/* =========================================================
   森源水业 · 品牌站样式
   Palette: 深松绿 / 翡翠 / 薄荷 / 纸白
   字体：Microsoft YaHei（微软雅黑）统一
   ========================================================= */

:root{
  --ink:#08211d;
  --ink-2:#0e3129;
  --emerald:#0f7a5f;
  --emerald-d:#0a5c47;
  --emerald-l:#2fa084;
  --aqua:#5fd8c8;
  --mint:#e7f4ee;
  --mint-2:#d2e9df;
  --paper:#f7faf7;
  --white:#ffffff;
  --muted:#5b7268;
  --muted-l:#8aa398;
  --line:rgba(8,33,29,.10);
  --line-l:rgba(255,255,255,.16);
  --purple:#6d3f8f;
  --radius:20px;
  --shell:1300px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --serif:"Microsoft YaHei","微软雅黑","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Microsoft YaHei","微软雅黑","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.85;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--emerald);color:#fff}

.container{max-width:var(--shell);margin:0 auto;padding:0 clamp(20px,4vw,52px)}
.section{padding:clamp(76px,10vw,150px) 0;position:relative}

/* ---------- 排版 ---------- */
.h2{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(27px,4.1vw,52px);
  line-height:1.3;
  letter-spacing:.02em;
  color:var(--ink);
}
.h2--light{color:#fff}
.h2--lines span{display:block}
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:13px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--emerald);margin-bottom:24px;font-weight:500;
}
.eyebrow::before{content:"";width:32px;height:1px;background:currentColor;opacity:.55}
.eyebrow em{font-style:normal;opacity:.5;letter-spacing:.1em}
.eyebrow--light{color:var(--aqua)}
.lead{font-size:clamp(15.5px,1.5vw,19px);line-height:2.05;color:#415a50}
.lead--light{color:rgba(255,255,255,.86)}
.section p + p{margin-top:1.1em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:15px 30px;border-radius:999px;font-size:15px;font-weight:500;
  letter-spacing:.06em;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),background .35s,color .35s,box-shadow .45s;
  will-change:transform;
}
.btn--primary{background:var(--emerald);color:#fff;box-shadow:0 12px 30px -14px rgba(15,122,95,.8)}
.btn--primary:hover{background:var(--emerald-d);transform:translateY(-3px);box-shadow:0 20px 40px -16px rgba(15,122,95,.85)}
.btn--ghost{border:1px solid rgba(255,255,255,.42);color:#fff;backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.btn--sm{padding:12px 22px;font-size:14px}
.btn--full{width:100%}
.btn__arrow{transition:transform .4s var(--ease);font-size:1.05em}
.btn:hover .btn__arrow{transform:translateX(5px)}
.btn .ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.4);transform:scale(0);animation:ripple .7s var(--ease-out) forwards;pointer-events:none}
@keyframes ripple{to{transform:scale(3.4);opacity:0}}

/* ---------- 预加载 ---------- */
.preloader{
  position:fixed;inset:0;z-index:9999;background:var(--ink);
  display:grid;place-items:center;color:#fff;
  transition:transform 1.05s var(--ease-out),opacity .6s;
}
.preloader.is-done{transform:translateY(-101%);opacity:.9}
.preloader__inner{display:grid;place-items:center;gap:18px;position:relative;z-index:2}
.preloader__mark svg{width:52px;height:52px;color:var(--aqua);animation:floatY 3s ease-in-out infinite}
.preloader__word{font-family:var(--serif);font-size:22px;letter-spacing:.5em;text-indent:.5em;color:#eaf7f2}
.preloader__bar{width:190px;height:2px;background:rgba(255,255,255,.16);border-radius:2px;overflow:hidden}
.preloader__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--aqua),var(--emerald-l))}
.preloader__num{font-size:12px;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.preloader__num em{font-style:normal;margin-left:2px}
.preloader__water{
  position:absolute;left:0;right:0;bottom:0;height:0;
  background:linear-gradient(180deg,rgba(95,216,200,.0),rgba(15,122,95,.22));
  transition:height .3s linear;
}

/* ---------- 光标 ---------- */
.cursor{position:fixed;top:0;left:0;z-index:9998;pointer-events:none;mix-blend-mode:normal;opacity:0;transition:opacity .4s}
.cursor.is-on{opacity:1}
.cursor__dot{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--emerald);transform:translate(-50%,-50%)}
.cursor__ring{
  position:absolute;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(15,122,95,.45);transform:translate(-50%,-50%) scale(.4);
  transition:width .3s,height .3s,border-color .3s,background .3s,transform .2s;
}
.cursor.is-link .cursor__ring{width:56px;height:56px;background:rgba(15,122,95,.08);border-color:rgba(15,122,95,.7)}

/* ---------- 滚动进度 ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:1000;background:transparent}
.scroll-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--emerald),var(--aqua));box-shadow:0 0 12px rgba(95,216,200,.7)}

/* ---------- 头部 ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:900;color:#fff;
  transition:background .5s var(--ease),color .4s,box-shadow .5s,backdrop-filter .5s,transform .55s var(--ease);
  will-change:transform;
}
.header__inner{
  max-width:var(--shell);margin:0 auto;padding:18px clamp(20px,4vw,52px);
  display:flex;align-items:center;gap:24px;
  transition:padding .45s var(--ease);
}
.header.is-solid{
  color:var(--ink);background:rgba(255,255,255,.82);
  backdrop-filter:blur(20px) saturate(1.2);box-shadow:0 1px 0 rgba(8,33,29,.07);
}
.header.is-solid .header__inner{padding-top:12px;padding-bottom:12px}

.logo{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;min-width:0}
.logo__icon{width:34px;height:34px;transition:transform .6s var(--ease);flex-shrink:0}
.logo:hover .logo__icon{transform:rotate(-6deg) scale(1.05)}
.logo__text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.logo__text b{font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo__text i{font-style:normal;font-size:8px;letter-spacing:.28em;opacity:.62;margin-top:3px;padding-left:1px;white-space:nowrap}

.nav{display:flex;align-items:center;gap:clamp(14px,1.8vw,26px);margin-left:auto}
.nav a{font-size:14.5px;letter-spacing:.1em;position:relative;padding:6px 0;opacity:.9;transition:opacity .3s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.nav a:hover{opacity:1}
.nav a:hover::after,.nav a.is-active::after,.nav a.is-current::after{transform:scaleX(1);transform-origin:left}
.nav a.is-active,.nav a.is-current{opacity:1}

.header__actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.header__tel{display:flex;flex-direction:column;line-height:1.25;text-align:right;transition:opacity .3s}
.header__tel:hover{opacity:.75}
.header__tel-label{font-size:10px;letter-spacing:.26em;opacity:.6}
.header__tel-num{font-size:15px;font-weight:500;letter-spacing:.04em;font-variant-numeric:tabular-nums}

.burger{display:none;width:34px;height:34px;position:relative}
.burger i{position:absolute;left:7px;right:7px;height:1.5px;background:currentColor;transition:transform .4s var(--ease),opacity .3s}
.burger i:nth-child(1){top:13px}
.burger i:nth-child(2){top:20px}
.burger.is-open i:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.burger.is-open i:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- 移动菜单 ---------- */
.mobile-menu{
  position:fixed;inset:0;z-index:880;background:var(--ink);color:#eaf7f2;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(28px,7vw,60px);
  clip-path:inset(0 0 100% 0);transition:clip-path .8s var(--ease-out);
  visibility:hidden;
}
.mobile-menu.is-open{clip-path:inset(0 0 0 0);visibility:visible}
.mobile-menu__nav{display:flex;flex-direction:column;gap:2px}
.mobile-menu__nav a{
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--serif);font-size:clamp(24px,7vw,38px);
  padding:11px 0;border-bottom:1px solid rgba(255,255,255,.1);
  opacity:0;transform:translateY(24px);transition:opacity .5s,transform .5s;
}
.mobile-menu.is-open .mobile-menu__nav a{opacity:1;transform:none}
.mobile-menu__nav a.is-current{color:var(--aqua)}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(1){transition-delay:.14s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(2){transition-delay:.19s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(3){transition-delay:.24s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(4){transition-delay:.29s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(5){transition-delay:.34s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(6){transition-delay:.39s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(7){transition-delay:.44s}
.mobile-menu.is-open .mobile-menu__nav a:nth-child(8){transition-delay:.49s}
.mobile-menu__nav em{font-style:normal;font-family:var(--sans);font-size:11px;letter-spacing:.2em;color:var(--aqua);opacity:.8}
.mobile-menu__foot{margin-top:40px;font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.06em}
.mobile-menu__foot a{display:block;color:var(--aqua);font-size:18px;letter-spacing:.08em;margin-bottom:8px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;min-height:100svh;color:#fff;
  display:flex;flex-direction:column;overflow:hidden;
}
.hero__media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero__img{
  width:100%;height:100%;object-fit:cover;object-position:center 42%;
  transform:scale(1.08);animation:kenburns 26s ease-in-out infinite alternate;
}
@keyframes kenburns{
  0%{transform:scale(1.08) translate3d(0,0,0)}
  100%{transform:scale(1.18) translate3d(-1.4%,-1.2%,0)}
}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}
.hero__veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,24,21,.62) 0%,rgba(5,24,21,.12) 34%,rgba(5,24,21,.30) 62%,rgba(5,24,21,.86) 100%),
    radial-gradient(120% 80% at 15% 40%,rgba(5,24,21,.42),transparent 60%);
}
.hero__glow{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(45% 40% at 78% 30%,rgba(95,216,200,.20),transparent 70%);
  mix-blend-mode:screen;
}
.hero__content{
  position:relative;z-index:3;flex:1;display:flex;flex-direction:column;
  justify-content:center;padding-top:120px;padding-bottom:40px;width:100%;
}
.hero__eyebrow{
  display:flex;align-items:center;gap:11px;font-size:13px;letter-spacing:.3em;
  color:rgba(255,255,255,.85);text-transform:uppercase;margin-bottom:26px;
}
.hero__eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--aqua);box-shadow:0 0 0 4px rgba(95,216,200,.18);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(95,216,200,.06)}}
.hero__title{font-weight:400;line-height:1.02}
.hero__title-line{
  display:block;font-family:var(--serif);font-weight:600;
  font-size:clamp(40px,7.4vw,96px);letter-spacing:.05em;
  text-shadow:0 20px 60px rgba(0,0,0,.25);
}
.hero__title-sub{
  display:block;font-family:var(--sans);font-weight:300;
  font-size:clamp(15px,2.1vw,26px);letter-spacing:.24em;
  margin-top:22px;color:rgba(255,255,255,.82);
}
.hero__poem{
  font-family:var(--serif);font-size:clamp(13px,1.4vw,17px);
  letter-spacing:.24em;color:var(--aqua);margin-top:34px;opacity:.92;
}
.hero__desc{margin-top:18px;max-width:620px;color:rgba(255,255,255,.74);font-size:15.5px;line-height:2.05;font-weight:300}
.hero__actions{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}

