/*
Theme Name: ARC WORLD JAPAN 2026
Theme URI: https://arcworld-jp.com
Description: ARC WORLD JAPAN 贸易商社 官网主题（日/英/中三语）。白净商务基调 + 海运主视觉。
Version: 1.0.0
Author: ARC WORLD WEB
Text Domain: arcworld
*/

:root{
  --navy:#0E2A47;
  --navy-2:#16406B;
  --blue:#1E6FD9;
  --blue-l:#5B9BEE;
  --ink:#24303E;
  --muted:#5F6F81;
  --line:#E2E8F2;
  --soft:#F4F7FB;
  --white:#ffffff;
  --gold:#B8932F;
  --shadow:0 10px 30px rgba(14,42,71,.08);
  --radius:16px;
  --wrap-w:1180px;
}
@media (min-width:1560px){:root{--wrap-w:1360px}}
@media (min-width:2100px){:root{--wrap-w:1560px}}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","Meiryo","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);background:var(--white);font-size:15px;line-height:1.85;
  -webkit-font-smoothing:antialiased;letter-spacing:.01em;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.wrap{max-width:var(--wrap-w);margin:0 auto;padding:0 clamp(16px,2.4vw,38px)}
.section{padding:76px 0}
.section.alt{background:var(--soft)}
.section.dark{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff}
.section.tight{padding:52px 0}
.muted{color:var(--muted)}

/* ===== 标题块 ===== */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;
  letter-spacing:.22em;color:var(--blue);text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:26px;height:2px;background:var(--blue)}
.sec-eyebrow.center::after{content:"";width:26px;height:2px;background:var(--blue)}
.sec-title{font-size:30px;line-height:1.35;font-weight:800;color:var(--navy);margin-top:10px;letter-spacing:.02em}
.section.dark .sec-title{color:#fff}
.section.dark .sec-eyebrow{color:var(--blue-l)}
.section.dark .sec-eyebrow::before{background:var(--blue-l)}
.sec-sub{margin-top:14px;color:var(--muted);font-size:14.5px}
.section.dark .sec-sub{color:#B9C9DE}

/* ===== 顶栏 ===== */
.site-head{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.head-in{width:100%;padding:0 clamp(14px,1.6vw,36px);height:80px;display:flex;align-items:center;gap:0}
.brand{display:flex;align-items:center;justify-content:center;gap:14px;flex:1 1 auto;min-width:0}
.brand .b-logo{width:46px;height:46px;flex:none;border-radius:11px;overflow:hidden;background:#fff;display:grid;place-items:center}
.brand .b-logo img{width:100%;height:100%;object-fit:cover;display:block}
.brand .b-text{display:flex;flex-direction:column;justify-content:center;gap:6px;min-width:0}
.brand .b-name{font-weight:800;font-size:19px;color:var(--navy);line-height:1.1;letter-spacing:.045em;white-space:nowrap}
.brand .b-tagline{display:flex;align-items:center;gap:8px}
.brand .b-tagline::before{content:"";width:20px;height:1.5px;background:var(--gold);display:inline-block}
.brand .b-tagline small{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.3em;line-height:1;white-space:nowrap}
.main-nav{flex:0 0 auto;display:flex;justify-content:flex-end;align-items:center;gap:4px;min-width:0}
.main-nav .m-link{
  position:relative;width:var(--w,auto);padding:8px 9px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink);
  display:inline-flex;justify-content:center;align-items:center;gap:5px;transition:.16s;cursor:pointer;z-index:2;white-space:nowrap;flex:none;
}
.m-home{--w:80px}
.m-company{--w:108px}
.m-business{--w:126px}
.m-products{--w:126px}
.m-contact{--w:138px}
.main-nav .m-link:hover{color:var(--blue);background:var(--soft)}
.main-nav .has-drop{position:relative;flex:none}
.drop{position:absolute;top:calc(100% + 6px);left:0;min-width:240px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:0 18px 44px rgba(14,42,71,.14);padding:8px;display:none;z-index:90;
  padding-top:10px}
/* 透明桥接层：覆盖按钮与下拉之间的间隙，避免鼠标划过时菜单消失 */
.drop::before{content:"";position:absolute;left:0;right:0;top:-16px;height:22px}
.has-drop.open .drop,.has-drop:hover .drop,.has-drop:focus-within .drop{display:block}
.drop a{display:block;padding:10px 14px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink)}
.drop a:hover{background:var(--soft);color:var(--blue)}
.drop .caret{font-size:10px;margin-left:3px}
.lang-switch{display:flex;gap:3px;background:var(--soft);border:1px solid var(--line);border-radius:11px;padding:3px;margin-left:26px;flex:none}
.lang-switch button{border:none;background:transparent;cursor:pointer;padding:6px 11px;border-radius:8px;font-size:13px;font-weight:700;color:var(--muted);font-family:inherit;transition:.15s;white-space:nowrap}
.lang-switch button.on{background:var(--navy);color:#fff;box-shadow:0 2px 8px rgba(14,42,71,.25)}
.head-cta{flex:none;margin-left:6px}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;border:none;cursor:pointer;
  padding:11px 22px;border-radius:11px;font-weight:700;font-size:14px;font-family:inherit;
  box-shadow:0 6px 16px rgba(14,42,71,.22);transition:.18s;letter-spacing:.03em;white-space:nowrap;
}
.btn-cta:hover{background:var(--navy-2);transform:translateY(-1px)}
.burger{display:none}
.mobile-nav{display:none}

