 12px 22px;
  background: #14333C;
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: 1px;
  color: #C9D6D9;
}

/* ==========================================================================
   日语站占位
   ========================================================================== */
.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  text-align: center;
  min-height: 62vh;
  padding: clamp(72px, 10vw, 120px) var(--pad);
}
.placeholder h1 {
  font-size: clamp(21px, 5.4vw, 34px);
  font-weight: 300;
  letter-spacing: clamp(1px, .55vw, 4px);
  line-height: 1.45;
  color: var(--ink);
  text-wrap: balance;
}
.placeholder p { font-size: 14px; line-height: 30px; color: var(--body); max-width: 620px; }
.placeholder .en {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--teal-bright);
}

/* ==========================================================================
   响应式
   三条原则
   1. 背景永远满幅：版心内容由 --pad 自动居中，1920 / 2560 不会出现左右白边；
   2. 尺寸连续：字号、区块节奏、留白全部用 clamp()／vw，不做断点跳变；
   3. 断点只切「列数」与「结构」，不切尺寸，也不把任何内容藏到屏幕外。
   ========================================================================== */

/* —— 1180：四列降两列 —— */
@media (max-width: 1180px) {
  .cats { grid-template-columns: repeat(2, 1fr); }
  .ptable__head, .ptable__row { grid-template-columns: 260px 1fr; gap: 32px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 44px 48px; }
  .map-split { grid-template-columns: 1fr 1fr; gap: 40px; }
  .nav { margin-left: 44px; gap: 28px; }
}

/* —— 1024：平板竖置，图文上下，三列降两列 —— */
@media (max-width: 1024px) {
  .intro, .split { grid-template-columns: 1fr; gap: 36px; }
  .intro__figure,
  .split__figure--h360,
  .split__figure--h400 { height: min(320px, 52vw); }
  .hero { min-height: 0; }
  .hero__body { padding: 76px var(--pad) 60px; }
  .facts { grid-template-columns: repeat(2, 1fr); gap: 26px 32px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .biz { grid-template-columns: 1fr; gap: 32px; }
  .two-col { grid-template-columns: 1fr; }
  .datalist { grid-template-columns: repeat(2, 1fr); }
  .brand__en { display: none; }
  .tl3__row { grid-template-columns: 120px 200px 1fr; gap: 24px 32px; }
  .range__row, .spec-row { grid-template-columns: 150px 1fr; gap: 28px; }
}

/* —— 820：页头切成两行；条列式表格改上下堆叠 —— */
@media (max-width: 820px) {
  .site-header .inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand hr" "nav nav";
    align-items: center;
    column-gap: 10px;
    row-gap: 0;
    height: auto;
    padding: 6px var(--pad) 4px;
  }
  .brand { grid-area: brand; min-width: 0; min-height: 34px; }
  .brand > span { min-width: 0; }
  .brand__mark { width: 28px; height: 23px; }
  .brand__cn {
    font-size: 13px;
    letter-spacing: .4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .hr { grid-area: hr; margin-left: 0; justify-self: end; gap: 8px; }
  .btn-cta { height: 34px; padding: 0 14px; font-size: 12px; }
  .lang-current, .lang-jp { height: 34px; padding: 0 12px; }
  .lang-current { display: none; }

  /* 导航换行而不是横向滚动：不把任何一项藏到屏幕外 */
  .nav {
    grid-area: nav;
    width: 100%;
    margin-left: 0;
    min-width: 0;
    gap: 0 22px;
    flex-wrap: wrap;
    overflow: visible;
  }
  .nav a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;      /* 触控目标抬到 40px */
    font-size: 13px;
    letter-spacing: .8px;
    white-space: nowrap;
  }

  .hero__body { padding: 60px var(--pad) 48px; }
  .hero__sub { font-size: 14px; line-height: 26px; }
  .facts { padding: 22px var(--pad) 26px; gap: 22px 24px; }
  .phero { height: auto; padding: 60px 0; }

