/* ============================================================
   HorizonPack — style.css
   深海军蓝 + 珊瑚橙 · 现代美式 B2B 风格
   ============================================================ */
:root{
  --navy:#0F1B2D;
  --navy-2:#1B2A4A;
  --ink:#182234;
  --paper:#FFFFFF;
  --paper-2:#F4F7FB;
  --line:#E3E9F2;
  --accent:#FF5A2D;
  --accent-2:#FF7A45;
  --green:#1FA46C;
  --txt:#25314a;
  --muted:#5C6B85;
  --muted-l:#8FA0BC;
  --radius:16px;
  --shadow:0 10px 30px rgba(15,27,45,.08);
  --shadow-lg:0 24px 60px rgba(15,27,45,.16);
  --ease:cubic-bezier(.22,.8,.28,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;overflow-x:hidden}
body{
  font-family:'Inter',-apple-system,'Segoe UI',Roboto,'PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--txt);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none}
input,select,textarea,button{font:inherit;color:inherit}
.container{width:min(1180px,92%);margin:0 auto}
.container-narrow{width:min(820px,92%)}
.section{padding:96px 0}
.section-alt{background:var(--paper-2)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:999px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;box-shadow:0 8px 24px rgba(255,90,45,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,90,45,.45)}
.btn-ghost{border:2px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:17px}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-block{width:100%;padding:15px}

/* ---------- Header ---------- */
.header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,box-shadow .3s;padding:14px 0}
.header.scrolled{background:rgba(15,27,45,.92);backdrop-filter:blur(14px);box-shadow:0 4px 30px rgba(0,0,0,.25);padding:10px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:42px;height:42px;flex:none;filter:drop-shadow(0 4px 12px rgba(255,90,45,.4))}
.logo-word{font-weight:900;font-size:19px;letter-spacing:.06em;color:#fff}
.logo-word em{font-style:normal;color:var(--accent)}
.logo-word-light{color:#fff}
.nav{display:flex;gap:20px;flex-wrap:nowrap}
.nav a{color:rgba(255,255,255,.82);font-weight:600;font-size:14px;white-space:nowrap;position:relative;padding:4px 0;transition:color .2s}
.nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);border-radius:2px;transition:width .3s var(--ease)}
.nav a:hover{color:#fff}
.nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{display:flex;align-items:center;gap:5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:999px;padding:7px 14px;font-weight:700;font-size:13px;white-space:nowrap;transition:background .2s}
.lang-toggle:hover{background:rgba(255,255,255,.22)}
.lang-opt{opacity:.55;transition:opacity .2s;cursor:pointer}
.lang-opt.active{opacity:1;color:var(--accent-2)}
.lang-sep{opacity:.4}
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px}
.hamburger span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,#0F1B2D 0%,#16243F 55%,#1B2A4A 100%);color:#fff;padding:170px 0 70px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35}
.glow-1{width:480px;height:480px;background:#FF5A2D;top:-140px;right:-80px}
.glow-2{width:380px;height:380px;background:#2E5BFF;bottom:-160px;left:-100px;opacity:.22}
.cmyk-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1.5px,transparent 1.5px);background-size:26px 26px}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:600;color:#DCE5F3;margin-bottom:26px}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#3BE08F;box-shadow:0 0 0 0 rgba(59,224,143,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(59,224,143,0)}100%{box-shadow:0 0 0 0 rgba(59,224,143,0)}}
.hero-title{font-size:clamp(38px,4.6vw,60px);font-weight:900;line-height:1.08;letter-spacing:-.02em;margin-bottom:22px}
.hero-sub{font-size:18px;color:#B9C6DD;max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.hero-note{font-size:14px;color:#8FA0BC}
.hero-visual svg{width:100%;max-width:480px;margin:0 auto}
.float-slow{animation:floaty 6s ease-in-out infinite}
@keyframes floaty{50%{transform:translateY(-12px)}}
.float-chip{animation:floaty 7s ease-in-out infinite;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}
.chip-1{animation-delay:.8s}.chip-2{animation-delay:1.6s}.chip-3{animation-delay:2.4s}
.trust-line{position:relative;text-align:center;color:#7386A5;font-size:14px;font-weight:600;letter-spacing:.04em;padding-top:46px;margin-top:30px;border-top:1px solid rgba(255,255,255,.08)}

