/*
Theme Name: Shenghe Net Global
Theme URI: https://shenghechemical.net
Description: Multi-language chemical export theme for shenghechemical.net (deep navy + gold, distinct from main site)
Version: 1.0.0
Author: Shenghe Chemical
*/

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: #1c2733; background: #f4f1ea; }
a { color: inherit; }
img { max-width: 100%; height: auto; }

/* ===== topbar ===== */
.topbar { background: #0e1a30; color: #e8e4da; font-size: 12px; padding: 6px 0; }
.topbar .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.topbar a { color: #c9a227; text-decoration: none; }

/* ===== nav ===== */
.nav { background: #13203a; border-bottom: 3px solid #c9a227; position: sticky; top: 0; z-index: 10; }
.nav .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand .logo { width: 38px; height: 38px; border-radius: 9px; background: linear-gradient(135deg,#c9a227,#e8c96a); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; color: #0e1a30; }
.brand .name { color: #f5f1e6; font-size: 17px; font-weight: 700; }
.brand .name span { color: #c9a227; }
.brand .sub { display: block; font-size: 10px; color: #8f9bb0; font-weight: 400; letter-spacing: 1.2px; text-transform: uppercase; }
.nav-links { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.nav-links a { color: #d5dbe6; text-decoration: none; font-size: 14px; padding: 8px 13px; border-radius: 7px; }
.nav-links a:hover { background: #1d2d4d; color: #fff; }
.nav-links .active { background: #c9a227; color: #0e1a30; font-weight: 700; }

/* ===== language switcher ===== */
.lang-sw { position: relative; margin-left: 8px; }
.lang-sw .sw-btn { display: flex; align-items: center; gap: 7px; background: #1d2d4d; color: #e8e4da; border: 1px solid #2e4268; border-radius: 8px; padding: 7px 12px; font-size: 13px; cursor: pointer; text-decoration: none; }
.lang-drop { display: none; position: absolute; right: 0; top: 110%; background: #0e1a30; border: 1px solid #2e4268; border-radius: 10px; padding: 10px; width: 250px; box-shadow: 0 12px 30px rgba(0,0,0,.4); z-index: 20; }
.lang-sw:hover .lang-drop { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.lang-drop a { display: flex; align-items: center; gap: 7px; padding: 6px 8px; border-radius: 6px; color: #cfd6e2; text-decoration: none; font-size: 12px; }
.lang-drop a:hover { background: #1d2d4d; color: #fff; }
.lang-drop .current { color: #e8c96a; }

/* ===== page content area ===== */
.site-main { max-width: 1200px; margin: 0 auto; padding: 40px 20px 60px; }
.sh-page h1 { font-size: 32px; color: #0e1a30; margin-bottom: 16px; }
.sh-page p { font-size: 15px; line-height: 1.75; color: #3a4656; margin-bottom: 14px; }

/* ===== hero ===== */
.hero { position: relative; background: linear-gradient(120deg,#0e1a30 0%,#13203a 45%,#1a2c4e 100%); color: #fff; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -120px; top: -80px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle,rgba(201,162,39,.28) 0%,transparent 65%); }
.hero .inner { max-width: 1200px; margin: 0 auto; padding: 70px 20px 80px; position: relative; z-index: 2; }
.hero .tag { display: inline-block; background: rgba(201,162,39,.16); border: 1px solid rgba(201,162,39,.5); color: #e8c96a; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: 40px; line-height: 1.15; font-weight: 800; max-width: 680px; margin-bottom: 18px; }
.hero h1 .hl { color: #e8c96a; }
.hero p { font-size: 17px; line-height: 1.7; color: #b9c3d4; max-width: 620px; margin-bottom: 32px; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .cta a { text-decoration: none; font-size: 15px; font-weight: 700; padding: 14px 26px; border-radius: 10px; }
.hero .cta .gold { background: #c9a227; color: #0e1a30; }
.hero .cta .ghost { border: 1px solid #3d5177; color: #dfe5f0; }
.hero .stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero .stats .num { font-size: 28px; font-weight: 800; color: #e8c96a; }
.hero .stats .lbl { font-size: 12px; color: #8f9bb0; margin-top: 4px; }