  .head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .head__right { text-align: left; padding-bottom: 0; max-width: 100%; }
  .sec-body { margin-top: 34px; }

  .tl__row, .tl3__row { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .tl__year, .tl3__year { font-size: 15px; }
  .range__row, .spec-row { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .ptable__head { display: none; }
  .ptable__row { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .map-split { grid-template-columns: 1fr; }
  .clients__wall { padding: 16px 14px; }

  .cta__body { padding: 60px var(--pad); }
  .cta__btns { flex-wrap: wrap; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 6px; }

  [id] { scroll-margin-top: 96px; }
}

/* —— 700：网格全部单列 —— */
@media (max-width: 700px) {
  .cats, .grid-3, .contact-cards, .datalist, .stats { grid-template-columns: 1fr; }
  .cats { gap: 18px; }
  .grid-3 { gap: 18px; }
  .contact-cards { gap: 14px; }
  .stats { gap: 22px; }
  .datalist { gap: 22px; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 40px; }
  .sec-body { margin-top: 30px; }

  .card__figure { height: min(220px, 62vw); }
  .card__spec { font-size: 12px; line-height: 21px; }
  .footer li { font-size: 13px; line-height: 23px; }
  .site-item p { font-size: 13.5px; }
  /* 文本型链接放大可点高度，避免指腹点不中 */
  .intro__more a,
  .head__right a { padding: 5px 0; }

  /* 客户墙给一段保底宽度，靠横向滑动看全，避免缩成看不清的小图 */
  .clients__wall {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    padding: 14px;
  }
  .clients__wall img { width: 560px; max-width: none; }
  .clients__hint { display: block; }
}

/* —— 480：极窄屏收尾 —— */
@media (max-width: 480px) {
  .hr .btn-cta { display: none; }
  .lang-jp { padding: 0 10px; gap: 0; }
  .lang-jp svg { width: 20px; height: 14px; }
  .lang-jp__label { display: none; }
  /* 日文页的中文入口是纯文字胶囊，保留文字避免出现空块 */
  .lang-jp--zh { padding: 0 11px; }
  .lang-jp--zh .lang-jp__label { display: inline; font-size: 11px; letter-spacing: .3px; }
  .brand__cn { font-size: 12px; letter-spacing: .2px; }
  .nav { column-gap: 12px; }
  .nav a { font-size: 12.5px; letter-spacing: .2px; }

  /* 按钮整行铺满，避免拇指误触 */
  .hero__cta, .cta__btns { flex-direction: column; align-items: stretch; }
  .hero__cta .btn, .cta__btns .btn { width: 100%; }
  .hero .eyebrow-row { gap: 9px; }
  .hero .eyebrow-row .rule { width: 20px; }
  .hero .eyebrow { font-size: 10.5px; letter-spacing: 1px; }
  /* 首屏收紧，小屏不至于一屏都装不下主文案 */
  .hero__body { padding: 48px var(--pad) 40px; }
  .hero__inner { gap: 20px; }

  .ccard, .panel, .infocard { padding: 22px 20px; }
  .spec-note { padding: 22px 20px; }
  .chips { gap: 9px; }
  .chip { padding: 10px 16px; font-size: 12.5px; }
}

/* —— 380 及以下：主标题三个产品名各占一行，不让「纵剪线」被拆开 —— */
@media (max-width: 380px) {
  .hero h1 .h1-term { display: block; }
  .hero h1 .h1-sep { display: none; }
  .hero h1 br { display: none; }
}

/* 触屏设备去掉「悬浮态残留」，避免点过之后卡片一直带阴影 */
@media (hover: none) {
  .card:hover { border-color: var(--line); box-shadow: none; }
  .nav a:hover { color: var(--steel); }
  .nav a.is-active:hover { color: var(--ink); }
}

@media print {
  .site-header, .cta, .hero__cta { display: none; }
  .page { max-width: none; }
}

/* CMS integration: clickable product cards */
.card__figure a{display:block;height:100%}
.card__name a{color:inherit;text-decoration:none}
.detail-content{margin-top:8px}