/* ============================================================
   MANGO KING — mangochem.com stylesheet
   Light theme, hand-crafted, no framework
   ============================================================ */
:root {
  --brand:        #3e89e5;
  --brand-deep:   #2e6fb5;
  --brand-dark:   #1c4a80;
  --accent:       #2fa7d9;
  --accent-deep:  #1f86b4;
  --accent-light: #e8f4fc;
  --bg:           #ffffff;
  --bg-soft:      #f4f7fa;
  --bg-soft-2:    #eaf1f8;
  --card:         #ffffff;
  --line:         #e2e8ef;
  --ink:          #333333;
  --ink-2:        #4a5568;
  --ink-3:        #7a8698;
  --heading:      #1f2d3d;
  --hl:           #2e6fb5;
  --header-bg:    rgba(255,255,255,.96);
  --shadow-sm:    0 2px 10px rgba(30,74,128,.07);
  --shadow:       0 10px 30px rgba(30,74,128,.10);
  --shadow-lg:    0 22px 60px rgba(30,74,128,.15);
  --maxw:         1240px;
  --header-h:     74px;
  --ease:         cubic-bezier(.22,.61,.36,1);
  --radius:       14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; vertical-align: middle; }
a { color: var(--hl); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent-deep); }
h1,h2,h3,h4 { color: var(--heading); line-height: 1.25; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.center { text-align: center; }
.narrow { max-width: 820px; }

/* ---------- buttons ---------- */
.btn { display: inline-block; padding: 12px 26px; border-radius: 999px; font-weight: 600;
       border: 2px solid transparent; cursor: pointer; transition: all .25s var(--ease); font-size: .95rem; }
.btn-sm { padding: 8px 18px; font-size: .88rem; }
.btn-accent { background: var(--accent); color: var(--brand-dark); }
.btn-accent:hover { background: var(--accent-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-ghost:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---------- header ---------- */
.site-head { position: sticky; top: 0; z-index: 50; background: var(--header-bg);
             backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 10px; color: var(--heading); }
.logo .mark { width: 38px; height: 38px; }
.logo-t { font-size: 1.22rem; font-weight: 700; letter-spacing: .06em; color: var(--heading); }
.logo-t b { color: var(--accent-deep); }
.nav { list-style: none; display: flex; gap: 4px; margin: 0 0 0 auto; padding: 0; }
.nav > li { position: relative; }
.nav-a { display: flex; align-items: center; gap: 5px; padding: 10px 16px; border-radius: 999px;
         color: var(--ink-2); font-weight: 600; font-size: .95rem; }
.nav-a:hover { color: var(--hl); background: var(--bg-soft); }
.nav > li.active > .nav-a { color: #fff; background: var(--brand); }
.car { width: 10px; height: 6px; opacity: .7; }
.drop { list-style: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 300px;
        background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        box-shadow: var(--shadow); padding: 8px; margin: 0; opacity: 0; visibility: hidden;
        transform: translateY(8px); transition: all .22s var(--ease); }
.has-drop:hover .drop, .has-drop:focus-within .drop { opacity: 1; visibility: visible; transform: none; }
.drop a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px;
          color: var(--ink-2); font-size: .93rem; }
.drop a:hover { background: var(--bg-soft); color: var(--hl); }
.chip { display: inline-block; background: var(--accent-light); color: var(--accent-deep);
        border-radius: 6px; padding: 1px 8px; font-size: .78rem; font-weight: 700; letter-spacing: .03em; }
.drop .chip { flex: 0 0 auto; min-width: 44px; text-align: center; }
.head-tools { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.lang-sw { display: inline-flex; align-items: center; gap: 2px; border: 1px solid var(--line);
           border-radius: 999px; padding: 4px 10px; white-space: nowrap; background: var(--card); }
.lang-a { font-size: .86rem; font-weight: 600; color: var(--ink-3); padding: 3px 8px; border-radius: 999px; transition: all .2s; }
.lang-a:hover { color: var(--hl); }
.lang-a.on { background: var(--brand); color: #fff; }
.lang-sw .sep { color: var(--line); font-size: .8rem; }
.head-cta { white-space: nowrap; }
.burger { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 8px; }
.burger span { display: block; height: 2px; background: var(--heading); margin: 5px 0; border-radius: 2px; transition: all .25s var(--ease); }