.hero__stats{
  position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);
  max-width:var(--shell);margin:0 auto;width:100%;
  padding:0 clamp(20px,4vw,52px);
}
.hero__stat{padding:26px 8px 34px;position:relative}
.hero__stat + .hero__stat::before{content:"";position:absolute;left:0;top:26px;bottom:34px;width:1px;background:rgba(255,255,255,.12)}
.hero__stat b{display:block;font-family:var(--serif);font-size:clamp(22px,2.6vw,34px);font-weight:600;letter-spacing:.02em;line-height:1.1}
.hero__stat span{display:block;margin-top:9px;font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.58)}

.hero__scroll{
  position:absolute;right:clamp(20px,4vw,52px);bottom:150px;z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-size:10px;letter-spacing:.32em;color:rgba(255,255,255,.62);
  writing-mode:vertical-rl;
}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(180deg,rgba(255,255,255,.7),transparent);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:0;left:0;width:100%;height:40%;background:var(--aqua);animation:scrollLine 2.2s ease-in-out infinite}
@keyframes scrollLine{0%{transform:translateY(-100%)}60%,100%{transform:translateY(260%)}}
@keyframes floatY{50%{transform:translateY(-8px)}}

/* ---------- 滚动标语 ---------- */
.marquee{background:var(--ink);color:var(--mint);overflow:hidden;padding:16px 0;border-top:1px solid rgba(255,255,255,.06)}
.marquee__track{display:flex;align-items:center;width:max-content;animation:marquee 32s linear infinite}
.marquee__track span{font-size:13px;letter-spacing:.32em;text-transform:uppercase;opacity:.8;white-space:nowrap;margin-right:38px}
.marquee__track em{font-style:normal;color:var(--aqua);opacity:.6;margin-right:38px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 品牌 ---------- */
.brand{background:var(--paper);overflow:hidden}
.brand__grid{display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(40px,6vw,100px);align-items:center}
.brand__media{position:relative}
.brand__frame{position:relative;border-radius:26px;overflow:hidden;aspect-ratio:4/4.4;box-shadow:0 40px 80px -50px rgba(8,33,29,.6)}
.brand__frame img{width:110%;height:110%;object-fit:cover;margin:-5%;will-change:transform}
.brand__vtext{
  position:absolute;left:-16px;top:50%;transform:translateY(-50%) rotate(180deg);
  writing-mode:vertical-rl;font-size:10px;letter-spacing:.44em;color:var(--muted-l);
}
.brand__badge{
  position:absolute;right:-18px;bottom:32px;
  width:118px;height:118px;border-radius:50%;
  background:var(--emerald);color:#fff;display:grid;place-items:center;text-align:center;
  box-shadow:0 24px 50px -20px rgba(15,122,95,.8);
}
.brand__badge b{display:block;font-family:var(--serif);font-size:36px;line-height:1}
.brand__badge span{display:block;font-size:10px;letter-spacing:.18em;margin-top:4px;opacity:.85;line-height:1.5}
.brand__body .h2{margin-bottom:26px}
.brand__quote{
  margin:34px 0 0;font-family:var(--serif);font-size:clamp(18px,1.8vw,22px);
  color:var(--emerald-d);line-height:1.9;padding:30px 0 0 6px;border-left:2px solid var(--mint-2);
  position:relative;
}
.brand__quote-mark{position:absolute;left:-13px;top:-8px;font-size:40px;color:var(--mint-2);font-family:var(--serif);line-height:1}
.brand__quote p{position:relative;z-index:1}
.brand__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.stat b{display:block;font-family:var(--serif);font-size:clamp(20px,2.1vw,28px);color:var(--ink);line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:12px;letter-spacing:.14em;color:var(--muted)}
.brand__brands{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:clamp(56px,7vw,90px);padding-top:30px;border-top:1px solid var(--line)}
.brand__brands-label{font-size:12px;letter-spacing:.28em;color:var(--muted);text-transform:uppercase}
.brand__brands-list{display:flex;gap:14px;flex-wrap:wrap}
.brand__brands-list span{
  font-family:var(--serif);font-size:15px;letter-spacing:.16em;color:var(--ink-2);
  padding:8px 20px;border:1px solid var(--line);border-radius:999px;transition:.4s var(--ease);
}
.brand__brands-list span:hover{background:var(--ink);color:var(--mint);border-color:var(--ink);transform:translateY(-2px)}

/* ---------- 水源 ---------- */
.source{position:relative;color:#fff;padding:clamp(90px,12vw,170px) 0;overflow:hidden;background:var(--ink)}
.source__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.source__bg img{width:100%;height:120%;object-fit:cover;margin-top:-10%;will-change:transform}
.source__veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,22,19,.92) 0%,rgba(5,22,19,.72) 48%,rgba(5,22,19,.35) 100%),linear-gradient(180deg,rgba(5,22,19,.6),transparent 30%,rgba(5,22,19,.7))}
.source__inner{position:relative;z-index:2}
.source__head{max-width:640px;margin-bottom:clamp(40px,5vw,64px)}
.source__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(40px,6vw,90px);align-items:center}
.source__text{max-width:600px}
.source__text p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:2.05}
.source__chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}
.source__chips span{
  font-size:12.5px;letter-spacing:.12em;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.85);backdrop-filter:blur(6px);
}

/* 深度尺 */
.depth{display:flex;align-items:center;gap:28px;justify-content:flex-end}
.depth__ruler{position:relative;width:2px;height:340px;background:rgba(255,255,255,.16);border-radius:2px}
.depth__fill{position:absolute;left:0;top:0;width:100%;height:0;background:linear-gradient(180deg,var(--aqua),var(--emerald-l));box-shadow:0 0 14px rgba(95,216,200,.6);border-radius:2px}
.depth__fill::after{content:"";position:absolute;left:50%;bottom:-6px;width:13px;height:13px;border-radius:50%;background:var(--aqua);transform:translateX(-50%);box-shadow:0 0 20px 4px rgba(95,216,200,.55)}
.depth__zero{position:absolute;left:16px;top:-8px;font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.5);white-space:nowrap}
.depth__mark{position:absolute;left:12px;font-size:9.5px;letter-spacing:.1em;color:rgba(255,255,255,.38)}
.depth__mark::before{content:"";position:absolute;left:-12px;top:50%;width:7px;height:1px;background:rgba(255,255,255,.3)}
.depth__mark--1{top:24%}.depth__mark--2{top:49%}.depth__mark--3{top:74%}.depth__mark--4{top:98%}
.depth__readout{text-align:right;min-width:110px}
.depth__readout b{font-family:var(--serif);font-size:clamp(34px,4vw,54px);line-height:1;font-variant-numeric:tabular-nums;color:#fff}
.depth__readout em{font-style:normal;font-size:14px;color:var(--aqua);margin-left:2px}
.depth__readout span{display:block;font-size:10.5px;letter-spacing:.2em;color:rgba(255,255,255,.5);margin-top:10px}