/* ---------- Stats ---------- */
.stats{background:var(--navy);color:#fff;padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:56px 0;text-align:center}
.stat-num{font-size:44px;font-weight:900;letter-spacing:-.02em}
.stat-num .counter{background:linear-gradient(120deg,#fff,#FF9C7A);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{color:#93A3BE;font-size:14px;margin-top:6px}

/* ---------- Section heads ---------- */
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.kicker{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;color:var(--accent);margin-bottom:14px}
.section-head h2{font-size:clamp(28px,3.2vw,40px);font-weight:800;letter-spacing:-.015em;color:var(--ink);line-height:1.2;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.section-head-light h2{color:#fff}
.section-head-light p{color:#A9B8D2}

/* ---------- Products ---------- */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;position:relative;overflow:hidden}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-2),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card:hover::before{transform:scaleX(1)}
.pc-icon{width:60px;height:60px;border-radius:14px;background:linear-gradient(135deg,#FFF1EB,#FFE3D8);color:var(--accent);display:grid;place-items:center;margin-bottom:22px;transition:transform .35s var(--ease)}
.pc-icon svg{width:34px;height:34px}
.product-card:hover .pc-icon{transform:scale(1.1) rotate(-4deg)}
.product-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:10px}
.product-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.pc-link{font-size:14px;font-weight:700;color:var(--accent);cursor:pointer;display:inline-block}
.pc-link:hover{text-decoration:underline}

/* ---------- WhatsApp 体系 ---------- */
.btn-wa{background:linear-gradient(135deg,#25D366,#12A64F);color:#fff;box-shadow:0 8px 22px rgba(37,211,102,.32)}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(37,211,102,.42)}
.btn-wa svg{width:22px;height:22px;flex:none}
.hero-wa{display:inline-flex;align-items:center;gap:9px;margin-top:14px;font-weight:700;font-size:14.5px;color:#7FE3A6;border-bottom:1px dashed rgba(127,227,166,.45);padding-bottom:2px;transition:color .2s,border-color .2s}
.hero-wa svg{width:22px;height:22px}
.hero-wa:hover{color:#25D366;border-color:#25D366}
.pc-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.pc-wa{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#128C43;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.3);border-radius:999px;padding:6px 12px;transition:all .22s var(--ease)}
.pc-wa svg{width:16px;height:16px}
.pc-wa:hover{background:#25D366;border-color:#25D366;color:#fff;transform:translateY(-2px)}
.wa-link-inline{color:#7FE3A6!important}
.wa-hero-btn{margin-top:22px;padding:16px 34px}
.wa-hours{font-size:12.5px;color:#8FA0BC;margin-top:12px}
.lb-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:12px}
.footer-wa{margin-top:6px}
.footer-wa a{color:#7FE3A6}
.footer-wa a:hover{text-decoration:underline}

/* 悬浮聊天气泡 */
.wa-fab{position:fixed;right:22px;bottom:22px;z-index:95;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.wa-bubble{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,#25D366,#12A64F);display:grid;place-items:center;box-shadow:0 8px 26px rgba(18,166,79,.45);position:relative;transition:transform .25s var(--ease)}
.wa-bubble svg{width:34px;height:34px}
.wa-bubble:hover{transform:scale(1.09)}
.wa-bubble::after{content:'';position:absolute;inset:0;border-radius:50%;border:2px solid #25D366;animation:waRing 2.4s infinite;pointer-events:none}
@keyframes waRing{0%{transform:scale(1);opacity:.7}70%{transform:scale(1.45);opacity:0}100%{opacity:0}}
.wa-panel{width:280px;background:#fff;border-radius:16px;padding:18px;box-shadow:0 18px 50px rgba(15,27,45,.24);position:relative;opacity:0;transform:translateY(12px) scale(.96);pointer-events:none;transition:all .3s var(--ease)}
.wa-fab.open .wa-panel{opacity:1;transform:none;pointer-events:auto}
.wa-panel-head{display:flex;gap:12px;margin-bottom:14px}
.wa-panel-head svg{width:42px;height:42px;flex:none}
.wa-panel-head b{display:block;font-size:14.5px;color:var(--ink);line-height:1.35}
.wa-panel-head span{font-size:12px;color:var(--muted)}
.wa-panel-close{position:absolute;top:8px;right:10px;font-size:20px;color:var(--muted-l);line-height:1}
.wa-panel-close:hover{color:var(--ink)}
.wa-panel-btn{margin-top:2px}

