:root {
  --ink: #17364b; --muted: #526777; --blue: #006cb8;
  --line: #d5e0e6; --soft: #f1f5f7; --navy: #102f44; --paper: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 Arial, Helvetica, sans-serif; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
figure, p, dl, dd { margin: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.16; letter-spacing: -.025em; }
h1 { font-size: clamp(38px, 4.3vw, 62px); }
h2 { font-size: clamp(32px, 3.1vw, 44px); }
h3 { font-size: clamp(26px, 2.3vw, 34px); }
h4 { font-size: 22px; }
p + p { margin-top: 18px; }
.wrap, .sj-wrap { width: min(1240px, calc(100% - 96px)); max-width: 1240px; margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; background: white; padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--blue); margin-bottom: 16px; }
.intro { font-size: 19px; line-height: 1.6; color: var(--muted); max-width: 760px; }
.hero { padding: 54px 0 42px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.08fr; gap: 52px; align-items: center; }
.hero h1 { margin-bottom: 24px; }
.hero figure { align-self: center; }
.hero-photo img { border-radius: 4px; }
.photo-link { display: block; position: relative; cursor: zoom-in; text-decoration: none; }
.photo-link::after { content: '↗'; position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; width: 32px; height: 32px; background: #ffffffeb; color: var(--ink); border: 1px solid var(--line); border-radius: 50%; font-size: 18px; opacity: 0; transition: opacity .15s; }
.photo-link:hover::after, .photo-link:focus-visible::after { opacity: 1; }
figcaption { font-size: 14px; line-height: 1.5; color: var(--muted); margin-top: 12px; }
figcaption strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 5px; }
.button { display: inline-flex; gap: 28px; align-items: center; background: var(--blue); color: white; padding: 13px 22px; text-decoration: none; font-size: 15px; font-weight: bold; border-radius: 3px; margin-top: 26px; }
.button:hover { background: #004f8b; }
.text-link { color: var(--blue); font-weight: 700; text-underline-offset: 5px; display: inline-block; margin-top: 22px; }
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; padding: 35px 0 42px; border-top: 1px solid var(--line); }
.benefits h3 { font-size: 21px; margin-bottom: 12px; }
.benefits p { font-size: 16px; color: var(--muted); }
.section { padding: 72px 0; }
.soft { background: var(--soft); }
.section-head { display: flex; justify-content: space-between; gap: 48px; align-items: end; margin-bottom: 40px; }
.section-head .intro { max-width: 475px; font-size: 17px; }
.section-head h2 { max-width: 650px; }
.scope-section { border-top: 1px solid var(--line); }
.scope-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; }
.scope-grid > * { min-width: 0; }
.duty-context { margin-bottom: 30px; }
.duty-context h3, .pump-technology h3 { font-size: 22px; margin-bottom: 13px; }
.duty-context p, .pump-technology p { font-size: 16px; color: var(--muted); }
.duty-context p + p { margin-top: 12px; }
.scope-links { display: flex; flex-wrap: wrap; gap: 0 26px; font-size: 15px; }
.pump-technology { margin-top: 27px; padding-top: 22px; border-top: 1px solid var(--line); }
.pump-technology .text-link { margin-top: 15px; font-size: 15px; }
.scope-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.scope-items article { border-top: 2px solid var(--line); padding-top: 17px; }
.scope-items h3 { font-size: 21px; margin-bottom: 12px; }
.scope-items p { font-size: 16px; color: var(--muted); }
.scope-grid img { width: 100%; border-radius: 3px; }
.scope-note { margin-top: 27px; border-left: 3px solid var(--blue); padding-left: 18px; font-size: 16px; }
.layout-section { border-top: 1px solid var(--line); padding-top: 52px; }
.layout-heading { display: grid; grid-template-columns: 1.65fr 1fr; align-items: start; gap: 44px; margin-bottom: 28px; }
.layout-heading h2 { font-size: clamp(30px, 2.8vw, 38px); }
.layout-heading p { max-width: 475px; color: var(--muted); font-size: 16px; }