/* ===== 首页 Hero ===== */
.hero{position:relative;color:#fff;background:#0E2A47;overflow:hidden;height:clamp(470px,78vh,780px);display:flex;align-items:center}
.hero .hero-bg{position:absolute;inset:0}
.hero .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 32%}
.hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,26,44,.84) 0%,rgba(10,26,44,.62) 38%,rgba(10,26,44,.18) 70%,rgba(10,26,44,.05) 100%);
}
.hero-in{position:relative;z-index:3;width:100%}
.hero-in .wrap-content{width:100%;max-width:var(--wrap-w);margin:0 auto;padding:0 clamp(16px,2.4vw,38px)}
.hero-in .wrap-content>*{max-width:720px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.24em;
  color:#A9C6EA;border:1px solid rgba(169,198,234,.45);border-radius:99px;padding:7px 16px;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:clamp(28px,3.9vw,46px);line-height:1.26;font-weight:800;letter-spacing:.02em;text-shadow:0 3px 18px rgba(0,0,0,.3)}
.hero .hero-p{margin-top:20px;color:#D6E2F2;font-size:15px}
.hero-acts{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,#2D86E8,#1E6FD9);color:#fff;
  padding:14px 30px;border-radius:12px;font-weight:700;font-size:14.5px;
  box-shadow:0 12px 28px rgba(30,111,217,.4);transition:.18s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(30,111,217,.5)}
.btn-ghost-l{
  display:inline-flex;align-items:center;gap:9px;border:1.5px solid rgba(255,255,255,.5);color:#fff;
  padding:13px 28px;border-radius:12px;font-weight:600;font-size:14.5px;transition:.18s;
}
.btn-ghost-l:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ===== 首页 三张特点卡（hero 图下方，贴图更近、白带内居中） ===== */
.hero-facts{position:relative;max-width:var(--wrap-w);margin:0 auto;padding:38px clamp(16px,2.4vw,38px) 58px;background:#fff}
.hero-facts .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start;min-height:140px}
.fact .fic{width:48px;height:48px;flex:none;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-size:22px;margin-top:2px}
.fact .fic-txt{flex:1;display:flex;flex-direction:column;min-width:0}
.fact b{display:block;font-size:16.5px;color:var(--navy);margin-bottom:6px;letter-spacing:.01em;line-height:1.4}
.fact span{display:block;font-size:13px;color:var(--muted);line-height:1.7}