.btn-outline{border:2px solid var(--line);color:var(--ink);background:#fff;padding:14px 32px}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}

/* ---------- Product gallery ---------- */
.gal-filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:32px}
.gal-filters button{padding:9px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--muted);font-weight:700;font-size:13.5px;transition:all .22s var(--ease)}
.gal-filters button:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.gal-filters button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.gal-filters button span{opacity:.6;font-weight:600;margin-left:6px;font-size:12px}
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gal-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;opacity:0;transform:translateY(20px);animation:galIn .5s var(--ease) forwards}
@keyframes galIn{to{opacity:1;transform:none}}
.gal-card:hover{box-shadow:var(--shadow-lg);border-color:transparent}
.gal-card:hover img{transform:scale(1.07)}
.gal-thumb{aspect-ratio:1/1;overflow:hidden;background:var(--paper-2)}
.gal-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.gal-info{padding:12px 14px 14px}
.gal-info b{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.35}
.gal-info span{font-size:12px;color:var(--muted)}
.gal-badge{position:absolute;top:10px;right:10px;background:rgba(15,27,45,.72);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;backdrop-filter:blur(4px);opacity:0;transition:opacity .25s}
.gal-card:hover .gal-badge{opacity:1}
.gal-more{text-align:center;margin-top:34px}
.gal-more[hidden]{display:none}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,14,24,.95);backdrop-filter:blur(6px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 0 90px;animation:lbIn .25s var(--ease)}
.lightbox[hidden]{display:none}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:0 84px}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:cardIn .3s var(--ease);transition:opacity .25s}
.lb-stage img.lb-loading{opacity:.72}
.lb-stage{position:relative}
.lb-stage::after{content:'';position:absolute;opacity:0;transition:opacity .2s}
.lb-hd{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;pointer-events:none;display:none}
.lb-hd.show{display:block}
.lb-btn{position:absolute;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);width:52px;height:52px;border-radius:50%;font-size:26px;line-height:1;display:grid;place-items:center;transition:all .2s}
.lb-btn:hover{background:var(--accent);border-color:var(--accent);transform:scale(1.08)}
.lb-close{top:18px;right:22px;font-size:30px}
.lb-prev{left:22px;top:50%;transform:translateY(-50%)}
.lb-next{right:22px;top:50%;transform:translateY(-50%)}
.lb-prev:hover,.lb-next:hover{transform:translateY(-50%) scale(1.08)}
.lb-caption{text-align:center;color:#fff;margin-top:18px}
.lb-caption b{display:block;font-size:17px;font-weight:800}
.lb-caption span{font-size:13px;color:#91A2BC}
.lb-quote{margin-top:12px}
.lb-strip{position:absolute;bottom:14px;left:0;right:0;display:flex;gap:8px;justify-content:center;overflow-x:auto;padding:0 20px}
.lb-strip img{width:56px;height:56px;object-fit:cover;border-radius:8px;opacity:.45;cursor:pointer;transition:.2s;flex:none;border:2px solid transparent}
.lb-strip img:hover{opacity:.85}
.lb-strip img.active{opacity:1;border-color:var(--accent)}

/* ---------- Capabilities ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cap-card{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.cap-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.cap-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em;margin-bottom:12px}
.cap-card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:9px}
.cap-card p{font-size:14px;color:var(--muted)}