.layout-grid { display: grid; grid-template-columns: 1.65fr 1fr; gap: 44px; align-items: center; }
.layout-grid > * { min-width: 0; }
.layout-image img { width: 100%; border-radius: 3px; }
.layout-marker { position: absolute; transform: translate(-50%, -50%); display: grid; place-items: center; width: 28px; height: 28px; border: 2px solid white; border-radius: 50%; background: var(--blue); color: white; font: 700 14px/1 Arial, sans-serif; box-shadow: 0 1px 5px #17364b55; }
.marker-pump { left: 43%; top: 55%; }
.marker-vessel { left: 33%; top: 22%; }
.marker-pipework { left: 65%; top: 51%; }
.marker-controls { left: 80%; top: 72%; }
.marker-base { left: 70%; top: 88%; }
.layout-key { list-style: none; padding: 0; margin: 0; }
.layout-key li { display: flex; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.layout-key li:first-child { padding-top: 0; }
.layout-key li:last-child { padding-bottom: 0; border: 0; }
.key-number { display: grid; place-items: center; flex: 0 0 28px; height: 28px; border-radius: 50%; background: var(--blue); color: white; font-size: 14px; font-weight: 700; }
.layout-key h3 { font-size: 19px; margin-bottom: 5px; }
.layout-key p { font-size: 15px; line-height: 1.5; color: var(--muted); }
.control-section { background: #eaf1f5; }
.control-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; }
.control-grid > * { min-width: 0; }
.control-photo img { width: 100%; border-radius: 3px; }
.control-list { margin: 0; }
.control-list > div { border-top: 1px solid #c7d6e0; padding: 18px 0; }
.control-list dt { font-size: 20px; font-weight: 700; margin-bottom: 5px; }
.control-list dd { color: var(--muted); font-size: 16px; }
.continuous-transfer { border-left: 3px solid var(--blue); padding: 0 0 0 20px; margin-top: 14px; }
.continuous-transfer h3 { font-size: 21px; margin-bottom: 10px; }
.continuous-transfer p { font-size: 16px; color: var(--muted); }
.process-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; background: white; border: 1px solid var(--line); padding: 32px 40px; margin-top: 36px; }
.process-panel h3 { font-size: 30px; margin-bottom: 18px; }
.process-copy > p:not(.eyebrow) { color: var(--muted); font-size: 16px; }
.process-flow { text-align: center; padding: 0; line-height: 1.35; }
.flow-input { font-size: 16px; }
.flow-arrow { display: block; color: var(--blue); padding: 6px 0; font-size: 22px; line-height: 1; }
.flow-vessel, .flow-output { background: var(--navy); color: white; padding: 12px; font-weight: 700; }
.flow-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.flow-paths > div { border: 1px solid #a9c4d5; padding: 12px 8px; background: #f1f6f8; }
.flow-paths small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .1em; margin-bottom: 5px; }
.flow-paths strong { font-size: 18px; }
.process-panel .process-note { font-size: 13px !important; line-height: 1.5; margin-top: 10px; }
.featured { background: white; border: 1px solid var(--line); padding: 34px; }
.featured-head { margin-bottom: 28px; }
.featured-head h3 { font-size: 35px; max-width: 850px; }
.tarim-lead { display: grid; grid-template-columns: 1.38fr 1fr; gap: 32px; align-items: start; }
.tarim-lead p { font-size: 17px; color: var(--muted); }
.tarim-lead img { border-radius: 2px; }
.meta { display: block; color: var(--ink); font-size: 13px; font-weight: bold; margin-bottom: 14px; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 30px 0 32px; padding: 22px 0; gap: 28px; }
.timeline > div + div { border-left: 1px solid var(--line); padding-left: 28px; }
.timeline dt { font-size: 28px; font-weight: 700; color: var(--blue); line-height: 1.15; margin-bottom: 9px; }
.timeline dd { font-size: 15px; line-height: 1.5; color: var(--muted); }
.gallery-title { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.gallery-title h4 { font-size: 22px; }
.gallery-title p { font-size: 13px; color: var(--muted); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #edf1f3; }