/* ---------- hero carousel ---------- */
.hero-carousel { position: relative; background: var(--brand-deep); color: #fff; overflow: hidden; }
.hero-carousel .slides { display: grid; }
.hero-carousel .slide { grid-area: 1 / 1; opacity: 0; transition: opacity .9s var(--ease); pointer-events: none; position: relative; }
.hero-carousel .slide.active { opacity: 1; pointer-events: auto; }
.slide-bg { position: absolute; inset: 0; background-position: center; background-size: cover; background-repeat: no-repeat; }
.slide-a .slide-tint { position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,44,80,.10) 0%, rgba(15,44,80,0) 35%, rgba(13,38,70,.22) 100%); }
.hero-in { position: relative; z-index: 1; padding: 90px 22px 70px; max-width: 860px; }
.hero-min { max-width: none; display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
  text-align: center; min-height: 520px; padding: 140px 22px 72px; }
.hero-min .btn-row { justify-content: center; margin-bottom: 6px; }
.hero-min .btn { padding: 13px 34px; font-size: 1.02rem; }
.hero-min .stats { width: min(880px, 100%); margin-top: 34px; }
.hero-min .stat { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.28); }
.hero-min .stat b { color: #fff; text-shadow: 0 1px 8px rgba(10,40,80,.35); }
.hero-min .stat span { color: rgba(255,255,255,.95); text-shadow: 0 1px 6px rgba(10,40,80,.30); }
.hero-carousel .kicker { color: var(--accent); letter-spacing: .22em; font-weight: 700; font-size: .82rem; margin-bottom: 14px; }
.hero-carousel h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.2rem); max-width: 760px; }
.hero-carousel .lede { color: rgba(255,255,255,.86); max-width: 680px; font-size: 1.06rem; }
.hero-carousel .btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.hero-carousel .btn-ghost:hover { background: #fff; color: var(--brand-deep); }
.slide-a { min-height: 518px; }
.slide-b { min-height: 518px; }
.slide-b .slide-bg { background-position: center; }
.slide-b .slide-link { position: absolute; inset: 0; z-index: 1; }
.slide-b .slide-cta { position: absolute; z-index: 2; right: 5%; bottom: 9%; }
@media (max-width: 760px) {
  .hero-min { min-height: 380px; padding: 90px 22px 64px; }
  .slide-a { min-height: 330px; }
  .slide-b { min-height: 330px; }
  .slide-b .slide-bg { background-position: 28% center; }
  .slide-b .slide-cta { right: 16px; bottom: 16px; }
}
.car-btn { position: absolute; z-index: 5; top: 50%; transform: translateY(-50%); width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.35); background: rgba(20,40,70,.35); color: #fff;
  cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .25s; backdrop-filter: blur(3px); }
.car-btn:hover { background: var(--brand); border-color: var(--brand); }
.car-btn.prev { left: 18px; }
.car-btn.next { right: 18px; }
.car-dots { position: absolute; z-index: 5; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 999px; border: 0; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.45); transition: all .3s var(--ease); }
.dot.active { width: 28px; background: var(--accent); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 44px; }
.stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius);
        padding: 16px 18px; backdrop-filter: blur(4px); }
.stat b { display: block; font-size: 1.7rem; color: var(--accent); }
.stat span { font-size: .86rem; color: rgba(255,255,255,.82); }