/* ===== 首页 about 区块 ===== */
.split2{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.split2 h3{font-size:21px;color:var(--navy);margin-bottom:14px}
.lead-p{color:var(--muted);font-size:14.5px}
.lead-p strong{color:var(--ink)}
.info-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 28px;box-shadow:var(--shadow)}
.info-card h4{font-size:15px;color:var(--navy);display:flex;align-items:center;gap:9px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.kv-list .kv{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.kv-list .kv:last-child{border-bottom:none}
.kv-list dt{color:var(--muted);flex:none}
.kv-list dd{font-weight:700;color:var(--navy);text-align:right}
.text-link{display:inline-flex;align-items:center;gap:7px;margin-top:20px;color:var(--blue);font-weight:700;font-size:14px}
.text-link:hover{gap:11px}
.text-link{transition:gap .18s}
/* 会社概要页右栏纵向布局：内容顶部排布、底部配图自动填满剩余高度，底部与左表对齐 */
.cd-right{display:flex;flex-direction:column;height:100%}
.cd-right .lead-p{flex:none}
.cd-right .img-grid{flex:none}
.cd-right figure{border:none;background:none;box-shadow:none}
.cd-right .cd-fill-wrap{flex:1;min-height:110px;margin-top:18px;display:flex}
.cd-right .cd-fill{flex:1;display:flex;flex-direction:column;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}
.cd-right .cd-fill img{flex:1;width:100%;min-height:0;object-fit:cover;display:block}
.cd-right .cd-fill figcaption{flex:none;padding:8px 16px;font-size:12.5px;color:var(--muted);text-align:center;border-top:1px solid var(--line)}

/* ===== 首页事业/产品预览 ===== */
.pv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pv-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow);display:flex;gap:28px;align-items:center;transition:.2s}
.pv-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(14,42,71,.13)}
.pv-card .pv-photo{flex:none;width:160px;height:160px;border-radius:16px;overflow:hidden;background:var(--soft);display:grid;place-items:center}
.pv-card .pv-photo img{width:100%;height:100%;object-fit:cover}
.pv-card h3{font-size:19px;color:var(--navy);font-weight:800;margin-bottom:8px}
.pv-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
.pv-more{grid-column:1/-1;text-align:center;margin-top:34px}

/* ===== 深蓝优势卡 ===== */
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.strength-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 24px;transition:.22s;box-shadow:var(--shadow)}
.strength-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(14,42,71,.14);border-color:#C9D8EE}
.strength-card .sic{font-size:30px;line-height:1}
.strength-card b{display:block;margin:16px 0 8px;font-size:16.5px;letter-spacing:.02em;color:var(--navy)}
.strength-card span{font-size:13px;color:var(--muted);line-height:1.75;display:block}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card-ico{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}
.card-ico:hover{transform:translateY(-3px)}
.card-ico .cic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-size:20px;margin-bottom:14px}
.card-ico h3{font-size:16.5px;color:var(--navy);margin-bottom:8px}
.card-ico p{font-size:13px;color:var(--muted)}
.card-ico .card-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--blue);font-weight:700;font-size:13.5px;transition:gap .18s}
a.card-ico{display:block;color:inherit}
a.card-ico:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(14,42,71,.14);border-color:#C9D8EE}
a.card-ico:hover .card-more{gap:10px}

/* ===== 子页页头 banner ===== */
.page-hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(160deg,var(--navy),var(--navy-2));display:flex;align-items:center;min-height:430px}
.page-hero img.ph-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 32%;opacity:.92}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,36,.72) 0%,rgba(8,20,36,.38) 40%,rgba(8,20,36,.05) 72%,rgba(8,20,36,0) 100%)}
.page-hero-in{position:relative;z-index:2;max-width:var(--wrap-w);margin:0 auto;padding:110px clamp(16px,2.4vw,38px);width:100%}
.page-hero h1{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:.03em}
.page-hero .ph-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;font-weight:700;letter-spacing:.26em;color:#B9C9DE;margin-bottom:14px}
.page-hero .ph-eyebrow::before{content:"";width:22px;height:2px;background:var(--gold)}
.crumb{margin-top:16px;font-size:12.5px;color:#C4D3E6}
.crumb a:hover{color:#fff}

/* ===== 通用内容排版（隐私/公司正文） ===== */
.rich{max-width:860px;margin:0 auto;font-size:14.5px;color:var(--ink)}
.rich h2{font-size:22px;color:var(--navy);margin:38px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.rich h3{font-size:17px;color:var(--navy);margin:28px 0 10px}
.rich p{margin:10px 0}
.rich ol,.rich ul{margin:12px 0;padding-left:22px}
.rich ol{list-style:decimal}
.rich ul{list-style:disc}
.rich li{margin:6px 0;line-height:1.9}
.rich .notice{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:16px 18px;margin:22px 0;font-size:13.5px}