/* ---------- Process ---------- */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.proc-grid::before{content:'';position:absolute;top:26px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(90deg,var(--accent) 0 10px,transparent 10px 20px);opacity:.35}
.proc-step{text-align:center;position:relative;padding:0 8px}
.proc-dot{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;font-weight:900;font-size:19px;display:grid;place-items:center;margin:0 auto 18px;box-shadow:0 8px 20px rgba(255,90,45,.35);transition:transform .3s var(--ease)}
.proc-step:hover .proc-dot{transform:scale(1.12)}
.proc-step h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:8px}
.proc-step p{font-size:13.5px;color:var(--muted)}

/* ---------- Quote calculator ---------- */
.quote-section{background:linear-gradient(160deg,#0F1B2D,#1B2A4A);color:#fff}
.quote-shell{display:grid;grid-template-columns:1.35fr .85fr;gap:28px;align-items:start}
.quote-controls{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:34px;backdrop-filter:blur(8px)}
.q-group{margin-bottom:30px}
.q-group:last-child{margin-bottom:0}
.q-label{display:flex;justify-content:space-between;align-items:baseline;font-weight:700;font-size:14.5px;color:#DCE5F3;margin-bottom:14px}
.style-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.style-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:16px 8px;border-radius:14px;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.12);color:#B9C6DD;font-size:13px;font-weight:600;transition:all .25s var(--ease)}
.style-card svg{width:34px;height:34px}
.style-card:hover{border-color:rgba(255,255,255,.35);transform:translateY(-3px)}
.style-card.active{background:linear-gradient(135deg,rgba(255,122,69,.22),rgba(255,90,45,.14));border-color:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,90,45,.25)}
.dims-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dim-field{background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.12);border-radius:12px;padding:10px 14px;transition:border-color .2s}
.dim-field:focus-within{border-color:var(--accent)}
.dim-field span{display:block;font-size:11.5px;font-weight:700;color:#8FA0BC;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.dim-field input{width:100%;background:none;border:none;outline:none;color:#fff;font-size:19px;font-weight:800}
.dim-field input::-webkit-outer-spin-button,.dim-field input::-webkit-inner-spin-button{-webkit-appearance:none}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.14);color:#B9C6DD;font-size:13.5px;font-weight:600;transition:all .22s var(--ease)}
.chip:hover{border-color:rgba(255,255,255,.4);transform:translateY(-2px)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 5px 16px rgba(255,90,45,.35)}
.q-two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.select-wrap{position:relative}
.select-wrap::after{content:'▾';position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--accent);pointer-events:none}
.select-wrap select{width:100%;appearance:none;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.14);border-radius:12px;padding:13px 16px;color:#fff;font-weight:600;font-size:14.5px;outline:none;transition:border-color .2s}
.select-wrap select:focus{border-color:var(--accent)}
.select-wrap select option{color:var(--ink);background:#fff}
.qty-range{width:100%;-webkit-appearance:none;height:8px;border-radius:99px;background:linear-gradient(90deg,var(--accent) var(--fill,55%),rgba(255,255,255,.14) var(--fill,55%));outline:none}
.qty-range::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:5px solid var(--accent);box-shadow:0 4px 14px rgba(255,90,45,.5);cursor:grab;transition:transform .2s}
.qty-range::-webkit-slider-thumb:hover{transform:scale(1.15)}
.qty-range::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:5px solid var(--accent);cursor:grab}
.qty-out{color:var(--accent-2);font-size:17px;font-weight:900}
.qty-scale{display:flex;justify-content:space-between;font-size:11px;color:#7386A5;margin-top:8px;font-weight:600}