/* ---------- sections ---------- */
.sec { padding: 72px 0; }
.sec-soft { background: var(--bg-soft); }
.kicker { letter-spacing: .22em; color: var(--accent-deep); font-weight: 700; font-size: .8rem; margin-bottom: 10px; }
.lede { color: var(--ink-2); font-size: 1.04rem; max-width: 860px; }
.feats { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin: 34px 0 26px; }
.feat { border-left: 3px solid var(--accent); padding-left: 16px; }
.feat h4 { color: var(--heading); margin-bottom: 6px; }
.feat p { color: var(--ink-2); font-size: .95rem; margin: 0; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 26px; box-shadow: var(--shadow-sm); transition: all .25s var(--ease); }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.cat-card { display: block; color: inherit; position: relative; overflow: hidden; }
.cat-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; z-index: 1;
                    background: linear-gradient(90deg, var(--brand), var(--accent)); opacity: 0; transition: opacity .25s; }
.cat-card:hover::before { opacity: 1; }
.cover { border-radius: 10px; overflow: hidden; margin-bottom: 14px; background: var(--bg-soft-2); }
.cover img { display: block; width: 100%; height: 210px; object-fit: cover; transition: transform .35s var(--ease); }
.cat-card:hover .cover img { transform: scale(1.04); }
.cat-code { font-size: 2rem; font-weight: 800; color: var(--accent-light); -webkit-text-stroke: 1.5px var(--accent-deep);
            letter-spacing: .05em; margin-bottom: 8px; line-height: 1; }
.cat-card.wide { display: flex; flex-direction: column; gap: 10px; }
.cat-card h3 a { color: var(--heading); }
.cat-card p { color: var(--ink-2); font-size: .95rem; flex: 1; }
.more { color: var(--accent-deep); font-weight: 700; font-size: .9rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 12px; }
.chip-row .chip { font-size: .82rem; padding: 4px 12px; }

/* ---------- markets ---------- */
.mkts { display: flex; flex-wrap: wrap; gap: 14px; max-width: 980px; }
.mkt { display: inline-flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--line);
       border-radius: 999px; padding: 8px 20px 8px 10px; font-weight: 600; color: var(--ink-2); box-shadow: var(--shadow-sm); }
.sec-soft .mkt { background: var(--bg); }
.mkt:hover { border-color: var(--brand); color: var(--hl); }
.flag { width: 30px; height: 21px; object-fit: cover; border-radius: 3px; border: 1px solid var(--line);
        box-shadow: 0 1px 3px rgba(0,0,0,.12); display: block; }

/* ---------- gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.gallery img { width: 100%; height: 190px; object-fit: cover; border-radius: var(--radius);
               box-shadow: var(--shadow-sm); transition: transform .3s var(--ease); }
.gallery img:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

/* ---------- footer QR ---------- */
.foot-qr { margin-top: 14px; display: flex; align-items: center; gap: 12px; }
.foot-qr img { width: 88px; height: auto; background: #fff; border-radius: 8px; padding: 4px; display: block; }
.foot-qr a:hover img { outline: 2px solid var(--accent); }
.foot-qr span { color: rgba(255,255,255,.75); font-size: .8rem; line-height: 1.5; }
.band-note { margin-top: 28px; }
.band-note p { margin-left: auto; margin-right: auto; }