/* ===== 业务内容 ===== */
.biz-head{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:30px 32px;margin-bottom:30px}
.biz-head p{color:var(--muted);font-size:14.5px}
.biz-block{margin-bottom:52px;scroll-margin-top:100px}
.biz-block .bb-title{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.biz-block .bb-no{width:44px;height:44px;flex:none;border-radius:13px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 14px rgba(14,42,71,.25)}
.biz-block h2{font-size:22px;color:var(--navy);font-weight:800}
.biz-block .bb-para{color:var(--muted);font-size:14.5px;max-width:820px}
.biz-block .bb-para + .bb-para{margin-top:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);color:var(--navy);font-size:12.5px;font-weight:600;padding:7px 14px;border-radius:99px}
.tag-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--blue)}
.img-cap{margin-top:14px;font-size:12px;color:var(--muted)}
.img-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:22px}
.img-grid figure{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.img-grid img{width:100%;height:230px;object-fit:cover}
.img-grid figcaption{padding:12px 16px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line)}

/* ===== 产品卡片 ===== */
.prod-feature{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;margin-bottom:30px}
.prod-feature .pf-img{background:
  linear-gradient(150deg,#F7FAFD,#EAF1F8);
  display:grid;place-items:center;padding:46px 40px;min-height:400px;position:relative;overflow:hidden}
.prod-feature .pf-img::before{content:none}
.prod-feature .pf-img img{max-height:430px;object-fit:contain;position:relative;z-index:1}
.prod-feature .pf-body{padding:44px 46px;display:flex;flex-direction:column;justify-content:center}
.prod-feature .pf-tag{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--blue);text-transform:uppercase}
.prod-feature h3{font-size:28px;color:var(--navy);margin:10px 0 14px;font-weight:800}
.prod-feature p{color:var(--muted);font-size:14.5px}
.prod-uses{margin-top:18px;display:flex;flex-wrap:wrap;gap:9px}
.spec-table{width:100%;border-collapse:collapse;margin-top:22px;font-size:13.5px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:11px 16px;text-align:left}
.spec-table th{background:var(--soft);color:var(--navy);font-weight:700;white-space:nowrap;width:38%}
.spec-table td{color:var(--ink);font-weight:600}
.prod-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(14,42,71,.13)}
.prod-card .pc-img{background:linear-gradient(150deg,#F7FAFD,#EAF1F8);padding:0;display:flex;align-items:center;justify-content:center;height:300px;overflow:hidden}
.prod-card .pc-img img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.prod-card .pc-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.prod-card h3{font-size:20px;color:var(--navy);font-weight:800}
.prod-card .pc-sub{font-size:12.5px;color:var(--muted);margin-top:3px;letter-spacing:.06em}
.prod-card .pc-spec{margin-top:14px;font-size:14px;color:var(--ink);line-height:2}
.prod-card .pc-spec b{color:var(--navy)}
.prod-card .pc-foot{margin-top:auto;padding-top:16px}

/* ===== 联系页 ===== */
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:7px}
.form-row label .req{color:#D44848;margin-left:4px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;
  font-family:inherit;background:var(--white);color:var(--ink);transition:.15s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,111,217,.12)}
.form-row textarea{min-height:130px;resize:vertical}
.agree-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--muted);margin:18px 0}
.agree-row input{margin-top:3px}
.agree-row a{color:var(--blue);font-weight:600}
.info-list{display:flex;flex-direction:column;gap:16px}
.info-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:var(--shadow)}
.info-item .ii-ic{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:18px;margin-bottom:12px}
.info-item h3{font-size:15px;color:var(--navy);margin-bottom:8px}
.info-item .big{font-size:20px;font-weight:800;color:var(--navy);letter-spacing:.02em}
.info-item a.mail{color:var(--blue);font-weight:700;word-break:break-all}
.info-item .small{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.8}
.hours-chip{display:inline-flex;gap:8px;align-items:center;background:var(--soft);border-radius:8px;padding:5px 11px;font-size:12px;color:var(--navy);font-weight:600;margin-top:8px}
.map-note{background:var(--soft);border:1px dashed var(--line);border-radius:14px;padding:14px 16px;font-size:12.5px;color:var(--muted);margin-top:12px}

