.water-article-page{
  --water-deep:#17332f;
  --water-mid:#315f59;
  --water-mint:#8fb2a4;
  --water-copper:#b66d43;
  --water-cream:#f5efe2;
  --water-paper:#ede3d1;
  background:var(--water-cream);
  color:#20342f;
}
.water-article-page main{overflow:hidden}
.water-article-page .site-head{position:fixed}
.water-article-page .home-return{
  color:#d9c4a3;
  font-size:11px;
  text-decoration:none;
  white-space:nowrap;
}
.water-article-page .home-return:hover{color:#fff}
.water-hero{
  min-height:760px;
  padding:150px 6vw 90px;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(360px,.8fr);
  gap:7vw;
  align-items:center;
  position:relative;
  background:
    radial-gradient(circle at 73% 40%,#56807855,transparent 27%),
    linear-gradient(135deg,#102721 0%,#193b34 55%,#102b27 100%);
  color:#f8f0df;
}
.water-hero::before{
  content:"";
  position:absolute;
  inset:0;
  opacity:.34;
  background-image:linear-gradient(90deg,#ffffff08 1px,transparent 1px),linear-gradient(#ffffff08 1px,transparent 1px);
  background-size:58px 58px;
}
.water-hero-copy,.water-hero-media{position:relative;z-index:1}
.water-kicker{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-bottom:24px;
  color:#e4bc85;
  font:11px Georgia,"Times New Roman",serif;
  letter-spacing:2.8px;
}
.water-kicker::before{content:"";width:46px;height:1px;background:#d38452}
.water-hero h1{
  max-width:880px;
  margin:0;
  font:500 clamp(46px,4.8vw,78px)/1.16 Georgia,"Songti SC","STSong",serif;
  letter-spacing:-2.5px;
}
.water-hero h1 em{display:block;color:#e7bc86;font-size:.84em;font-style:normal;letter-spacing:-1px}
.water-hero .lead{
  max-width:690px;
  margin:30px 0 0;
  color:#d7ded7;
  font-size:15px;
  line-height:2;
}
.water-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:34px;
}
.water-hero-meta span{
  padding:8px 12px;
  border:1px solid #ffffff28;
  border-radius:99px;
  color:#d5cdbf;
  font-size:10px;
  letter-spacing:.08em;
}
.water-hero-media{margin:0}
.water-hero-media .hero-frame{
  overflow:hidden;
  border-radius:34px 5px 34px 5px;
  background:#f5efe8;
  box-shadow:0 30px 70px #06110d88;
  border:1px solid #ffffff2f;
}
.water-hero-media img{display:block;width:100%;height:auto}
.water-hero-media figcaption{
  display:flex;
  justify-content:space-between;
  gap:18px;
  margin-top:15px;
  color:#adbcb4;
  font-size:10px;
  line-height:1.7;
}
.water-local-nav{
  position:sticky;
  top:78px;
  z-index:8;
  min-height:58px;
  padding:0 6vw;
  display:flex;
  align-items:center;
  gap:24px;
  overflow-x:auto;
  background:#f5efe2ed;
  border-bottom:1px solid #bfae94aa;
  backdrop-filter:blur(12px);
  scrollbar-width:none;
}
.water-local-nav::-webkit-scrollbar{display:none}
.water-local-nav a{
  flex:0 0 auto;
  padding:19px 0 14px;
  color:#59655f;
  text-decoration:none;
  font-size:11px;
  border-bottom:2px solid transparent;
}
.water-local-nav a:hover{color:#aa5e39;border-color:#aa5e39}
.water-article{
  width:min(1180px,88vw);
  margin:0 auto;
  padding:94px 0 120px;
}
.water-intro{
  display:grid;
  grid-template-columns:.65fr 1.35fr;
  gap:8vw;
  margin-bottom:90px;
}
.water-section-number{
  color:#b76d43;
  font:italic 72px/1 Georgia,"Times New Roman",serif;
  opacity:.72;
}
.water-intro h2,.water-section h2{
  margin:10px 0 24px;
  font:500 clamp(34px,4vw,56px)/1.34 Georgia,"Songti SC","STSong",serif;
}
.water-intro p,.water-copy p,.water-copy li{
  color:#5b615d;