/* summary card */
.quote-summary{position:sticky;top:100px;background:#fff;color:var(--txt);border-radius:20px;padding:28px;box-shadow:var(--shadow-lg);animation:cardIn .5s var(--ease)}
@keyframes cardIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.qs-preview{position:relative;background:linear-gradient(160deg,#0F1B2D,#1B2A4A);border-radius:14px;padding:18px;margin-bottom:20px;overflow:hidden}
.qs-preview svg{width:100%;max-width:200px;margin:0 auto;transition:transform .3s var(--ease)}
.quote-summary.bump .qs-preview svg{transform:scale(1.04)}
.qs-style-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.14);color:#fff;font-size:11px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.04em}
.qs-rows{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.qs-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.qs-row b{color:var(--ink);font-weight:700}
.qs-green{color:var(--green)!important}
.qs-price{border-top:2px dashed var(--line);padding-top:16px;margin-bottom:14px}
.qs-unit{font-size:40px;font-weight:900;color:var(--ink);letter-spacing:-.02em;line-height:1}
.qs-cur{font-size:22px;vertical-align:14px;color:var(--accent);margin-right:2px}
.qs-per{font-size:14px;color:var(--muted);font-weight:600;margin-left:6px}
.qs-total{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-top:10px}
.qs-total b{color:var(--ink);font-size:16px}
.qs-moq{font-size:12.5px;color:var(--muted);background:var(--paper-2);border-radius:10px;padding:9px 14px;margin-bottom:14px}
.qs-foot{font-size:11.5px;color:var(--muted-l);text-align:center;margin-top:12px}

/* ---------- Testimonials ---------- */
.testi-wrap{max-width:820px;margin:0 auto;overflow:hidden}
.testi-viewport{overflow:hidden}
.testi-track{display:flex;transition:transform .55s var(--ease)}
.testi-card{flex:0 0 100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;text-align:center}
.testi-card .stars{color:#FFB400;font-size:20px;letter-spacing:4px;margin-bottom:16px}
.testi-card p{font-size:17px;color:var(--txt);font-style:italic;max-width:600px;margin:0 auto 22px}
.testi-who b{display:block;font-size:15px;color:var(--ink)}
.testi-who span{font-size:13px;color:var(--muted)}
.testi-nav{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:26px}
.testi-nav button{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--line);background:#fff;font-size:17px;transition:all .2s}
.testi-nav button:hover{border-color:var(--accent);color:var(--accent);transform:scale(1.08)}
.testi-dots{display:flex;gap:8px}
.testi-dots span{width:8px;height:8px;border-radius:99px;background:#CBD5E4;cursor:pointer;transition:.3s}
.testi-dots span.active{width:24px;background:var(--accent)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 24px;transition:border-color .25s,box-shadow .25s}
.faq-item[open]{border-color:var(--accent);box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;font-weight:700;font-size:16px;color:var(--ink);padding:20px 34px 20px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:2px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--accent);transition:transform .3s var(--ease)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14.5px;animation:faqIn .35s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- Contact ---------- */
.quote-contact{background:linear-gradient(160deg,#0F1B2D,#1B2A4A);color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.contact-copy h2{font-size:clamp(28px,3vw,38px);font-weight:800;letter-spacing:-.015em;margin-bottom:14px}
.contact-copy>p{color:#A9B8D2;margin-bottom:26px;font-size:16px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px;font-size:15px}
.contact-list a{color:#FFB8A0}
.contact-list a:hover{text-decoration:underline}
.contact-form{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;font-size:14.5px;outline:none;transition:border-color .2s,box-shadow .2s;resize:vertical;background:var(--paper-2)}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,90,45,.12);background:#fff}
.form-ok{color:var(--green);font-weight:700;font-size:14px;text-align:center;animation:cardIn .4s var(--ease)}

/* ---------- Footer ---------- */
.footer{background:#0A1322;color:#7386A5;padding:44px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-brand p{font-size:14px;margin-top:8px}
.footer-legal{font-size:12.5px;text-align:right;line-height:1.8}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* ---------- Language switch fade ---------- */
body.lang-fading [data-i18n],body.lang-fading [data-i18n-html]{opacity:0;transform:translateY(4px)}
[data-i18n],[data-i18n-html]{transition:opacity .18s ease,transform .18s ease}