/* ---------- 水质成分 ---------- */
.mineral{background:var(--paper)}
.mineral__head{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,6vw,90px);align-items:end;margin-bottom:clamp(40px,5vw,70px)}
.mineral__intro{color:var(--muted);font-size:15.5px;line-height:2;max-width:none;justify-self:stretch}
.mineral--no-visual .mineral__head{grid-template-columns:1fr;align-items:start;gap:16px}
.mineral--no-visual .mineral__intro{max-width:none}
.mineral--no-visual .mineral__grid{grid-template-columns:1fr}
.mineral__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,6vw,90px);align-items:center}
.mineral__visual{position:relative;display:grid;place-items:center}
.glass{width:min(100%,320px);height:auto;filter:drop-shadow(0 30px 40px rgba(15,122,95,.16))}
.glass__body{fill:none;stroke:rgba(15,122,95,.28);stroke-width:1.4}
.glass__rim{fill:none;stroke:rgba(15,122,95,.35);stroke-width:1.2}
.glass__shine{stroke:rgba(255,255,255,.7);stroke-width:8;stroke-linecap:round;opacity:.5}
.glass__water{transition:height 1s var(--ease)}
.bub{fill:rgba(255,255,255,.65);animation:bubble 5s ease-in-out infinite}
.bub.b1{animation-delay:0s}.bub.b2{animation-delay:1.1s}.bub.b3{animation-delay:.6s}.bub.b4{animation-delay:1.8s}.bub.b5{animation-delay:2.4s}
@keyframes bubble{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(-26px);opacity:.95}}
.mineral__floating{position:absolute;inset:0;pointer-events:none}
.mf{
  position:absolute;font-size:12px;letter-spacing:.14em;color:var(--emerald-d);
  background:rgba(255,255,255,.9);border:1px solid var(--mint-2);border-radius:999px;
  padding:6px 14px;box-shadow:0 12px 24px -14px rgba(15,122,95,.5);
  animation:floatY 5s ease-in-out infinite;
}
.mf--1{top:18%;left:2%}
.mf--2{top:34%;right:0;animation-delay:.8s}
.mf--3{bottom:26%;left:-2%;animation-delay:1.6s}
.mf--4{bottom:14%;right:6%;animation-delay:2.2s}

.mineral__cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mcard{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 20px 18px;
  transition:transform .5s var(--ease),box-shadow .5s,border-color .4s;
}
.mcard:hover{transform:translateY(-4px);box-shadow:0 26px 44px -34px rgba(8,33,29,.45);border-color:var(--mint-2)}
.mcard__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.mcard__name{font-family:var(--serif);font-size:clamp(16px,1.5vw,19px);letter-spacing:.02em;color:var(--ink)}
.mcard__name em{font-style:normal;font-size:11px;letter-spacing:.04em;color:var(--muted-l);margin-left:5px}
.mcard__val{font-size:15px;color:var(--emerald-d);letter-spacing:.02em;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:500}
.mcard__val small{font-size:11px;color:var(--muted-l);margin-left:3px;font-weight:400}
.mcard__bar{height:6px;background:var(--mint-2);border-radius:6px;overflow:hidden;margin:14px 0 12px}
.mcard__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--emerald),var(--aqua));border-radius:6px;transition:width 1.5s var(--ease)}
.mcard.is-in .mcard__bar i{width:var(--w,0)}
.mcard__desc{font-size:13.5px;color:var(--muted);letter-spacing:.02em;line-height:1.75}
.mineral__note{grid-column:1/-1;font-size:13px;color:var(--muted-l);margin-top:6px;letter-spacing:.04em}

/* ---------- 产品 ---------- */
.products{background:var(--white)}
.products__head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:clamp(34px,4vw,52px);flex-wrap:wrap}
.tabs{display:flex;gap:6px;position:relative;padding:6px;background:var(--paper);border-radius:999px;border:1px solid var(--line)}
.tab{padding:10px 20px;font-size:14px;letter-spacing:.08em;border-radius:999px;position:relative;z-index:2;color:var(--muted);transition:color .35s}
.tab.is-active{color:#fff}
.tabs__ink{position:absolute;top:6px;bottom:6px;left:6px;width:0;background:var(--emerald);border-radius:999px;z-index:1;transition:left .5s var(--ease),width .5s var(--ease)}
.products__panels{position:relative}
.pitem{display:none;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,30px)}
.pitem[data-panel="bottle"],.pitem[data-panel="custom"]{grid-template-columns:repeat(2,1fr)}
.pitem[data-panel="bottle"] .card__media{background:#e9f5ef}
.pitem[data-panel="bottle"] .card__media img{object-fit:contain;padding:12px 0 0;mix-blend-mode:multiply}
.pitem.is-active{display:grid;animation:panelIn .7s var(--ease) both}
@keyframes panelIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  transition:transform .35s var(--ease),box-shadow .5s var(--ease),border-color .4s;
  transform-style:preserve-3d;will-change:transform;
}
.card:hover{box-shadow:0 40px 70px -40px rgba(8,33,29,.45);border-color:var(--mint-2)}
.card--accent{background:linear-gradient(180deg,#f3fbf7,#ffffff)}
.card__media{position:relative;aspect-ratio:4/3.5;overflow:hidden;background:var(--mint)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.card:hover .card__media img{transform:scale(1.06)}
.card__tag{
  position:absolute;left:14px;top:14px;font-size:11px;letter-spacing:.14em;
  background:rgba(255,255,255,.9);color:var(--emerald-d);padding:6px 12px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.card__body{padding:24px 22px 26px}
.card__body h3{font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:.02em}
.card__spec{font-size:13px;color:var(--emerald);letter-spacing:.04em;margin-top:8px}
.card__desc{font-size:14.5px;color:var(--muted);line-height:1.9;margin-top:12px}
.card__link{display:inline-block;margin-top:18px;font-size:13px;letter-spacing:.12em;color:var(--ink);opacity:.7;transition:opacity .3s,transform .3s}
.card:hover .card__link{opacity:1;transform:translateX(4px)}
.products__foot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:clamp(30px,4vw,44px);padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap}
.products__foot p{font-size:14.5px;color:var(--muted);letter-spacing:.04em}

/* ---------- 工艺 ---------- */
.process{position:relative;color:#fff;padding:clamp(90px,12vw,170px) 0;overflow:hidden;background:var(--ink)}
.process__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.process__bg img{width:100%;height:120%;object-fit:cover;margin-top:-10%;opacity:.5;will-change:transform}
.process__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,22,19,.92),rgba(5,22,19,.78) 40%,rgba(5,22,19,.95)),radial-gradient(70% 60% at 80% 20%,rgba(15,122,95,.28),transparent)}
.process__inner{position:relative;z-index:2}
.process__head{max-width:min(100%,1000px);margin-bottom:clamp(46px,5vw,72px)}
.process__head .lead{margin-top:20px}
/* 生产工艺标题单行显示（首页分两行的版本保持原样） */
.process__head .h2:not(.h2--lines){white-space:nowrap;font-size:clamp(23px,3.45vw,49px)}
.timeline{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(36px,5vw,72px)}
.timeline__line{position:absolute;left:19px;top:8px;bottom:8px;width:1px;background:rgba(255,255,255,.14)}
.timeline__line b{position:absolute;left:0;top:0;width:100%;height:0;background:linear-gradient(180deg,var(--aqua),var(--emerald-l));box-shadow:0 0 12px rgba(95,216,200,.5)}
.timeline__steps{list-style:none;display:flex;flex-direction:column;gap:clamp(22px,3vw,38px);padding-left:0;position:relative}
.tstep{display:grid;grid-template-columns:40px 1fr;gap:22px;align-items:start;padding-left:0}
.tstep__num{
  position:relative;z-index:2;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;letter-spacing:.08em;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.7);
  transition:.6s var(--ease);font-variant-numeric:tabular-nums;
}
.tstep.is-in .tstep__num{background:var(--aqua);border-color:var(--aqua);color:var(--ink);box-shadow:0 0 0 6px rgba(95,216,200,.12)}
.tstep__body h3{font-family:var(--serif);font-size:clamp(19px,2vw,25px);font-weight:600;letter-spacing:.04em}
.tstep__body p{font-size:14.5px;line-height:1.95;color:rgba(255,255,255,.66);margin-top:8px;max-width:460px}
.process__aside{align-self:start;display:flex;flex-direction:column;gap:22px}
.process__figure{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:26px 28px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.05);backdrop-filter:blur(6px)}
.process__figure b{font-family:var(--serif);font-size:clamp(42px,5.2vw,68px);line-height:1;letter-spacing:.02em;background:linear-gradient(180deg,#fff,rgba(255,255,255,.55));-webkit-background-clip:text;background-clip:text;color:transparent}
.process__figure span{font-size:12.5px;letter-spacing:.22em;color:rgba(255,255,255,.62);margin-top:6px}
.process__figure em{font-style:normal;font-size:11.5px;letter-spacing:.16em;color:var(--aqua);margin-top:14px;opacity:.85}
.process__points{list-style:none;display:flex;flex-direction:column;gap:12px}
.process__points li{padding:16px 20px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.process__points span{display:block;font-size:15px;font-weight:500;letter-spacing:.06em;color:#fff}
.process__points p{font-size:13px;color:rgba(255,255,255,.6);margin-top:5px;line-height:1.7}