.gallery figcaption { font-size: 15px; }
.gallery figcaption strong { font-size: 18px; }
.other-head { margin: 64px 0 30px; }
.other-head p { margin-top: 14px; color: var(--muted); max-width: 780px; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.case-card { background: white; border: 1px solid var(--line); }
.case-card .image-stage { height: 340px; display: grid; place-items: center; background: #e9eff2; }
.image-stage img { width: 100%; height: 100%; max-height: 340px; object-fit: cover; object-position: center 58%; }
.case-card .copy { padding: 26px 28px 30px; }
.case-card .eyebrow { margin-bottom: 10px; }
.case-card h3 { font-size: 27px; margin-bottom: 16px; }
.case-card p { color: var(--muted); }
.case-card p strong { color: var(--ink); }
.project-benefits { margin-top: 22px; border-left: 3px solid var(--blue); padding-left: 16px; }
.project-benefits h4 { font-size: 18px; margin-bottom: 9px; }
.project-benefits p { font-size: 15px; line-height: 1.6; }
.specs { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 23px; border-top: 1px solid var(--line); padding-top: 18px; }
.specs div { font-size: 13px; color: var(--muted); }
.specs b { display: block; font-size: 20px; color: var(--blue); line-height: 1.3; }
.more-sites { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 28px; }
.more-sites figure { background: white; border: 1px solid var(--line); }
.more-sites img { aspect-ratio: 4/3; width: 100%; object-fit: cover; background: #e9eff2; }
.more-sites figcaption { padding: 8px 28px 24px; font-size: 16px; }
.relocation-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; margin-bottom: 42px; }
.relocation-grid > * { min-width: 0; }
.relocation-grid img { width: 100%; border-radius: 3px; }
.relocation-copy h3 { font-size: 32px; margin-bottom: 20px; }
.relocation-copy > p:not(.eyebrow) { font-size: 17px; color: var(--muted); }
.relocation-points { margin-top: 24px; }
.relocation-points > div { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 17px; }
.relocation-points dt { font-size: 19px; font-weight: 700; margin-bottom: 6px; }
.relocation-points dd { color: var(--muted); font-size: 16px; }
.interfaces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin: 42px 0; }
.interfaces article { border-top: 1px solid var(--line); padding-top: 20px; }
.item-index { display: block; color: var(--blue); font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.interfaces h3 { font-size: 23px; margin-bottom: 13px; }
.interfaces p { color: var(--muted); font-size: 16px; }
.construction-options { border-top: 1px solid var(--line); padding-top: 28px; margin: 0 0 38px; }
.construction-options > h3 { font-size: 26px; margin-bottom: 24px; }
.construction-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.construction-grid article { display: flex; flex-direction: column; align-items: start; }
.construction-grid h4 { font-size: 21px; margin-bottom: 11px; }
.construction-grid p { color: var(--muted); font-size: 16px; margin-bottom: 15px; }
.construction-grid .text-link { font-size: 15px; margin-top: auto; }
.proposal { border: 1px solid var(--line); padding: 34px; }
.proposal-heading { display: flex; justify-content: space-between; align-items: start; gap: 36px; margin-bottom: 30px; }
.proposal-heading h3 { font-size: 28px; max-width: 510px; }
.proposal-heading p { color: var(--muted); max-width: 350px; font-size: 16px; }
.proposal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.proposal-grid h4 { font-size: 21px; }
.proposal-grid ul { margin: 17px 0 0; padding-left: 20px; font-size: 16px; color: var(--muted); }
.proposal-grid li { padding-left: 5px; margin-bottom: 10px; }
.proposal-action { margin-top: 25px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 36px; }
.proposal-action p { max-width: 680px; color: var(--muted); font-size: 16px; }
.proposal-action .button { margin: 0; flex-shrink: 0; }
.faq-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 76px; align-items: start; }