/* ===== features ===== */
.features { background: #fbf9f4; border-bottom: 1px solid #e6dfd0; }
.features .inner { max-width: 1200px; margin: 0 auto; padding: 26px 20px; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.feature { display: flex; gap: 12px; align-items: flex-start; }
.feature .ic { width: 42px; height: 42px; border-radius: 10px; background: #13203a; color: #e8c96a; display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.feature h4 { font-size: 14px; color: #0e1a30; margin-bottom: 3px; }
.feature p { font-size: 12px; color: #6b7586; line-height: 1.5; }

/* ===== categories ===== */
.cats { max-width: 1200px; margin: 0 auto; padding: 60px 20px 30px; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.sec-head h2 { font-size: 28px; color: #0e1a30; font-weight: 800; }
.sec-head h2 span { color: #a8852a; }
.sec-head p { font-size: 13px; color: #7a8494; max-width: 420px; }
.cat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.cat-card { background: #fff; border: 1px solid #e6dfd0; border-radius: 14px; padding: 22px; text-decoration: none; transition: all .2s; display: block; color: inherit; }
.cat-card:hover { box-shadow: 0 10px 26px rgba(14,26,48,.12); transform: translateY(-3px); border-color: #c9a227; }
.cat-card .ico { width: 46px; height: 46px; border-radius: 11px; background: linear-gradient(135deg,#13203a,#1d2d4d); color: #e8c96a; display: flex; align-items: center; justify-content: center; font-size: 21px; margin-bottom: 14px; }
.cat-card h3 { font-size: 16px; color: #0e1a30; margin-bottom: 6px; }
.cat-card p { font-size: 12.5px; color: #6b7586; line-height: 1.55; }
.cat-card .more { display: inline-block; margin-top: 12px; font-size: 12.5px; color: #a8852a; font-weight: 700; }

/* ===== duo ===== */
.duo { max-width: 1200px; margin: 0 auto; padding: 50px 20px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; }
.why h2, .langcov h2 { font-size: 24px; color: #0e1a30; margin-bottom: 18px; }
.why ul { list-style: none; }
.why li { display: flex; gap: 11px; padding: 11px 0; border-bottom: 1px dashed #ddd4c2; font-size: 14.5px; color: #3a4656; }
.why li .ck { color: #c9a227; font-weight: 800; }
.langcov { background: #0e1a30; border-radius: 16px; padding: 26px; color: #fff; }
.langcov h2 { color: #f5f1e6; }
.langcov .chips { display: flex; flex-wrap: wrap; gap: 8px; }
.langcov .chip { display: inline-flex; align-items: center; gap: 6px; background: #1d2d4d; border: 1px solid #2e4268; border-radius: 999px; padding: 6px 12px; font-size: 12.5px; color: #dfe5f0; }
.langcov .note { margin-top: 14px; font-size: 12px; color: #8f9bb0; line-height: 1.6; }

/* ===== footer ===== */
.site-footer { background: #0e1a30; color: #8f9bb0; padding: 44px 0 30px; margin-top: 40px; }
.site-footer .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.site-footer h5 { color: #f5f1e6; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }
.site-footer a { color: #aeb8c9; text-decoration: none; font-size: 13px; display: block; margin-bottom: 8px; }
.site-footer a:hover { color: #e8c96a; }
.site-footer .copyright { text-align: center; margin-top: 34px; padding-top: 20px; border-top: 1px solid #1d2d4d; font-size: 12px; }

@media (max-width: 900px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .duo { grid-template-columns: 1fr; }
  .features .inner { grid-template-columns: 1fr 1fr; }
  .site-footer .inner { grid-template-columns: 1fr; }
  .nav .inner { flex-wrap: wrap; height: auto; padding: 12px 20px; }
}