/* ---------- contact QR & about visuals ---------- */
.contact-single { display: grid; grid-template-columns: 380px 1fr; gap: 26px; align-items: stretch; max-width: 1100px; margin: 0 auto; }
@media (max-width: 900px) { .contact-single { grid-template-columns: 1fr; } }
.qr-box { display: flex; flex-direction: column; align-items: center; gap: 10px; margin: 18px 0;
          padding: 14px; background: var(--bg-soft); border: 1px dashed var(--line); border-radius: var(--radius); }
.qr-box img { width: 132px; height: auto; border-radius: 8px; background: #fff; display: block; }
.qr-box p { margin: 0; font-size: .9rem; color: var(--ink-2); line-height: 1.6; text-align: center; }
.qr-box a:hover img { outline: 2px solid var(--brand); }
.band-qr { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.qr-inline { display: flex; align-items: center; gap: 12px; }
.qr-inline img { width: 96px; height: auto; border-radius: 10px; background: #fff; padding: 5px; display: block; }
.qr-inline span { color: rgba(255,255,255,.85); font-size: .88rem; }
.contact-band .band-qr .btn-row { display: flex; }
.about-lead { display: grid; grid-template-columns: 1.5fr 1fr; gap: 36px; align-items: center; }
.lead-img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.stats-band2 { background: linear-gradient(135deg, #eef6fc 0%, #e3f0fa 55%, #dbe9f7 100%);
               border-top: 1px solid #d5e6f4; border-bottom: 1px solid #d5e6f4; padding: 64px 0; }
.stats-band2 .kicker { color: var(--brand); }
.stats-xl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.stat-big { text-align: center; background: #fff; border: 1px solid #dbe9f7; border-radius: var(--radius);
            padding: 30px 16px 26px; box-shadow: 0 8px 24px rgba(31,90,150,.08); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.stat-big:hover { transform: translateY(-5px); box-shadow: 0 16px 36px rgba(31,90,150,.14); }
.st-ic { width: 60px; height: 60px; margin: 0 auto 14px; color: var(--brand); background: #e8f3fb;
         border-radius: 16px; display: flex; align-items: center; justify-content: center; padding: 12px; }
.st-ic svg { width: 100%; height: 100%; }
.stat-big b { display: block; font-size: 2.7rem; font-weight: 800; color: var(--brand-deep, #17466f); line-height: 1.15;
              letter-spacing: .01em; }
.stat-big span { display: block; margin-top: 6px; font-size: .95rem; color: var(--ink-2); font-weight: 500; }
.cul-img { margin: -26px -26px 18px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; aspect-ratio: 16/9; }
.cul-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.cul:hover .cul-img img { transform: scale(1.05); }
@media (max-width: 900px) {
  .about-lead { grid-template-columns: 1fr; }
  .stats-xl { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- page head & crumbs ---------- */
.page-head { background: linear-gradient(135deg, var(--brand-deep), var(--brand)); color: #fff; padding: 58px 0 46px; }
.page-head h1 { color: #fff; margin: 10px 0 0; }
.page-head .lede { color: rgba(255,255,255,.85); }
.crumbs { font-size: .86rem; color: rgba(255,255,255,.75); }
.crumbs a { color: rgba(255,255,255,.9); }
.crumbs a:hover { color: var(--accent); }
.crumbs em { font-style: normal; opacity: .5; margin: 0 4px; }
.meta { color: var(--ink-3); font-size: .9rem; }

/* ---------- product ---------- */
.mol { border-radius: var(--radius); overflow: hidden; margin-bottom: 18px; }
.mol svg { display: block; width: 100%; height: auto; }
.mol-ring { fill: none; stroke: var(--brand); stroke-width: 2; opacity: .5; }
.mol-node { fill: var(--accent-deep); opacity: .8; }
.mol-dot { fill: var(--brand); opacity: .28; }
.mol-code { font-size: 44px; font-weight: 800; fill: var(--brand-deep); letter-spacing: .04em;
            font-family: "Segoe UI", Arial, sans-serif; }
.prod-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 34px; align-items: start; }
.prod-main .lede { font-size: 1.05rem; }
.prod-fig { margin: 6px 0 18px; text-align: center; }
.prod-fig img { max-width: 100%; max-height: 430px; width: auto; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.prod-main .sub-h { margin: 30px 0 10px; font-size: 1.22rem; color: var(--brand); }
.sec-h { margin: 34px 0 12px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 1.3rem; }
.spec-table { overflow-x: auto; margin: 14px 0 22px; border: 1px solid var(--line); border-radius: 10px; }
.spec-table table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 700px; }
.spec-table th, .spec-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table tr.head th { background: var(--brand); color: #fff; font-weight: 600; }
.spec-table tr.head th, .spec-table td:first-child { white-space: nowrap; }
.spec-table tr:nth-child(even) td { background: var(--bg-soft); }
.prod-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--header-h) + 20px); }
.inquire { background: linear-gradient(150deg, var(--brand-deep), var(--brand)); color: #fff; border: 0; }
.inquire h3 { color: #fff; }
.inquire p { color: rgba(255,255,255,.85); font-size: .93rem; }
.inquire .btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.inquire .btn-ghost:hover { background: #fff; color: var(--brand-deep); }
.side-card h4 { border-bottom: 2px solid var(--accent-light); padding-bottom: 10px; }
.side-card ul { list-style: none; margin: 0; padding: 0; }
.side-card li a { display: block; padding: 8px 2px; color: var(--ink-2); font-size: .92rem;
                  border-bottom: 1px dashed var(--line); }
.side-card li:last-child a { border-bottom: 0; }
.side-card li a:hover { color: var(--accent-deep); padding-left: 6px; }
.pn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pn { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px;
      color: inherit; box-shadow: var(--shadow-sm); }
.pn:hover { box-shadow: var(--shadow); }
.pn small { color: var(--ink-3); display: block; font-size: .82rem; }
.pn b { color: var(--heading); font-size: .98rem; }
.pn.next { text-align: right; }