.faq-intro h2 { margin-bottom: 30px; }
.faq-intro img { width: 100%; border-radius: 3px; }
.faq-list { border-top: 1px solid #bdceda; }
.faq-list details { padding: 22px 0; border-bottom: 1px solid #bdceda; }
.faq-list summary { display: flex; justify-content: space-between; align-items: start; gap: 25px; cursor: pointer; list-style: none; font-size: 20px; line-height: 1.45; font-weight: 700; letter-spacing: -.015em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; color: var(--blue); font-size: 25px; font-weight: 400; line-height: 1.15; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin-top: 16px; padding-right: 20px; font-size: 16px; color: var(--muted); }
.next { background: var(--navy); color: white; }
.next .wrap { padding-top: 40px; padding-bottom: 40px; display: flex; gap: 40px; justify-content: space-between; align-items: center; }
.next h3 { font-size: 27px; }
.next p { color: #d4e2eb; font-size: 16px; margin-top: 12px; max-width: 720px; }
.next .eyebrow { color: #85cbfa; font-size: 12px; }
.next .button { margin: 0; flex-shrink: 0; background: white; color: var(--ink); }
:focus-visible { outline: 3px solid #ef9b30; outline-offset: 4px; }
dialog { border: 0; padding: 0; max-width: min(1300px,94vw); max-height: 92vh; background: white; color: var(--ink); border-radius: 4px; box-shadow: 0 24px 80px #0006; }
dialog::backdrop { background: #081b2bd9; }
dialog img { max-height: 78vh; width: auto; max-width: 100%; margin: auto; object-fit: contain; }
dialog .dialog-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 16px 20px; font-size: 14px; }
dialog button { padding: 10px 17px; cursor: pointer; background: var(--navy); border: 0; border-radius: 2px; color: white; flex-shrink: 0; }
@media (max-width:1100px) {
  .scope-grid, .control-grid { gap: 32px; }
  .scope-items { gap: 23px; }
  .faq-grid { gap: 40px; }
}
@media (max-width:1000px) {
  .wrap, .sj-wrap { width: calc(100% - 56px); }
  .hero-grid { gap: 30px; }
  .hero h1 { font-size: 43px; }
  .hero .intro { font-size: 17px; }
  .section-head { display: block; }
  .section-head .intro { margin-top: 18px; max-width: 720px; }
  .scope-grid { grid-template-columns: 1fr; }
  .scope-grid figure { max-width: 680px; }
  .layout-heading { display: block; }
  .layout-heading p { margin-top: 14px; max-width: 680px; }
  .layout-grid { grid-template-columns: 1fr; gap: 28px; }
  .layout-key { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; }
  .layout-key li, .layout-key li:first-child, .layout-key li:last-child { padding: 16px 0 0; border: 0; border-top: 1px solid var(--line); }
  .relocation-grid { grid-template-columns: 1fr; gap: 28px; }
  .relocation-copy h3 { font-size: 28px; }
  .relocation-copy > p:not(.eyebrow) { font-size: 16px; }
  .relocation-points { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 8px; }
  .control-grid { grid-template-columns: 1fr 1fr; }
  .control-grid h2 { font-size: 34px; }
  .process-panel { padding: 25px; gap: 32px; }
  .tarim-lead { grid-template-columns: 1fr; }
  .featured { padding: 26px; }
  .gallery { gap: 18px; }
  .gallery-title { align-items: start; }
  .gallery-title p { max-width: 240px; }
  .case-card .image-stage { height: 270px; }
  .image-stage img { max-height: 270px; }
  .proposal-heading { display: block; }
  .proposal-heading p { max-width: none; margin-top: 15px; }
  .proposal-grid { gap: 32px; }
  .proposal-action { align-items: start; flex-direction: column; gap: 20px; }
  .faq-grid { grid-template-columns: .9fr 1.1fr; }
  .next .wrap { align-items: start; flex-direction: column; gap: 24px; }
}
@media (max-width:700px) {
  .wrap, .sj-wrap { width: calc(100% - 36px); }
  .hero { padding: 32px 0; }
  .hero-grid { display: flex; flex-direction: column; gap: 30px; align-items: stretch; }
  .hero h1 { font-size: 39px; margin-bottom: 18px; }
  .hero figure { width: 100%; }
  .button { margin-top: 22px; }
  .benefits { grid-template-columns: 1fr; gap: 22px; padding: 26px 0 32px; }