/* ---------- 资质 ---------- */
.cert{background:var(--paper)}
.cert__head{display:grid;grid-template-columns:1fr .7fr;gap:clamp(30px,5vw,70px);align-items:end;margin-bottom:clamp(38px,5vw,60px)}
.cert__head--line{grid-template-columns:auto minmax(0,1fr)}
.cert__head--line .cert__intro{max-width:none;white-space:nowrap;justify-self:end}
.cert__intro{color:var(--muted);font-size:15.5px;line-height:2;justify-self:end;max-width:400px}
.cert__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.cert-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;overflow:hidden;
  position:relative;transition:transform .5s var(--ease),box-shadow .5s,border-color .4s;
  cursor:pointer;display:flex;flex-direction:column;
}
.cert-card:hover{transform:translateY(-6px);box-shadow:0 30px 50px -34px rgba(8,33,29,.4);border-color:var(--mint-2)}
.cert-card__doc{position:relative;flex:1;padding:30px 24px 22px;display:flex;flex-direction:column;align-items:center;text-align:center;background:linear-gradient(180deg,#fbfdfc,#fff)}
.cert-seal{width:62px;height:62px;margin-bottom:16px;flex-shrink:0}
.cert-card__kind{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.04em;color:var(--ink)}
.cert-card__name{font-size:12.5px;color:var(--muted);margin-top:8px;letter-spacing:.02em;line-height:1.6}
.cert-card__no{font-size:11px;color:var(--muted-l);margin-top:8px;letter-spacing:.03em;font-variant-numeric:tabular-nums;word-break:break-all}
.cert-card__cta{display:block;padding:13px;text-align:center;background:var(--mint);color:var(--emerald-d);font-size:12.5px;letter-spacing:.1em;transition:background .3s,color .3s}
.cert-card:hover .cert-card__cta{background:var(--emerald);color:#fff}

/* ---------- 新闻 ---------- */
.news{background:var(--white)}
.news__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(32px,4vw,48px);flex-wrap:wrap}
.news__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.news-feature{
  grid-column:1/-1;display:grid;grid-template-columns:1.15fr 1fr;
  border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;
  transition:box-shadow .5s,transform .5s var(--ease);cursor:pointer;
}
.news-feature:hover{box-shadow:0 40px 70px -46px rgba(8,33,29,.45);transform:translateY(-4px)}
.news-feature__media{overflow:hidden;min-height:320px}
.news-feature__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.news-feature:hover .news-feature__media img{transform:scale(1.05)}
.news-feature__body{padding:clamp(28px,3.4vw,52px);display:flex;flex-direction:column;justify-content:center}
.news__meta{display:flex;align-items:center;gap:14px;font-size:12px;letter-spacing:.12em;color:var(--muted-l);margin-bottom:14px}
.news__tag{color:var(--emerald-d);background:var(--mint);padding:4px 12px;border-radius:999px;letter-spacing:.1em}
.news-feature h3{font-family:var(--serif);font-size:clamp(21px,2.4vw,30px);font-weight:600;line-height:1.5;letter-spacing:.02em}
.news-feature p{font-size:14.5px;color:var(--muted);line-height:1.95;margin-top:16px;max-width:460px}
.news__more{display:inline-block;margin-top:22px;font-size:12.5px;letter-spacing:.14em;color:var(--emerald-d);transition:transform .35s}
.news-feature:hover .news__more,.news-card:hover .news__more{transform:translateX(5px)}
.news-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;transition:transform .5s var(--ease),box-shadow .5s;cursor:pointer;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:0 34px 60px -44px rgba(8,33,29,.45)}
.news-card__media{aspect-ratio:16/10.5;overflow:hidden}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.news-card:hover .news-card__media img{transform:scale(1.06)}
.news-card__body{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-family:var(--serif);font-size:17.5px;font-weight:600;line-height:1.65;letter-spacing:.01em}
.news-card .news__more{margin-top:auto;padding-top:16px;font-size:11.5px}

/* ---------- 客户信赖 ---------- */
.clients{position:relative;color:#fff;padding:clamp(80px,11vw,150px) 0;overflow:hidden;background:var(--ink)}
.clients__bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.clients__bg img{width:100%;height:120%;object-fit:cover;margin-top:-10%;will-change:transform}
.clients__veil{position:absolute;inset:0;background:linear-gradient(95deg,rgba(5,22,19,.93) 0%,rgba(5,22,19,.8) 46%,rgba(5,22,19,.42) 100%),linear-gradient(180deg,rgba(5,22,19,.6),transparent 30%,rgba(5,22,19,.72))}
.clients__inner{position:relative;z-index:2}
.clients__head{max-width:640px;margin-bottom:clamp(36px,5vw,60px)}
.clients__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,80px);align-items:center}
.clients__stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cstat{padding:26px 26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;backdrop-filter:blur(6px)}
.cstat b{display:block;font-family:var(--serif);font-size:clamp(40px,5vw,64px);line-height:1;letter-spacing:.02em;background:linear-gradient(180deg,#fff,rgba(255,255,255,.6));-webkit-background-clip:text;background-clip:text;color:transparent}
.cstat span{display:block;margin-top:10px;font-size:14px;letter-spacing:.14em;color:rgba(255,255,255,.82)}
.cstat p{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:8px;line-height:1.8}
.clients__text p{color:rgba(255,255,255,.76);font-size:15.5px;line-height:2.05}
.clients__tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.clients__tags span{font-size:12.5px;letter-spacing:.12em;padding:7px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.82)}

/* ---------- 合作领域（滚动） ---------- */
.partners{background:var(--mint);padding:clamp(46px,6vw,70px) 0;overflow:hidden}
.partners__head{text-align:center;margin-bottom:26px}
.partners__head p{font-size:13.5px;letter-spacing:.18em;color:var(--emerald-d);opacity:.85}
.partners__marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.partners__track{display:flex;width:max-content;animation:marquee 34s linear infinite}
.partners__track span{font-family:var(--serif);font-size:clamp(15px,1.8vw,20px);letter-spacing:.16em;color:var(--emerald-d);opacity:.55;white-space:nowrap;margin-right:40px;transition:opacity .3s}
.partners__track span:hover{opacity:1}

/* ---------- 宣传视频 ---------- */
.video-sec{background:var(--white)}
.video-sec__head{display:grid;grid-template-columns:1fr .8fr;gap:clamp(30px,5vw,70px);align-items:end;margin-bottom:clamp(34px,4vw,52px)}
.video-sec__intro{color:var(--muted);font-size:15.5px;line-height:2;justify-self:end;max-width:460px}
.video-sec__frame{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 50px 90px -60px rgba(8,33,29,.7);background:var(--ink)}
.video-sec__el{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;background:#051715;max-height:72vh}
.video-sec__fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#06201c,#03100e);color:#fff;text-align:center;z-index:3}
.video-sec__fallback[hidden]{display:none}
.video-sec__fallback-in{display:flex;flex-direction:column;align-items:center;gap:14px}
.video-sec__fallback-ico{width:62px;height:62px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--accent,#cfe8d8);border:1px solid rgba(255,255,255,.28)}
.video-sec__fallback-in p{margin:0;font-size:20px;font-weight:600;letter-spacing:.04em}
.video-sec__fallback-in small{margin:0;font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.08em}

/* ---------- 联系 ---------- */
.contact{background:var(--paper)}
.contact__cta{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 55%,#0d3b31 100%);
  border-radius:26px;padding:clamp(38px,5.5vw,72px);color:#fff;position:relative;overflow:hidden;
  margin-bottom:clamp(40px,5vw,66px);
}
.contact__cta::before{content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;background:radial-gradient(closest-side,rgba(95,216,200,.18),transparent);pointer-events:none}
.contact__cta-eyebrow{font-size:13px;letter-spacing:.3em;color:var(--aqua);margin-bottom:18px}
.contact__cta-title{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.6vw,44px);line-height:1.4;letter-spacing:.02em}
.contact__cta-tel{
  display:inline-block;font-family:var(--serif);font-size:clamp(30px,5vw,58px);letter-spacing:.06em;
  margin-top:26px;color:#fff;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:4px;
  transition:color .35s,border-color .35s;
}
.contact__cta-tel:hover{color:var(--aqua);border-color:var(--aqua)}
.contact__cta-sub{display:block;margin-top:16px;font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.58)}
.contact__grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(32px,5vw,72px)}
.contact__info h3,.contact__form h3{font-family:var(--serif);font-size:23px;font-weight:600;margin-bottom:26px;letter-spacing:.03em}
.contact__list{display:flex;flex-direction:column;gap:20px}
.contact__list>div{display:grid;grid-template-columns:88px 1fr;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.contact__list dt{font-size:12.5px;letter-spacing:.14em;color:var(--muted-l);padding-top:3px}
.contact__list dd{font-size:15px;color:var(--ink-2);line-height:1.85}
.contact__list dd a{font-family:var(--serif);font-size:20px;letter-spacing:.04em;color:var(--emerald-d)}
.contact__locator{display:flex;gap:14px;align-items:flex-start;margin-top:26px;padding:18px 20px;background:var(--mint);border-radius:14px}
.contact__locator svg{width:22px;height:22px;color:var(--emerald);flex-shrink:0;margin-top:3px}
.contact__locator span{font-size:14px;letter-spacing:.06em;line-height:1.8;color:var(--ink-2)}
.contact__locator em{font-style:normal;color:var(--muted);font-size:12px}