/* ===== 页脚 ===== */
.site-foot{background:#0A1B2F;color:#8FA4BE;font-size:13px}
.foot-top{max-width:var(--wrap-w);margin:0 auto;padding:52px clamp(16px,2.4vw,38px) 30px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:34px}
.foot-brand b{color:#fff;font-size:16px;letter-spacing:.02em}
.foot-brand p{margin-top:12px;font-size:12.5px;line-height:1.9;color:#8FA4BE;max-width:320px}
.foot-col h4{color:#fff;font-size:13.5px;margin-bottom:14px;letter-spacing:.04em}
.foot-col a{display:block;color:#8FA4BE;padding:5px 0;transition:.15s}
.foot-col a:hover{color:#fff;padding-left:4px}
.foot-contact{line-height:2}
.foot-contact span{display:block}
.foot-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0}
.foot-bottom-in{max-width:var(--wrap-w);margin:0 auto;padding:0 clamp(16px,2.4vw,38px);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;font-size:12px}
.foot-bottom-in a{color:#9FB4CC}
.foot-bottom-in a:hover{color:#fff}
.copy{color:#667E9A}

/* ===== 无障碍跳过链接 ===== */
.skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--navy);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-size:13px}
.skip:focus{left:0}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(135deg,#0E2A47,#16406B);position:relative;overflow:hidden;color:#fff;text-align:center;padding:64px 0}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 15% 0%,rgba(91,155,238,.2),transparent 60%),radial-gradient(600px 280px at 90% 100%,rgba(184,147,47,.12),transparent 60%)}
.cta-band .wrap{position:relative}
.cta-band h2{font-size:26px;font-weight:800;letter-spacing:.02em}
.cta-band p{margin-top:12px;color:#C4D3E6;font-size:14px}
.cta-band .btn-primary{margin-top:26px}

/* ===== 滚动出现 ===== */
.rv{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.rv.in{opacity:1;transform:none}

/* 语言切换与 CTA 恒不被压缩 */
.lang-switch{flex:none}
.lang-switch button{white-space:nowrap;flex:none}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .brand .b-tagline{display:none}
  .lang-switch{margin-left:16px}
  .head-cta{margin-left:4px}
  .main-nav .m-link{padding:8px 10px}
  .head-in{gap:16px}
}
/* 导航较挤时：隐藏副标、收紧间距，保证日/英长文本也能横排放下 */
@media (max-width:1180px){
  .lang-switch{margin-left:8px}
  .head-cta{margin-left:4px}
  .main-nav .m-link{padding:8px 8px}
  .head-in{gap:10px}
  .main-nav{gap:3px}
  .brand{gap:10px}
  .brand .b-name{font-size:18px}
}
/* 导航放不下时（日语/英文较长）→ 汉堡菜单，避免挤压 */
@media (max-width:1180px){
  .brand{flex:none;justify-content:flex-start}
  .head-in{height:66px;gap:12px}
  .brand .b-logo{width:42px;height:42px;border-radius:10px}
  .brand .b-name{font-size:16.5px}
  .brand .b-tagline small{font-size:9.5px;letter-spacing:.28em}
  .brand .b-tagline{display:flex}
  .main-nav .m-link,.head-cta{display:none}
  .burger{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;margin-left:auto;font-size:19px}
  .mobile-nav{
    position:fixed;inset:66px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 44px rgba(14,42,71,.16);padding:10px 20px 22px;display:none;z-index:70;max-height:calc(100vh - 66px);overflow:auto;
  }
  .mobile-nav.open{display:block}
  .mobile-nav a.m-link{display:block;padding:13px 6px;font-size:16px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
  .mobile-nav a.m-link{width:auto}
  .mobile-nav .drop{position:static;display:block;border:none;box-shadow:none;padding:0 0 6px 14px}
  .mobile-nav .drop a{padding:9px 6px}
  .mobile-nav .m-cta{display:block;text-align:center;margin-top:16px}
  .lang-switch{margin-left:0}
}
@media (max-width:900px){
  .section{padding:60px 0}
  .hero{min-height:600px;height:auto;display:flex;align-items:center}
  .hero .hero-bg{position:absolute;inset:0}
  .hero .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
  .hero-in{position:relative;padding:40px 0}
  .hero-in .wrap-content>*{max-width:100%}
  .hero-facts .grid3{grid-template-columns:1fr}
  .split2{grid-template-columns:1fr;gap:30px}
  .pv-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .img-grid{grid-template-columns:1fr}
  .prod-feature{grid-template-columns:1fr}
  .prod-feature .pf-body{padding:28px}
  .prod-grid3{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr;gap:26px}
  .hero-acts .btn-primary,.hero-acts .btn-ghost-l{padding:12px 20px;font-size:13.5px}
  .sec-title{font-size:25px}
}
@media (max-width:1020px){
  .strength-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid3{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .strength-grid{grid-template-columns:1fr}
  .prod-card .pc-img{height:230px}
  .pv-card{flex-direction:column;text-align:center}
  .pv-card .pv-photo{width:200px;height:200px}
  .kv-list{flex-direction:column}
  .kv-list .kv{flex-direction:column;gap:2px}
  .kv-list dd{text-align:left}
  .hero-facts{padding:40px 16px 0}
  .fact{padding:20px 18px}
}