  .benefits article + article { border-top: 1px solid var(--line); padding-top: 22px; }
  .benefits h3 { font-size: 21px; margin-bottom: 8px; }
  .section { padding: 42px 0; }
  .section-head { margin-bottom: 28px; }
  .section-head h2, .control-grid h2 { font-size: 33px; }
  .section-head .intro, .control-grid .intro { font-size: 16px; }
  .scope-items { gap: 25px; }
  .scope-items h3 { font-size: 20px; }
  .layout-section { padding-top: 36px; }
  .layout-heading { margin-bottom: 24px; }
  .layout-heading h2 { font-size: 30px; }
  .layout-grid { grid-template-columns: 1fr; gap: 25px; }
  .layout-marker { width: 24px; height: 24px; font-size: 12px; }
  .layout-key { display: block; }
  .layout-key li, .layout-key li:first-child, .layout-key li:last-child { padding: 14px 0; border-top: 0; border-bottom: 1px solid var(--line); }
  .layout-key li:first-child { padding-top: 0; }
  .layout-key li:last-child { padding-bottom: 0; border-bottom: 0; }
  .relocation-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 30px; }
  .relocation-copy h3 { font-size: 29px; margin-bottom: 17px; }
  .relocation-points { display: block; margin-top: 24px; }
  .control-grid { grid-template-columns: 1fr; gap: 25px; }
  .control-photo { max-width: 680px; }
  .continuous-transfer { margin-top: 10px; }
  .process-panel { grid-template-columns: 1fr; padding: 23px; gap: 24px; margin-top: 28px; }
  .process-panel h3 { font-size: 29px; }
  .featured { padding: 0; border: 0; background: transparent; }
  .featured-head { margin-bottom: 22px; }
  .featured-head h3 { font-size: 29px; }
  .tarim-lead { gap: 22px; }
  .tarim-lead p { font-size: 16px; }
  .timeline { gap: 12px; margin: 25px 0; padding: 20px 0; }
  .timeline > div + div { padding-left: 12px; }
  .timeline dt { font-size: 23px; }
  .timeline dd { font-size: 13px; }
  .gallery-title { display: block; margin-bottom: 22px; }
  .gallery-title p { margin-top: 6px; max-width: none; }
  .gallery { grid-template-columns: 1fr; gap: 28px; }
  .gallery figcaption strong { font-size: 19px; }
  .photo-link::after { opacity: 1; width: 28px; height: 28px; right: 8px; bottom: 8px; }
  .other-head { margin: 40px 0 24px; }
  .other-head h3 { font-size: 29px; }
  .other-head p { font-size: 16px; }
  .case-grid, .more-sites { grid-template-columns: 1fr; gap: 24px; }
  .case-card .image-stage { height: auto; min-height: 0; aspect-ratio: 4/3; }
  .image-stage img { max-height: none; }
  .case-card .copy { padding: 23px 20px; }
  .case-card h3 { font-size: 25px; }
  .case-card p { font-size: 16px; }
  .specs { gap: 16px; }
  .specs b { font-size: 18px; }
  .more-sites figcaption { padding: 4px 20px 22px; }
  .interfaces { grid-template-columns: 1fr; gap: 24px; margin: 30px 0; }
  .interfaces article { position: relative; padding-left: 39px; }
  .item-index { position: absolute; left: 0; top: 22px; }
  .interfaces h3 { font-size: 22px; }
  .construction-options { margin-bottom: 30px; padding-top: 24px; }
  .construction-options > h3 { font-size: 25px; }
  .construction-grid { grid-template-columns: 1fr; gap: 24px; }
  .construction-grid article + article { border-top: 1px solid var(--line); padding-top: 24px; }
  .proposal { padding: 24px 20px; }
  .proposal-grid { grid-template-columns: 1fr; gap: 25px; }
  .proposal-heading h3 { font-size: 27px; }
  .proposal-heading { margin-bottom: 25px; }
  .proposal-action { gap: 22px; }
  .faq-grid { grid-template-columns: 1fr; gap: 30px; }
  .faq-list summary { font-size: 19px; gap: 20px; }
  .faq-list details { padding: 20px 0; }
  .faq-list details p { padding-right: 0; }
  .next .wrap { padding-top: 32px; padding-bottom: 32px; }
  .next h3 { font-size: 28px; }
  dialog .dialog-bottom { align-items: start; padding: 12px; gap: 12px; font-size: 12px; }
  dialog button { padding: 9px 12px; }
}
@media (max-width:420px) {
  .scope-items { grid-template-columns: 1fr; gap: 21px; }
  .scope-items p { max-width: 380px; }
  .process-panel { padding: 20px; }
}