/* ===== 总部位置地图卡片（首页 + 联系我们页共用，真实交互地图） ===== */
.contact__info,.contact-info{display:flex;flex-direction:column}
.locmap{
  margin-top:22px;display:flex;flex-direction:column;flex:1 1 auto;min-height:300px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#e9edf2;
  box-shadow:0 14px 34px -22px rgba(8,33,29,.32);
}
.locmap__map{flex:1 1 auto;min-height:248px;background:#e9edf2}
/* Leaflet 控件配色微调，贴合站点风格 */
.locmap__map .leaflet-control-zoom a{color:#0f3a2f;border-color:rgba(15,58,47,.16);background:rgba(255,255,255,.92)}
.locmap__map .leaflet-control-zoom a:hover{background:#0f7a5f;color:#fff;border-color:#0f7a5f}
.leaf-divicon{background:transparent!important;border:none!important}
.leaf-pin{position:relative;width:30px;height:42px}
.leaf-pin svg{width:100%;height:100%;color:#0f7a5f;filter:drop-shadow(0 8px 10px rgba(8,33,29,.28))}
.leaf-pin__pulse{
  position:absolute;left:50%;bottom:1px;width:16px;height:16px;margin-left:-8px;border-radius:50%;
  background:rgba(15,122,95,.45);animation:locPulse 2.6s ease-out infinite;pointer-events:none;
}
@keyframes locPulse{0%{transform:scale(.4);opacity:.85}70%{transform:scale(3.2);opacity:0}100%{transform:scale(3.2);opacity:0}}
.leaflet-popup-content-wrapper{border-radius:12px}
.leaflet-popup-content{margin:10px 14px;font-size:13px;line-height:1.5;color:#1f2a26}
.leaflet-popup-content b{font-size:14px;color:#0f3a2f}
.locmap__hint{
  background:rgba(255,255,255,.86);border-radius:8px;padding:3px 9px;font-size:11px;
  color:#0f3a2f;box-shadow:0 2px 6px rgba(0,0,0,.12);letter-spacing:.04em;
}
.locmap__foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:14px 16px;background:#fff;border-top:1px solid var(--line);
}
.locmap__addr{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--ink);line-height:1.4}
.locmap__acts{display:flex;gap:8px;flex:0 0 auto}
.locmap__acts a{
  font-size:12.5px;padding:7px 13px;border-radius:999px;white-space:nowrap;
  border:1px solid rgba(15,122,95,.26);color:var(--emerald-d);transition:background .22s,color .22s,border-color .22s;
}
.locmap__acts a:hover{background:var(--emerald);border-color:var(--emerald);color:#fff}
@media (max-width:560px){
  .locmap{min-height:280px}
  .locmap__map{min-height:210px}
  .locmap__acts{width:100%}
  .locmap__acts a{flex:1 1 0;text-align:center}
}

.contact__form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(26px,3vw,40px);position:relative}
.field{margin-bottom:18px}
.field label{display:block;font-size:12.5px;letter-spacing:.14em;color:var(--muted);margin-bottom:8px}
.field label i{color:#c0563f;font-style:normal}
.field input,.field textarea,.select select{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:var(--paper);
  font-size:15px;outline:none;transition:border-color .3s,background .3s,box-shadow .3s;
}
.field input:focus,.field textarea:focus,.select select:focus{border-color:var(--emerald-l);background:#fff;box-shadow:0 0 0 4px rgba(47,160,132,.1)}
.field textarea{resize:vertical;min-height:88px}
.select{position:relative}
.select::after{content:"";position:absolute;right:16px;top:50%;width:7px;height:7px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.select select{appearance:none;cursor:pointer}
.contact__form-note{font-size:12px;color:var(--muted-l);margin-top:14px;letter-spacing:.04em;text-align:center;transition:color .3s}
.contact__form-note.is-err{color:#c0563f}

/* 表单内联错误提示（醒目：图标 + 红字，定位在对应输入框下方） */
.field__err{display:none;align-items:center;gap:7px;margin-top:9px;font-size:13.5px;font-weight:700;color:#c0563f;letter-spacing:.01em}
.field__err::before{content:"!";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:#c0563f;color:#fff;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.field__err.is-show{display:flex;animation:errPop .25s ease}
@keyframes errPop{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}
/* 输入框错误态：红框高亮 */
.field input.is-err,.field textarea.is-err{border-color:#c0563f!important;box-shadow:0 0 0 4px rgba(192,86,63,.14)!important}
/* 防刷蜜罐：正常用户不可见，机器人易误填 */
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden;opacity:0}

/* 表单算术验证码 */
.field--cap .cap-row{display:flex;align-items:center;gap:10px}
.field--cap .cap-row input{flex:0 0 120px;max-width:120px}
.field--cap .cap-q{flex:1 1 auto;min-width:0;font-size:14px;color:var(--ink-2);background:var(--paper-2,#f3f6f5);border:1px solid var(--line,#e6ecea);border-radius:12px;padding:10px 12px;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.field--cap .cap-refresh{flex:0 0 auto;width:42px;height:42px;border:1px solid var(--line,#e6ecea);background:#fff;border-radius:12px;color:var(--aqua-deep,#1f8c7c);font-size:20px;line-height:1;cursor:pointer;transition:background .2s,transform .2s}
.field--cap .cap-refresh:hover{background:var(--paper-2,#f3f6f5)}
.field--cap .cap-refresh:active{transform:rotate(90deg)}
/* 验证码出错：整行轻抖 + 新题高亮，避免"只换题不提示"的错觉 */
.field--cap .cap-row.is-shake{animation:capShake .45s cubic-bezier(.36,.07,.19,.97)}
@keyframes capShake{0%,100%{transform:translateX(0)}18%{transform:translateX(-6px)}38%{transform:translateX(5px)}58%{transform:translateX(-4px)}78%{transform:translateX(3px)}}
.field--cap .cap-q.is-flash{animation:capFlash .9s ease}
@keyframes capFlash{0%{background:rgba(192,86,63,.16);border-color:#c0563f;color:#c0563f}100%{background:var(--paper-2,#f3f6f5);border-color:var(--line,#e6ecea);color:var(--ink-2)}}
@media (max-width:420px){
  .field--cap .cap-row{flex-wrap:wrap}
  .field--cap .cap-row input{flex:1 1 100%}
  .field--cap .cap-q{flex:1 1 auto}
}
.contact__form-ok{
  position:absolute;inset:0;background:rgba(255,255,255,.985);border-radius:22px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  opacity:0;visibility:hidden;transition:opacity .5s,visibility .5s;text-align:center;padding:30px;
}
.contact__form-ok.is-show{opacity:1;visibility:visible}
.contact__form-ok svg{width:52px;height:52px;color:var(--emerald);stroke-dasharray:40;stroke-dashoffset:40}
.contact__form-ok.is-show svg{animation:drawCheck .8s var(--ease) forwards}
@keyframes drawCheck{to{stroke-dashoffset:0}}
.contact__form-ok b{font-family:var(--serif);font-size:18px;letter-spacing:.04em}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(56px,7vw,88px) 0 clamp(56px,7vw,80px);position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;left:-10%;bottom:-60%;width:60%;height:120%;background:radial-gradient(closest-side,rgba(15,122,95,.22),transparent);pointer-events:none}
.footer__grid{display:grid;grid-template-columns:1.2fr .65fr .9fr 1.6fr;gap:clamp(28px,4vw,60px);position:relative}
.logo--footer{color:#fff;margin-bottom:20px}
.footer__brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.55)}
.footer__slogan{font-family:var(--serif);color:var(--aqua)!important;letter-spacing:.14em;margin-top:16px;font-size:13.5px!important;opacity:.85}
.footer__col h4{font-size:12.5px;letter-spacing:.24em;color:rgba(255,255,255,.4);font-weight:500;margin-bottom:18px}
.footer__col a{display:block;font-size:14.5px;padding:5px 0;color:rgba(255,255,255,.72);transition:color .3s,transform .3s}
.footer__col a:hover{color:var(--aqua);transform:translateX(3px)}
.footer__col p{font-size:14px;line-height:1.9;margin-top:8px;color:rgba(255,255,255,.55)}
.footer__col--wide .btn{margin-top:18px}
.footer__col--wide p{white-space:nowrap;font-size:12.5px;letter-spacing:0}
.footer__col a.btn{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:12px 26px;text-align:center;font-size:14px}