/* ---------- news ---------- */
.news-card { display: flex; gap: 22px; align-items: flex-start; color: inherit; margin-bottom: 18px; }
.date { flex: 0 0 auto; text-align: center; background: var(--accent-light); border-radius: 12px; padding: 10px 16px; }
.date b { display: block; font-size: 1.5rem; color: var(--accent-deep); line-height: 1.1; }
.date span { font-size: .8rem; color: var(--ink-3); }
.news-card h3 { margin-bottom: 4px; }
.news-card p { color: var(--ink-2); margin: 0; font-size: .95rem; }

/* ---------- contact ---------- */
.person .avatar { width: 54px; height: 54px; border-radius: 50%; background: var(--brand); color: #fff;
                  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 700;
                  margin-bottom: 12px; }
.person h3 small { color: var(--ink-3); font-weight: 500; font-size: .85rem; margin-left: 6px; }
.p-line { display: block; color: var(--ink-2); font-size: .95rem; margin: 0 0 6px; }
.p-line strong { color: var(--heading); display: inline-block; min-width: 92px; font-weight: 600; }
.form-card { margin-top: 26px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.inq-form label { display: block; font-size: .9rem; color: var(--ink-2); font-weight: 600; margin-bottom: 14px; }
.inq-form input, .inq-form textarea { width: 100%; margin-top: 6px; padding: 11px 14px; border: 1px solid var(--line);
    border-radius: 10px; font: inherit; color: var(--ink); background: var(--bg); }
.inq-form input:focus, .inq-form textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.inq-form .hint { color: var(--ink-3); font-size: .82rem; margin: 10px 0 0; }

/* ---------- contact band ---------- */
.contact-band { display: flex; gap: 30px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.contact-band h2 { margin-bottom: 8px; }
.contact-band .lede { margin: 0; }

/* ---------- footer ---------- */
.site-foot { background: var(--brand-dark); color: rgba(255,255,255,.8); margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(44px, 9vw, 120px); padding: 64px 22px 48px; }
.site-foot .logo-t { color: #fff; }
.site-foot h4 { color: #fff; font-size: .98rem; letter-spacing: .08em; margin-bottom: 20px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 10px; font-size: .93rem; }
.site-foot a { color: rgba(255,255,255,.75); }
.site-foot a:hover { color: var(--accent); }
.foot-about p { font-size: .93rem; line-height: 2.05; color: rgba(255,255,255,.75); margin-top: 18px; }
.foot-markets { color: rgba(255,255,255,.5); font-size: .84rem; }
.foot-base { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; font-size: .86rem; color: rgba(255,255,255,.55); }
.foot-contact li { line-height: 1.7; }
.foot-qr { margin-top: 22px; display: flex; align-items: center; gap: 16px; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .prod-layout { grid-template-columns: 1fr; }
  .prod-side { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 760px) {
  .nav { position: fixed; inset: var(--header-h) 0 auto 0; background: var(--card); flex-direction: column;
         padding: 14px 22px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
         display: none; }
  .nav.open { display: flex; }
  .nav > li.active > .nav-a { background: transparent; color: var(--hl); }
  .drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0;
          padding: 0 0 0 14px; min-width: 0; display: none; }
  .has-drop.open .drop { display: block; }
  .burger { display: block; }
  .head-cta { display: none; }
  .grid-3, .grid-2, .f-row, .pn-row { grid-template-columns: 1fr; }
  .feats { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2,1fr); }
  .gallery img { height: 140px; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; padding: 40px 22px 30px; }
  .sec { padding: 52px 0; }
  .hero-in { padding: 60px 22px 50px; }
  .news-card { flex-direction: row; }
}