/* ===== 手机端窄屏增强（追加层） ===== */
@media (max-width:767px){
  .head-in{height:60px;padding:0 14px;gap:10px}
  .brand{gap:9px}
  .brand .b-logo{width:38px;height:38px;border-radius:9px}
  .brand .b-name{font-size:15px;letter-spacing:.02em}
  .burger{width:38px;height:38px;border-radius:9px;font-size:17px}
  .mobile-nav{inset:60px 0 auto 0;max-height:calc(100vh - 60px);padding:8px 14px 18px}
  .section{padding:50px 0}
  .sec-title{font-size:24px;line-height:1.3}
  .page-hero{min-height:360px}
  .page-hero-in{padding:64px 18px}
  .hero{min-height:0;height:auto;padding:62px 0 24px}
  .hero-in .wrap-content{padding:0 18px}
  .hero h1{font-size:clamp(25px,7vw,34px);line-height:1.3}
  .hero-eyebrow{font-size:11px;padding:6px 12px;margin-bottom:16px}
  .hero-acts{flex-direction:column;align-items:stretch}
  .btn-primary,.btn-ghost-l{justify-content:center}
  .pv-card{padding:20px 16px}
  .prod-card .pc-body{padding:20px 18px 24px}
  .prod-card h3{font-size:18px}
  .contact-wrap{gap:22px}
  .form-card{padding:20px 16px}
  .info-item{padding:18px 16px}
  .info-item .big{font-size:18px}
  .biz-head{padding:22px 18px}
  .prod-feature .pf-body{padding:24px 18px}
  .prod-feature h3{font-size:23px}
  .img-grid img{height:auto;aspect-ratio:4/3;object-fit:cover}
  .foot-top{padding:40px 16px 24px}
  .cta-band{padding:46px 0}
}
@media (max-width:480px){
  .brand .b-tagline{display:none}
  .brand .b-name{font-size:14.5px}
  .sec-title{font-size:22px}
  .prod-grid3{gap:16px}
  .kv-list .kv{gap:8px;font-size:12.5px}
  .foot-bottom-in{justify-content:center;text-align:center}
  .hero .wrap-content{width:100%}
}


/* ===== 禁止横向滚动 ===== */
html,body{overflow-x:hidden;max-width:100%}
body{position:relative}
.wrap,.head-in,.hero-in,.hero-facts,.page-hero,.page-hero-in,.foot-top,.foot-bottom-in,.contact-wrap,.prod-grid3,.pv-grid,.img-grid,.split2{min-width:0;max-width:100%}
@media (max-width:767px){
  .hero .hero-bg,.hero .hero-bg img,.page-hero img.ph-bg{width:100%;max-width:none}
}