/* ---------- 悬浮按钮组 ---------- */
.float-group{
  position:fixed;right:clamp(16px,2vw,26px);bottom:clamp(16px,2vw,26px);z-index:700;
  display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  transform:translateY(170%);transition:transform .6s var(--ease-out);
}
.float-group.is-show{transform:none}
.fab{
  width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;
  box-shadow:0 14px 30px -12px rgba(8,33,29,.6);position:relative;
  transition:transform .35s var(--ease),background .3s;
}
.fab svg{width:21px;height:21px}
.fab:hover{transform:translateY(-3px)}
.fab--consult{background:var(--emerald);width:auto;min-width:50px;height:50px;border-radius:999px;padding:0 17px 0 14px;display:flex;align-items:center;justify-content:center;gap:7px}
.fab--consult:hover{background:var(--emerald-d)}
.fab--consult svg{width:19px;height:19px;flex:none}
/* 订水热线：圆形按钮，悬停向左展开电话号码 */
.fab--tel{
  background:var(--aqua);color:var(--ink-2);
  width:auto;min-width:50px;height:50px;border-radius:999px;
  display:flex;align-items:center;justify-content:flex-end;overflow:hidden;
  padding:0;
}
.fab--tel:hover{background:#4fcab9}
.fab--tel svg{order:2;flex:none;margin:0 14.5px}
.fab--tel .fab__num{
  order:1;white-space:nowrap;font-size:14.5px;font-weight:600;letter-spacing:.05em;
  font-family:var(--sans, inherit);
  max-width:0;opacity:0;transform:translateX(16px);
  transition:max-width .55s var(--ease-out),opacity .32s ease .06s,transform .55s var(--ease-out),padding-left .55s var(--ease-out);
}
.fab--tel:hover .fab__num,.fab--tel:focus-visible .fab__num{
  max-width:200px;opacity:1;transform:none;padding-left:18px;
}
@media (hover:none){
  .fab--tel .fab__num{max-width:200px;opacity:1;transform:none;padding-left:18px}
}
.fab--top{background:rgba(8,33,29,.85);backdrop-filter:blur(8px);opacity:0;visibility:hidden;transform:translateY(10px) scale(.9);transition:.45s var(--ease)}
.fab--top.is-show{opacity:1;visibility:visible;transform:none}
.fab--top:hover{background:var(--emerald)}
.fab__label{
  position:absolute;right:60px;top:50%;transform:translateY(-50%);
  white-space:nowrap;background:rgba(8,33,19,.92);color:#fff;font-size:12.5px;letter-spacing:.1em;
  padding:6px 12px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .3s;
}
.fab:hover .fab__label{opacity:1}
.fab--consult .fab__label{position:static;transform:none;opacity:1;pointer-events:auto;background:none;padding:0;color:#fff;font-size:14px;letter-spacing:.14em}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:950;display:grid;place-items:center;padding:clamp(14px,3vw,40px);visibility:hidden;opacity:0;transition:opacity .4s,visibility .4s}
.modal.is-open{visibility:visible;opacity:1}
.modal__backdrop{position:absolute;inset:0;background:rgba(4,18,16,.72);backdrop-filter:blur(8px)}
.modal__panel{
  position:relative;z-index:2;background:#fff;border-radius:22px;overflow:hidden;
  width:min(880px,100%);max-height:90svh;overflow-y:auto;
  transform:translateY(30px) scale(.98);transition:transform .55s var(--ease-out);
}
.modal.is-open .modal__panel{transform:none}
.modal__close{position:absolute;right:14px;top:14px;z-index:3;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.92);font-size:22px;line-height:1;display:grid;place-items:center;color:var(--ink);box-shadow:0 6px 18px rgba(0,0,0,.15)}
.modal__media{aspect-ratio:16/8;overflow:hidden;background:var(--mint)}
.modal__media img{width:100%;height:100%;object-fit:cover}
.modal__content{padding:clamp(24px,4vw,44px)}
.modal__content h3{font-family:var(--serif);font-size:clamp(21px,2.6vw,30px);line-height:1.5;font-weight:600;margin-bottom:20px}
.modal__body p{font-size:14px;line-height:2.05;color:#3d5349;margin-bottom:1em}
.modal__hint{font-size:11px;color:var(--muted-l);letter-spacing:.06em;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}

/* 资质原图查看器 */
.cert-origin{display:flex;flex-direction:column;align-items:stretch;place-items:stretch;padding:0;background:rgba(4,18,16,.9)}
.cert-origin__stage{position:relative;flex:1;min-height:0;margin:0;display:grid;place-items:center;padding:clamp(56px,7vw,88px) clamp(20px,7vw,96px) clamp(16px,2.4vw,26px)}
.cert-origin__stage img{display:block;max-width:100%;max-height:calc(100vh - 210px);width:auto;height:auto;object-fit:contain;background:#fff;border-radius:6px;box-shadow:0 40px 90px -34px rgba(0,0,0,.8);opacity:0;transform:scale(.985);transition:opacity .45s var(--ease),transform .6s var(--ease)}
.cert-origin__stage img.is-ready{opacity:1;transform:none}
.cert-origin__loading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;font-size:12.5px;letter-spacing:.24em;color:rgba(255,255,255,.55)}
.cert-origin__loading small{display:block;margin-top:10px;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.34)}
.cert-origin__flag{position:absolute;left:50%;bottom:clamp(4px,1.4vw,12px);transform:translateX(-50%);font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.75);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);border-radius:999px;padding:5px 13px;white-space:nowrap}
.cert-origin__bar{flex:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px clamp(20px,4vw,48px) clamp(18px,2.6vw,26px);color:#fff;border-top:1px solid rgba(255,255,255,.1);position:relative;z-index:2}
.cert-origin__meta b{display:block;font-family:var(--serif);font-size:clamp(16px,2vw,20px);letter-spacing:.06em}
.cert-origin__meta span{display:block;font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.6);margin-top:3px}
.cert-origin__tools{display:flex;align-items:center;gap:16px;flex:none}
.cert-origin__tools em{font-style:normal;font-family:var(--serif);font-size:12.5px;letter-spacing:.18em;color:rgba(255,255,255,.55)}
.cert-origin__open{font-size:12.5px;letter-spacing:.08em;color:#fff;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 16px;transition:background .3s,color .3s,border-color .3s;white-space:nowrap}
.cert-origin__open:hover{background:#fff;color:var(--ink);border-color:#fff}
.cert-origin__nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);cursor:pointer;padding:0;transition:background .3s}
.cert-origin__nav:hover{background:rgba(255,255,255,.22)}
.cert-origin__nav svg{width:22px;height:22px}
.cert-origin__nav--prev{left:clamp(10px,2.4vw,32px)}
.cert-origin__nav--next{right:clamp(10px,2.4vw,32px)}
.cert-origin__close{top:clamp(10px,2vw,20px);right:clamp(10px,2vw,20px);z-index:4;width:42px;height:42px;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);box-shadow:none}
.cert-origin__close:hover{background:rgba(255,255,255,.26)}

/* ---------- 入场动画 ---------- */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .95s var(--ease),transform .95s var(--ease)}
[data-reveal="fade"]{transform:none}
[data-reveal].is-in{opacity:1;transform:none}
[data-split] .ch{display:inline-block;opacity:0;transform:translateY(.5em);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--i) * 26ms)}
[data-split].is-in .ch{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
/* ---------- 子页面通用 ---------- */
.page-hero{position:relative;min-height:48vh;display:flex;align-items:flex-end;justify-content:flex-start;padding:130px 0 7vh;overflow:hidden;color:#fff}
.page-hero__bg{position:absolute;inset:0}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,28,24,.42),rgba(6,28,24,.85))}
.page-hero__inner{position:relative;z-index:2;width:100%}
.page-hero .crumb{font-size:13px;letter-spacing:.22em;opacity:.78;margin-bottom:16px}
.page-hero .crumb a{color:#fff;opacity:.85}
.page-hero h1{font-family:var(--serif);font-size:clamp(34px,6vw,62px);font-weight:700;letter-spacing:.04em;margin:0 0 14px;line-height:1.2}
.page-hero p{font-size:clamp(15px,2vw,19px);opacity:.92;max-width:none;line-height:1.95}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,70px);align-items:center}
.about-grid--rev{direction:rtl}
.about-grid--rev > *{direction:ltr}
.about-fig{border-radius:22px;overflow:hidden;box-shadow:0 40px 80px -50px rgba(8,33,29,.55);aspect-ratio:4/3.2}
.about-fig img{width:100%;height:100%;object-fit:cover}
.about-text p{margin:0 0 16px;line-height:1.95;color:var(--ink-2)}

.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.value-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:transform .4s var(--ease),box-shadow .4s}
.value-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -40px rgba(8,33,29,.4)}
.value-card__ico{width:48px;height:48px;border-radius:12px;background:var(--mint);color:var(--emerald);display:grid;place-items:center;font-size:22px;font-weight:700;margin-bottom:18px;font-family:var(--serif)}
.value-card h3{font-size:19px;margin:0 0 10px;letter-spacing:.02em}
.value-card p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0}

.brand-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.brand-card{background:linear-gradient(160deg,#fbfdfc,#eef6f2);border:1px solid var(--line);border-radius:20px;padding:34px 28px;text-align:center}
.brand-card h3{font-family:var(--serif);font-size:24px;margin:0 0 8px}
.brand-card span{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--emerald);margin-bottom:14px}
.brand-card p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0}

.cta-band{background:var(--ink);color:#fff;text-align:center;padding:clamp(48px,7vw,86px) 0}
.cta-band h2{font-family:var(--serif);font-size:clamp(26px,4vw,40px);margin:0 0 14px;font-weight:600;letter-spacing:.04em}
.cta-band p{opacity:.85;margin:0 0 28px;font-size:16px}
.cta-band .btn--ghost{color:#fff;border-color:rgba(255,255,255,.4)}

.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.news-item{background:var(--white);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s}
.news-item:hover{transform:translateY(-6px);box-shadow:0 30px 60px -40px rgba(8,33,29,.45)}
.news-item__media{aspect-ratio:16/9;overflow:hidden}
.news-item__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-item:hover .news-item__media img{transform:scale(1.05)}
.news-item__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-item__body h3{font-size:18px;line-height:1.55;margin:0}
.news-item__body p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;flex:1}
.news-item__more{color:var(--emerald);font-size:14px;font-weight:500}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,64px)}
.contact-info h3{font-family:var(--serif);font-size:24px;margin:0 0 22px;letter-spacing:.03em}
.contact-list{display:flex;flex-direction:column;gap:18px;margin:0 0 26px}
.contact-list div{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start}
.contact-list dt{color:var(--muted);font-size:14px}
.contact-list dd{margin:0;font-size:15.5px;line-height:1.7;color:var(--ink-2)}
.contact-locator{display:flex;gap:12px;align-items:center;color:var(--emerald);font-size:15px}
.contact-locator svg{width:26px;height:26px;flex:none}