/* ---------- world map card ---------- */
.map-card { display: flex; flex-direction: column; }
.map-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.map-top h3 { margin: 0; font-size: 1.15rem; color: var(--heading); }
.map-sub { margin: 4px 0 0; font-size: .8rem; color: var(--ink-3); }
#mapSearch { border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px; font-size: .9rem;
             min-width: 220px; outline: none; transition: border-color .2s; }
#mapSearch:focus { border-color: var(--brand); }
.map-view { position: relative; flex: 1; border: 1px solid var(--line); border-radius: var(--radius);
            overflow: hidden; background: #eaf3fb; cursor: grab; touch-action: none; min-height: 300px; }
.map-view.grabbing { cursor: grabbing; }
.map-view svg { width: 100%; height: 100%; display: block; }
.map-view .c-x { fill: #f6fafd; stroke: #b9cede; stroke-width: .6; transition: fill .15s; }
.map-view .c-x:hover { fill: #d8e8f6; }
.map-view .c-mk { fill: var(--accent); stroke: #c47f0a; stroke-width: .7; }
.map-view .c-mk:hover { fill: var(--accent-deep); }
.map-view .hit { fill: #e2574c !important; stroke: #a93830 !important; stroke-width: 1; }
.map-zoom { position: absolute; right: 12px; bottom: 12px; display: flex; flex-direction: column; gap: 6px; }
.map-zoom button { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line);
                   background: #fff; color: var(--ink-2); font-size: 1.05rem; cursor: pointer; line-height: 1;
                   box-shadow: var(--shadow-sm); }
.map-zoom button:hover { border-color: var(--brand); color: var(--brand); }
.map-tip { position: absolute; left: 12px; top: 12px; background: rgba(15,40,70,.88); color: #fff;
           font-size: .82rem; padding: 5px 12px; border-radius: 999px; pointer-events: none; }
.map-note { margin: 12px 0 0; font-size: .85rem; color: var(--ink-3); display: flex; align-items: center; gap: 8px; }
.dot-mk { width: 12px; height: 12px; border-radius: 3px; background: var(--accent); display: inline-block; }
@media (max-width: 640px) { #mapSearch { width: 100%; } .map-view { min-height: 220px; } }

.site-foot .foot-contact .addr-line { white-space: nowrap; }

/* ---- contact popup ---- */
.pop-mask { position: fixed; inset: 0; z-index: 200; background: rgba(10,30,55,.62);
  display: flex; align-items: center; justify-content: center; padding: 20px; }
.pop-mask[hidden] { display: none; }
.pop-box { position: relative; background: #fff; border-radius: 16px; padding: 34px 36px 30px;
  max-width: 340px; width: 100%; text-align: center; box-shadow: 0 24px 60px rgba(10,30,55,.35); }
.pop-x { position: absolute; top: 10px; right: 14px; border: 0; background: none; font-size: 26px;
  line-height: 1; color: #9aa7b6; cursor: pointer; padding: 4px; }
.pop-x:hover { color: var(--brand-deep); }
.pop-pane h3 { margin: 0 0 14px; color: var(--brand-deep); font-size: 1.15rem; letter-spacing: .04em; }
.pop-qr { width: 170px; height: auto; border: 1px solid var(--line); border-radius: 10px; }
.pop-num { font-size: 1.06rem; font-weight: 700; color: var(--ink); margin: 14px 0 16px; }
.pop-mail { font-size: 1.04rem; font-weight: 700; color: var(--ink); margin: 6px 0 20px; word-break: break-all; }
.pop-pane .btn { min-width: 180px; }

/* ---- justified English paragraphs ---- */
.home-about .lede, .foot-about p { text-align: justify; hyphens: auto; }