  font-size:15px;
  line-height:2;
}
.water-intro strong,.water-copy strong{color:#203b34}
.water-note{
  margin-top:30px;
  padding:19px 22px;
  border-left:3px solid #b66d43;
  background:#e5d9c4aa;
  color:#61665f;
  font-size:12px;
  line-height:1.85;
}
.water-section{
  padding:78px 0;
  border-top:1px solid #c7b99f;
  scroll-margin-top:150px;
}
.water-section-head{
  display:grid;
  grid-template-columns:.52fr 1.48fr;
  gap:7vw;
  align-items:start;
  margin-bottom:46px;
}
.water-section-label{
  color:#a8643e;
  font:11px Georgia,"Times New Roman",serif;
  letter-spacing:2.4px;
}
.water-copy h3{
  margin:30px 0 10px;
  font:600 21px/1.5 Georgia,"Songti SC","STSong",serif;
  color:#29463f;
}
.water-copy p:first-child,.water-copy h3:first-child{margin-top:0}
.water-copy ul,.water-copy ol{margin:18px 0 0;padding-left:1.25em}
.water-copy li+li{margin-top:8px}
.product-family-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.product-family-card{
  min-width:0;
  overflow:hidden;
  background:#faf6ed;
  border:1px solid #d6cbb8;
  border-radius:4px 22px 4px 22px;
}
.product-family-card img{display:block;width:100%;aspect-ratio:2.5/1;object-fit:cover;background:#eee}
.product-family-card div{padding:22px}
.product-family-card small{color:#ad6842;font:9px Georgia;letter-spacing:1.8px}
.product-family-card h3{margin:8px 0 7px;font:500 22px Georgia,"Songti SC",serif}
.product-family-card p{margin:0;color:#6b6c66;font-size:12px;line-height:1.7}
.water-media-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:38px;
}
.water-media-card{
  margin:0;
  overflow:hidden;
  background:#faf6ed;
  border:1px solid #d6cbb8;
}
.water-media-card img{display:block;width:100%;height:390px;object-fit:cover}
.water-media-card.contain img{object-fit:contain;background:#f2ede3;padding:24px}
.water-media-card figcaption{padding:18px 20px;color:#6e706a;font-size:11px;line-height:1.75}
.water-media-card figcaption strong{display:block;color:#27453d;font-size:14px;margin-bottom:4px}
.system-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:40px;
  border-top:1px solid #9f907b;
  border-bottom:1px solid #9f907b;
}
.system-step{padding:28px 24px;border-right:1px solid #c9bba5}
.system-step:last-child{border-right:0}
.system-step span{display:block;color:#b36942;font:italic 18px Georgia;margin-bottom:22px}
.system-step b{display:block;margin-bottom:9px;font:18px Georgia,"Songti SC",serif}
.system-step p{margin:0;color:#6c6e68;font-size:11px;line-height:1.8}
.principle-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-top:34px;
}
.principle-card{
  min-height:210px;
  padding:25px;
  color:#edf4ef;
  background:linear-gradient(145deg,#1d4038,#294f47);
  border-radius:4px 24px 4px 24px;
}
.principle-card span{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid #95b2a6;border-radius:50%;color:#edc08a;font:13px Georgia}
.principle-card h3{margin:25px 0 10px;font:500 20px Georgia,"Songti SC",serif}
.principle-card p{margin:0;color:#c2cec8;font-size:11px;line-height:1.8}
.design-steps{counter-reset:steps;display:grid;gap:1px;margin-top:35px;background:#c8b9a1;border:1px solid #c8b9a1}
.design-step{counter-increment:steps;display:grid;grid-template-columns:72px .6fr 1.4fr;gap:28px;padding:27px;background:#f8f3e9;align-items:start}
.design-step::before{content:counter(steps,decimal-leading-zero);color:#b66d43;font:italic 23px Georgia}
.design-step h3{margin:0;font:500 20px/1.5 Georgia,"Songti SC",serif;color:#244039}