/* ---------- 单行标题 ---------- */
.h2--nowrap{white-space:nowrap;font-size:clamp(22px,2.6vw,38px);letter-spacing:.01em}

/* ---------- 检测报告 / 证书文件 ---------- */
/* ---------- 关于我们 · 企业文化 ---------- */
.culture{display:grid;grid-template-columns:1.04fr 1fr;gap:clamp(24px,3.4vw,52px);align-items:stretch}
.culture__stage{position:relative;margin:0;border-radius:24px;overflow:hidden;background:var(--ink);min-height:clamp(360px,40vw,510px);box-shadow:0 40px 80px -54px rgba(8,33,29,.55)}
.culture__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.08);transition:opacity .85s var(--ease),transform 1.9s var(--ease)}
.culture__img.is-active{opacity:1;transform:scale(1)}
.culture__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,22,19,.02) 34%,rgba(5,22,19,.86))}
.culture__stamp{position:absolute;right:clamp(20px,3vw,30px);top:clamp(14px,2vw,22px);font-family:var(--serif);font-size:clamp(56px,7.4vw,88px);line-height:1;color:rgba(255,255,255,.32);text-shadow:0 4px 30px rgba(0,0,0,.28);letter-spacing:.04em;transition:opacity .4s,transform .7s var(--ease)}
.culture__stamp.is-swap{opacity:0;transform:translateY(-10px)}
.culture__cap{position:absolute;left:clamp(22px,3vw,32px);bottom:clamp(22px,3vw,30px);color:#fff}
.culture__cap b{display:block;font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);letter-spacing:.06em}
.culture__cap em{display:block;font-style:normal;font-family:var(--sans);font-size:10.5px;letter-spacing:.3em;opacity:.64;margin-top:8px}
.culture__count{position:absolute;right:clamp(22px,3vw,32px);bottom:clamp(26px,3.2vw,34px);font-size:11.5px;letter-spacing:.2em;color:rgba(255,255,255,.78)}
.culture__count b{font-family:var(--serif);font-size:15px;letter-spacing:.08em;color:#fff}
.culture__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.culture__item{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s,border-color .35s,background .4s}
.culture__item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--aqua),var(--emerald));transform:scaleY(0);transform-origin:center;transition:transform .45s var(--ease)}
.culture__item:hover{transform:translateY(-2px)}
.culture__item.is-active{border-color:var(--mint-2);background:linear-gradient(180deg,#fff,#f7fbf8);box-shadow:0 26px 50px -40px rgba(8,33,29,.45)}
.culture__item.is-active::before{transform:scaleY(1)}
.culture__no{font-family:var(--serif);font-size:13px;letter-spacing:.1em;color:var(--muted-l);transition:color .35s}
.culture__item.is-active .culture__no{color:var(--emerald)}
.culture__main h3{font-size:17px;letter-spacing:.05em;margin:0}
.culture__main span{display:block;font-size:9.5px;letter-spacing:.26em;color:var(--muted-l);margin-top:5px}
.culture__ico{width:38px;height:38px;flex:none;border-radius:11px;display:grid;place-items:center;background:var(--mint);color:var(--emerald-d);transition:background .4s,color .4s,transform .55s var(--ease)}
.culture__ico svg{width:19px;height:19px}
.culture__item.is-active .culture__ico{background:var(--emerald);color:#fff;transform:rotate(-5deg)}
.culture__panel{grid-column:1/-1;max-height:0;opacity:0;overflow:hidden;transition:max-height .55s var(--ease),opacity .45s,margin-top .45s}
.culture__item.is-active .culture__panel{max-height:240px;opacity:1;margin-top:14px}
.culture__panel p{font-size:14px;line-height:1.95;color:var(--muted);margin:0}
.culture__tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.culture__tags span{font-size:11.5px;letter-spacing:.06em;color:var(--emerald-d);background:var(--mint);border-radius:999px;padding:5px 12px}

/* ---------- 关于我们 · 发展历程（交互） ---------- */
.hist__years{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:clamp(26px,3vw,38px)}
.hist__year{padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;letter-spacing:.04em;font-variant-numeric:tabular-nums;transition:.4s var(--ease)}
.hist__year:hover{border-color:var(--mint-2);color:var(--emerald-d);transform:translateY(-2px)}
.hist__year.is-active{background:var(--emerald);border-color:var(--emerald);color:#fff;box-shadow:0 14px 28px -18px rgba(15,122,95,.85)}
.hist__stage{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,60px);align-items:center}
.hist__media{position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 40px 80px -52px rgba(8,33,29,.6);background:var(--mint)}
.hist__media img{width:100%;height:100%;object-fit:cover;transition:opacity .45s var(--ease),transform 1.1s var(--ease)}
.hist__media.is-swap img{opacity:0;transform:scale(1.05)}
.hist__media figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 22px 18px;background:linear-gradient(0deg,rgba(5,22,19,.86),transparent);color:#fff;font-size:12px;letter-spacing:.14em}
.hist__panel{padding-left:4px}
.hist__panel .hist__tag{display:inline-block;font-size:11.5px;letter-spacing:.24em;color:var(--emerald);border:1px solid var(--mint-2);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.hist__panel h3{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);font-weight:600;letter-spacing:.03em;line-height:1.4}
.hist__panel p{font-size:15px;line-height:2;color:var(--muted);margin-top:14px;max-width:480px}
.hist__dots{display:flex;gap:8px;margin-top:26px}
.hist__dot{width:26px;height:3px;border-radius:3px;background:var(--mint-2);transition:background .4s,width .4s}
.hist__dot.is-active{background:var(--emerald);width:44px}

/* ---------- 关于我们 · 品牌展示 ---------- */
.brand-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.bs-card{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:3/3.7;background:var(--ink);box-shadow:0 30px 60px -46px rgba(8,33,29,.55)}
.bs-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),opacity .5s}
.bs-card:hover img{transform:scale(1.07);opacity:.85}
.bs-card__idx{position:absolute;left:18px;top:16px;font-size:11px;letter-spacing:.24em;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:5px 11px;backdrop-filter:blur(4px)}
.bs-card__info{position:absolute;left:0;right:0;bottom:0;padding:28px 24px 24px;color:#fff;background:linear-gradient(0deg,rgba(5,22,19,.9),rgba(5,22,19,.05))}
.bs-card__info b{display:block;font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);font-weight:600;letter-spacing:.02em}
.bs-card__info em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.28em;opacity:.7;margin-top:5px}
.bs-card__info p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.88);margin-top:0;max-height:0;opacity:0;overflow:hidden;transition:max-height .6s var(--ease),opacity .5s,margin .5s}
.bs-card:hover .bs-card__info p,.bs-card:focus-within .bs-card__info p{max-height:140px;opacity:.9;margin-top:12px}

/* ---------- 水源地 · 深层取水 ---------- */
.deep__head{grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,76px)}
.deep__head .cert__intro{max-width:none;justify-self:stretch}
.deep{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,76px);align-items:stretch}
.deep__text .h2{margin-bottom:20px}
.deep__text p{color:#415a50;font-size:15.5px;line-height:2.05;margin-bottom:1em}
.deep__features{display:flex;flex-direction:column;margin-top:34px;border-top:1px solid var(--line);list-style:none}
.deep__feature{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;padding:24px 16px 24px 26px;border-bottom:1px solid var(--line);transition:background .45s var(--ease),padding-left .45s var(--ease)}
.deep__feature::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--aqua),var(--emerald));transform:scaleY(.26);transform-origin:top;opacity:.3;transition:transform .55s var(--ease),opacity .45s}
.deep__feature::after{content:"";position:absolute;left:-3px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 4px rgba(15,122,95,.1);opacity:.32;transition:opacity .45s,transform .45s var(--ease)}
.deep__feature:hover{background:linear-gradient(90deg,rgba(15,122,95,.055),rgba(15,122,95,0) 64%);padding-left:32px}
.deep__feature:hover::before{transform:scaleY(1);opacity:1}
.deep__feature:hover::after{opacity:1;transform:scale(1.15)}
.df__body b{display:block;font-family:var(--serif);font-size:clamp(17px,1.7vw,20px);font-weight:600;letter-spacing:.04em;color:var(--ink)}
.df__body>span{display:block;font-size:13.5px;line-height:1.9;color:var(--muted);margin-top:8px;max-width:38em}
.df__chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.df__chips i{font-style:normal;font-size:11.5px;letter-spacing:.08em;color:var(--emerald-d);background:var(--mint);border-radius:999px;padding:4px 11px}
.df__meter{font-family:var(--serif);font-size:clamp(30px,3vw,40px);line-height:1;color:var(--emerald-d);text-align:right;letter-spacing:.01em;white-space:nowrap;transition:color .4s,transform .5s var(--ease)}
.df__meter em{display:block;font-style:normal;font-family:var(--sans);font-size:10.5px;letter-spacing:.2em;color:var(--muted-l);margin-top:8px}
.deep__feature:hover .df__meter{color:var(--emerald);transform:translateX(-3px)}
.deep__visual{position:relative;border-radius:22px;overflow:hidden;background:var(--ink);min-height:420px;display:grid;place-items:center;padding:clamp(26px,4vw,44px);box-shadow:0 40px 80px -52px rgba(8,33,29,.6)}
.deep__visual .depth__ruler{height:clamp(320px,50vh,510px)}
.deep__visual .depth__readout b{font-size:clamp(44px,5.2vw,68px)}
.deep__visual>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.deep__visual::after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 45%,rgba(15,122,95,.34),transparent 70%)}
.deep__depth{position:relative;z-index:2}
.deep__cap{position:absolute;left:22px;bottom:18px;z-index:2;font-size:10.5px;letter-spacing:.26em;color:rgba(255,255,255,.6)}