/* ---------- Responsive ---------- */
/* 中等桌面（1025-1180px）：9 个导航项排不下，收紧间距防换行 */
@media (max-width:1180px){
  .nav{gap:13px}
  .nav a{font-size:13px}
  .lang-toggle{padding:7px 11px;font-size:12.5px}
  .header-cta{padding:9px 18px}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin-inline:auto}
  .hero-cta{justify-content:center}
  .hero-visual{order:-1}
  .hero-visual svg{max-width:340px}
  .products-grid,.cap-grid{grid-template-columns:repeat(2,1fr)}
  .proc-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .proc-grid::before{display:none}
  .quote-shell{grid-template-columns:1fr}
  .quote-summary{position:static}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .gal-grid{grid-template-columns:repeat(3,1fr)}
  /* 头部导航：1024px 以下切换为汉堡菜单（9 项水平排不下） */
  .nav{position:fixed;inset:0 0 0 auto;width:min(300px,82%);background:rgba(15,27,45,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;padding:96px 32px;gap:24px;transform:translateX(100%);
    transition:transform .4s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.4);overflow-y:auto}
  .nav a{font-size:17px;color:#fff}
  .nav.open{transform:none}
  .hamburger{display:flex;z-index:101}
  .header-cta{display:none}
}
/* ---------- 移动端吸底 CTA + 菜单遮罩 ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;gap:1px;background:rgba(255,255,255,.14);
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 24px rgba(0,0,0,.28)}
.mb-btn{flex:1;display:flex;align-items:center;justify-content:center;height:56px;font-weight:800;font-size:15px;color:#fff;background:var(--navy)}
.mb-primary{background:linear-gradient(135deg,var(--accent-2),var(--accent))}
.mb-wa{background:#0F1B2D}
.nav-backdrop{position:fixed;inset:0;background:rgba(8,14,24,.55);backdrop-filter:blur(2px);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s}
.nav-backdrop.show{opacity:1;pointer-events:auto}

/* ==================== 移动端适配 ==================== */
@media (max-width:680px){
  /* 布局与留白 */
  .section{padding:60px 0}
  .container{width:90%}
  .section-head{margin-bottom:34px}
  .section-head h2{font-size:26px}
  .section-head p{font-size:15px}

  /* 头部 / 菜单 */
  .header{padding:10px 0}
  .header.scrolled{padding:8px 0}
  .logo-mark{width:36px;height:36px}
  .logo-word{font-size:16px}
  .lang-toggle{padding:6px 11px;font-size:12px}
  .nav{position:fixed;inset:0 0 0 auto;width:min(300px,82%);background:rgba(15,27,45,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;padding:96px 32px;gap:24px;transform:translateX(100%);
    transition:transform .4s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.4);overflow-y:auto}
  .nav a{font-size:17px;color:#fff}
  .nav.open{transform:none}
  .hamburger{display:flex;z-index:101}
  .header-cta{display:none}

  /* Hero */
  .hero{padding:118px 0 40px}
  .hero-badge{font-size:12px;padding:7px 13px;margin-bottom:18px}
  .hero-title{font-size:clamp(30px,8.2vw,42px)}
  .hero-sub{font-size:15.5px;margin-bottom:26px}
  .hero-visual svg{max-width:270px}
  .hero-cta{flex-direction:column;align-items:stretch;gap:11px}
  .hero-cta .btn{width:100%;padding:15px 20px;font-size:16px}
  .hero-note{font-size:12.5px}
  .trust-line{padding-top:32px;margin-top:20px;font-size:12px;letter-spacing:.02em}

  /* 数据条 */
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 10px;padding:42px 0}
  .stat-num{font-size:32px}
  .stat-label{font-size:12.5px}

  /* 卡片 */
  .products-grid,.cap-grid,.proc-grid{grid-template-columns:1fr;gap:16px}
  .product-card,.cap-card{padding:24px 20px}
  .product-card h3{font-size:17.5px}
  .product-card p{font-size:14px}
  .proc-grid{gap:26px}
  .proc-dot{width:46px;height:46px;font-size:17px}