.design-step p{margin:0;color:#646962;font-size:12px;line-height:1.9}
.checklist{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  margin-top:34px;
  background:#c2b299;
  border:1px solid #c2b299;
}
.checklist div{position:relative;padding:22px 24px 22px 55px;background:#f8f3e9;color:#55615b;font-size:12px;line-height:1.75}
.checklist div::before{content:"✓";position:absolute;left:24px;top:21px;color:#b66d43;font-weight:800}
.water-related{
  margin-top:80px;
  padding:52px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px;
  align-items:center;
  background:#18362f;
  color:#f6ecdb;
  border-radius:6px 34px 6px 34px;
}
.water-related small{color:#d7a671;font:10px Georgia;letter-spacing:2.2px}
.water-related h2{margin:12px 0 0;font:500 clamp(27px,3vw,42px)/1.45 Georgia,"Songti SC",serif}
.water-related a{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 22px;
  background:#cf7948;
  color:#fff;
  text-decoration:none;
  font-size:12px;
}
.water-source{
  margin-top:36px;
  color:#7a776f;
  font-size:10px;
  line-height:1.8;
}
.water-reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.water-reading-card{display:block;padding:22px;border:1px solid #bead92;background:#f7f0e3;text-decoration:none;transition:.25s}
.water-reading-card small{color:#a9613d;font:9px Georgia;letter-spacing:1.6px}
.water-reading-card strong{display:block;margin:10px 0 7px;color:#234039;font:500 20px/1.45 Georgia,"Songti SC",serif}
.water-reading-card span{color:#716c63;font-size:11px;line-height:1.75}
.water-reading-card:hover{transform:translateY(-3px);border-color:#b66d43;box-shadow:0 14px 30px #4b3b2a12}
@media(max-width:900px){
  .water-article-page .home-return{display:none}
  .water-hero{min-height:auto;padding:128px 6vw 70px;grid-template-columns:1fr;gap:44px}
  .water-hero h1{letter-spacing:-1.6px}
  .water-hero-media{width:min(620px,100%)}
  .water-local-nav{top:68px}
  .water-intro,.water-section-head{grid-template-columns:1fr;gap:20px}
  .water-intro{margin-bottom:48px}
  .water-section-number{font-size:50px}
  .product-family-grid{grid-template-columns:repeat(2,1fr)}
  .system-steps,.principle-grid{grid-template-columns:repeat(2,1fr)}
  .system-step:nth-child(2){border-right:0}
  .system-step:nth-child(-n+2){border-bottom:1px solid #c9bba5}
  .design-step{grid-template-columns:54px 1fr}
  .design-step p{grid-column:2}
  .water-related{grid-template-columns:1fr;padding:38px}
}
@media(max-width:620px){
  .water-hero{padding:112px 20px 54px}
  .water-hero h1{font-size:36px;line-height:1.18}
  .water-hero .lead{font-size:13px}
  .water-hero-media figcaption{display:block}
  .water-hero-media figcaption span{display:block}
  .water-hero-media figcaption span+span{margin-top:5px}
  .water-local-nav{padding:0 20px;top:64px}
  .water-article{width:auto;margin:0;padding:68px 20px 90px}
  .water-intro h2,.water-section h2{font-size:34px}
  .water-section{padding:58px 0}
  .product-family-grid,.water-media-split,.principle-grid,.checklist,.water-reading-grid{grid-template-columns:1fr}
  .product-family-card img{aspect-ratio:2.25/1}
  .water-media-card img{height:280px}
  .system-steps{grid-template-columns:1fr}
  .system-step{border-right:0;border-bottom:1px solid #c9bba5}
  .system-step:last-child{border-bottom:0}
  .design-step{grid-template-columns:44px 1fr;gap:14px;padding:22px 18px}
  .water-related{margin-top:55px;padding:30px 24px}
}