/* ---------- 产品中心 · 规格速览 ---------- */
.spec{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,4.4vw,68px);align-items:center}
.spec__figure{position:relative;border-radius:22px;overflow:hidden;background:var(--mint);aspect-ratio:4/3.4;box-shadow:0 40px 80px -54px rgba(8,33,29,.55)}
.spec__figure img{width:100%;height:100%;object-fit:cover;transition:opacity .45s var(--ease),transform 1.1s var(--ease)}
.spec__figure.is-swap img{opacity:0;transform:scale(1.05)}
.spec__cap{position:absolute;left:0;right:0;bottom:0;padding:30px 24px 20px;background:linear-gradient(0deg,rgba(5,22,19,.86),transparent);color:#fff}
.spec__cap b{display:block;font-family:var(--serif);font-size:22px;letter-spacing:.03em}
.spec__cap span{display:block;font-size:12px;letter-spacing:.14em;opacity:.76;margin-top:4px}
.spec__badge{position:absolute;left:18px;top:18px;font-size:11px;letter-spacing:.18em;color:var(--emerald-d);background:rgba(255,255,255,.92);border-radius:999px;padding:6px 13px;backdrop-filter:blur(6px)}
.spec__list{display:flex;flex-direction:column;gap:12px}
.spec__row{display:grid;grid-template-columns:1fr auto;gap:6px 18px;align-items:center;padding:17px 22px;border:1px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;text-align:left;transition:transform .4s var(--ease),box-shadow .4s,border-color .35s}
.spec__row:hover{transform:translateX(5px);border-color:var(--mint-2);box-shadow:0 22px 40px -34px rgba(8,33,29,.4)}
.spec__row.is-active{border-color:var(--emerald);box-shadow:0 26px 46px -36px rgba(15,122,95,.6);transform:translateX(6px)}
.spec__row h3{font-family:var(--serif);font-size:18.5px;font-weight:600;letter-spacing:.02em;grid-column:1;white-space:nowrap}
.spec__row p{grid-column:1;font-size:13px;color:var(--muted);line-height:1.7}
.spec__row .spec__size{grid-column:2;grid-row:1/3;font-family:var(--serif);font-size:20px;color:var(--emerald-d);font-variant-numeric:tabular-nums;white-space:nowrap}
.spec__bar{grid-column:1/-1;height:4px;border-radius:4px;background:var(--mint-2);overflow:hidden;margin-top:4px}
.spec__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--emerald),var(--aqua));border-radius:4px;transition:width .9s var(--ease)}
.spec__row.is-active .spec__bar i{width:var(--w,60%)}

/* ---------- 水质监测 · 生产工艺侧栏 ---------- */
.proc-side{display:flex;flex-direction:column;gap:16px;align-self:start}
.proc-side__fig{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05)}
.proc-side__fig img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9;transition:transform 1.1s var(--ease)}
.proc-side__fig:hover img{transform:scale(1.05)}
.proc-side__fig span{position:absolute;left:14px;bottom:12px;font-size:10.5px;letter-spacing:.22em;color:#fff;background:rgba(5,22,19,.6);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 12px;backdrop-filter:blur(6px)}
.proc-side__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.proc-side__stat{padding:16px 12px;text-align:center;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.proc-side__stat b{display:block;font-family:var(--serif);font-size:clamp(20px,2vw,28px);line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.proc-side__stat span{display:block;margin-top:6px;font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.6)}

/* ---------- 联系我们 · 服务网点 ---------- */
.branch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.2vw,26px)}
.branch{display:grid;grid-template-columns:.85fr 1.15fr;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;transition:transform .45s var(--ease),box-shadow .45s,border-color .35s}
.branch:hover{transform:translateY(-6px);box-shadow:0 38px 64px -46px rgba(8,33,29,.5);border-color:var(--mint-2)}
.branch__media{overflow:hidden;background:var(--mint)}
.branch__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.branch:hover .branch__media img{transform:scale(1.07)}
.branch__body{padding:24px 24px 26px;display:flex;flex-direction:column}
.branch__tag{display:inline-block;align-self:flex-start;font-size:11px;letter-spacing:.18em;color:var(--emerald-d);background:var(--mint);border-radius:999px;padding:5px 12px;margin-bottom:12px}
.branch__body b{font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:.02em}
.branch__body p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-top:9px;flex:1}
.branch__link{margin-top:16px;font-size:12.5px;letter-spacing:.1em;color:var(--emerald-d);transition:transform .35s}
.branch:hover .branch__link{transform:translateX(4px)}

@media (max-width:1080px){
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .brand-cards{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr}
  .about-grid--rev{direction:ltr}
  .news-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .culture{grid-template-columns:1fr}
  .culture__stage{width:100%;min-height:0;aspect-ratio:4/3}
  .hist__stage{grid-template-columns:1fr}
  .brand-showcase{grid-template-columns:1fr 1fr}
  .deep{grid-template-columns:1fr}
  .spec{grid-template-columns:1fr}
  .branch-grid{grid-template-columns:1fr}
  .footer__col--wide p{white-space:normal}
}
@media (max-width:560px){
  .value-grid{grid-template-columns:1fr}
  .brand-cards{grid-template-columns:1fr}
  .brand-showcase{grid-template-columns:1fr}
  .culture__item{grid-template-columns:auto 1fr;padding:15px 16px;gap:12px}
  .culture__ico{display:none}
  .cert-origin__nav{width:40px;height:40px}
  .cert-origin__bar{flex-direction:column;align-items:flex-start;gap:10px}
  .cert-origin__stage{padding:64px 14px 12px}
  .branch{grid-template-columns:1fr}
  .branch__media{aspect-ratio:16/9}
  .proc-side__stats{grid-template-columns:1fr 1fr 1fr}
}

@media (max-width:1080px){
  .nav{display:none}
  .burger{display:block}
  .header__tel{display:none}
  .brand__grid,.source__grid,.mineral__head,.cert__head,.video-sec__head{grid-template-columns:1fr}
  .mineral__grid{grid-template-columns:1fr;gap:clamp(30px,6vw,50px)}
  .mineral__intro,.cert__intro,.video-sec__intro{justify-self:start}
  .brand__media{max-width:520px}
  .brand__vtext{display:none}
  .timeline{grid-template-columns:1fr}
  .process__aside{border-top:0;padding-top:0}
  .depth{justify-content:flex-start;margin-top:30px}
  .cert__grid{grid-template-columns:repeat(2,1fr)}
  .news__grid{grid-template-columns:1fr 1fr}
  .news-feature{grid-template-columns:1fr}
  .news-feature__media{min-height:260px;aspect-ratio:16/9}
  .news-card:nth-child(4){grid-column:1/-1}
  .clients__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .pitem{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .hero__stats{grid-template-columns:1fr 1fr}
  .hero__stat:nth-child(3)::before,.hero__stat:nth-child(odd)::before{display:none}
  .hero__stat{padding:18px 0 22px}
  .hero__scroll{display:none}
  .hero__content{padding-top:104px}
  .hero__desc{font-size:14px}
  .hero__actions{gap:10px}
  .btn{padding:13px 24px;font-size:14px}
  .brand__stats{grid-template-columns:1fr 1fr;gap:22px 14px}
  .brand__badge{width:96px;height:96px;right:-8px;bottom:20px}
  .brand__badge b{font-size:29px}
  .depth__ruler{height:260px}
  .glass{width:min(84%,280px)}
  .mf--1{left:-2%}.mf--2{right:-2%}
  .products__head{flex-direction:column;align-items:flex-start}
  .tabs{width:100%;justify-content:space-between}
  .tab{padding:9px 12px;font-size:13px}
  .pitem{grid-template-columns:1fr}
  .pitem[data-panel="bottle"],.pitem[data-panel="custom"]{grid-template-columns:repeat(2,1fr)}
  .cert__grid{grid-template-columns:1fr}
  .clients__stats{grid-template-columns:1fr}
  .news__grid{grid-template-columns:1fr}
  .news-card:nth-child(4){grid-column:auto}
  .contact__list>div{grid-template-columns:74px 1fr}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .header__inner{gap:14px}
  .deep__feature{grid-template-columns:1fr;gap:12px;padding-left:22px}
  .df__meter{text-align:left}
  .cert__head--line .cert__intro{white-space:normal}
}
@media (max-width:420px){
  .hero__title-line{font-size:clamp(34px,11vw,44px)}
  .hero__title-sub{letter-spacing:.14em}
  .hero__poem{letter-spacing:.14em}
  .container{padding:0 18px}
  .logo__text b{font-size:13px;letter-spacing:.01em}
  .logo__text i{display:none}
  .mineral__cards{grid-template-columns:1fr}
  .clients__stats{grid-template-columns:1fr}
  .process__head .h2:not(.h2--lines){white-space:normal}
}

/* 减少动效 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal],[data-split] .ch{opacity:1!important;transform:none!important}
}