  /* 图库 */
  .gal-filters{gap:8px;margin-bottom:24px}
  .gal-filters button{padding:8px 15px;font-size:13px}
  .gal-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .gal-info{padding:10px 11px 12px}
  .gal-info b{font-size:13px}
  .gal-info span{font-size:11.5px}
  .gal-badge{display:none}

  /* 报价器 */
  .quote-shell{gap:20px}
  .quote-controls{padding:20px 18px;border-radius:16px}
  .q-group{margin-bottom:24px}
  .style-cards{grid-template-columns:repeat(2,1fr);gap:10px}
  .style-card{padding:13px 6px;font-size:12.5px}
  .style-card svg{width:30px;height:30px}
  .dims-row{grid-template-columns:repeat(3,1fr);gap:9px}
  .dim-field{padding:8px 11px}
  .dim-field span{font-size:10.5px}
  .dim-field input{font-size:17px}
  .chip{padding:9px 15px;font-size:13px}
  .q-two-col,.form-row{grid-template-columns:1fr;gap:14px}
  .select-wrap select,.contact-form input,.contact-form textarea{font-size:16px}
  .qty-range{height:10px}
  .qty-range::-webkit-slider-thumb{width:28px;height:28px;border-width:6px}
  .qty-out{font-size:15px}
  .quote-summary{padding:22px 20px;border-radius:16px}
  .qs-preview svg{max-width:150px}
  .qs-unit{font-size:34px}
  .qs-moq{font-size:12px}

  /* 触点与表单：≥44px 触控 + iOS 防自动缩放(16px) */
  .contact-form{padding:24px 20px}
  .contact-form input,.contact-form textarea{padding:14px 15px}
  .btn-lg,.btn-block{padding:16px 22px}
  .testi-card{padding:28px 22px}
  .testi-card p{font-size:15px}
  .testi-nav button{width:44px;height:44px}
  .faq-item{padding:0 18px}
  .faq-item summary{font-size:15px;padding:17px 32px 17px 0}
  .faq-item p{font-size:14px}

  /* 触摸端禁用粘滞 hover 位移 */
  .product-card:hover,.cap-card:hover,.style-card:hover,.chip:hover,.testi-nav button:hover,.lb-btn:hover{transform:none}
  .gal-card:hover{box-shadow:var(--shadow)}
  .lb-prev:hover,.lb-next:hover{transform:translateY(-50%)}

  /* 吸底条占位（移动端已有常驻 WhatsApp，隐藏悬浮气泡避免重复） */
  .mobile-bar{display:flex}
  body{padding-bottom:58px}
  .footer{padding-bottom:78px}
  .wa-fab{display:none}
  .hero-wa{font-size:13.5px}
  .wa-hero-btn,.lb-actions .btn{width:100%}
  .lb-actions{flex-direction:column;align-items:stretch}

  /* 灯箱 */
  .lightbox{padding:58px 0 100px}
  .lb-stage{padding:0 16px}
  .lb-btn{width:44px;height:44px;font-size:22px}
  .lb-prev{left:10px}.lb-next{right:10px}
  .lb-caption b{font-size:15.5px}
  .lb-quote{margin-top:10px;padding:13px 22px}
  .lb-strip{bottom:10px}
  .lb-strip img{width:48px;height:48px}

  .footer-inner{flex-direction:column;text-align:center;gap:14px}
  .footer-legal{text-align:center}
}

@media (max-width:400px){
  .container{width:92%}
  .hero-title{font-size:29px}
  .gal-grid{gap:10px}
  .style-cards{grid-template-columns:1fr}
  .style-card{flex-direction:row;justify-content:flex-start;gap:12px;padding:11px 14px}
  .stat-num{font-size:28px}
  .qs-unit{font-size:30px}
  .lb-stage{padding:0 10px}
}

/* 无 hover 能力（纯触摸）：关掉依赖悬停的效果 */
@media (hover:none){
  .gal-card:hover img,.pc-icon:hover{transform:none}
  .proc-step:hover .proc-dot{transform:none}
}

/* 尊重系统「减少动效」设置 */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}