*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:var(--font-body);font-size:16px;line-height:1.75;color:var(--graphite);background:var(--paper);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img,picture,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
:root{
  --blue-deep:#0B3B5C;
  --blue-ink:#062A42;
  --orange:#F26A21;
  --orange-peach:#FFD9C2;
  --green-celadon:#2E8B7A;
  --gold:#E6C377;
  --paper:#F7F4EE;
  --mist-blue:#DCE9F1;
  --graphite:#2B3138;
  --coral:#FF8A6B;
  --white:#FFFFFF;
  --font-heading:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-sm:12px;
  --radius-md:20px;
  --radius-lg:28px;
  --radius-xl:36px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
  --content:1200px;
  --line:rgba(230,195,119,.45);
  --shadow-soft:0 18px 50px rgba(6,42,66,.10);
  --shadow-card:0 14px 34px rgba(6,42,66,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
h1,h2,h3,h4{font-family:var(--font-heading);font-weight:800;letter-spacing:-.02em;color:var(--blue-deep)}
h1{font-size:clamp(2.5rem,6vw,3.5rem);line-height:1.05}
h2{font-size:clamp(1.75rem,3vw,2.25rem);line-height:1.15}
h3{font-size:1.25rem;line-height:1.35}
p{max-width:72ch}
.eyebrow{font-size:.8125rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green-celadon);font-weight:700}
.lead{font-size:1.125rem;line-height:1.9;color:rgba(43,49,56,.85)}
.page-shell{width:min(100% - 32px,var(--content));margin-inline:auto}
.content-container{width:min(100% - 32px,920px);margin-inline:auto}
.section{padding-block:clamp(56px,10vw,112px)}
.section--deep{background:linear-gradient(180deg,var(--blue-deep),var(--blue-ink));color:var(--paper)}
.section--mist{background:linear-gradient(135deg,rgba(220,233,241,.8),rgba(247,244,238,.9))}
.section--warm{background:linear-gradient(135deg,rgba(255,217,194,.55),rgba(247,244,238,.95))}
.section--deep h2,.section--deep h3{color:var(--paper)}
.section--deep p{color:rgba(247,244,238,.82)}
.grid{display:grid;gap:var(--space-3)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:rgba(255,255,255,.72);border:1px solid rgba(230,195,119,.38);border-radius:var(--radius-lg);padding:var(--space-3);box-shadow:var(--shadow-card);transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:0 20px 40px rgba(6,42,66,.14)}
.card--old{background:linear-gradient(135deg,rgba(220,233,241,.86),rgba(247,244,238,.92));border-style:dashed;transform:translateX(-8px)}
.card--new{background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(220,233,241,.55));transform:translateX(8px)}
.section-heading{display:flex;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-4)}
.section-number{font-size:clamp(3rem,7vw,4.5rem);line-height:.9;font-weight:900;color:var(--orange);letter-spacing:-.04em;font-family:var(--font-heading)}
.section-heading__body{padding-top:6px}
.section-heading h2{margin-bottom:6px}
.section-heading p{color:rgba(43,49,56,.72)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 20px;border-radius:999px;border:2px solid transparent;font-weight:700;font-size:.95rem;line-height:1;cursor:pointer;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease)}
.button--primary{background:var(--orange);color:var(--blue-ink);border-color:var(--orange)}
.button--primary:hover{background:var(--coral);border-color:var(--coral)}
.button--ghost{background:transparent;color:var(--blue-deep);border-color:rgba(11,59,92,.28)}
.button--ghost:hover{background:rgba(220,233,241,.8);border-color:var(--blue-deep)}
.button--compact{min-height:38px;padding:9px 14px;font-size:.875rem}
.button--on-deep{background:var(--gold);color:var(--blue-ink);border-color:var(--gold)}
.button--on-deep:hover{background:var(--orange);border-color:var(--orange)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.8125rem;font-weight:700;line-height:1.4}
.tag--orange{background:var(--orange-peach);color:var(--blue-ink);border:1px solid rgba(242,106,33,.35)}
.tag--green{background:rgba(46,139,122,.14);color:var(--green-celadon);border:1px solid rgba(46,139,122,.35)}
.tag--gold{background:rgba(230,195,119,.22);color:var(--blue-deep);border:1px solid rgba(230,195,119,.55)}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:rgba(43,49,56,.68);padding-block:16px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs a{color:var(--blue-deep);font-weight:600}
.breadcrumbs a:hover{color:var(--orange)}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--gold)}
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid rgba(230,195,119,.45);background:rgba(255,255,255,.6)}
.table{width:100%;border-collapse:collapse;min-width:640px}
.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(220,233,241,.8);vertical-align:top}
.table thead th{background:var(--green-celadon);color:var(--white);font-weight:700}
.table tbody tr:nth-child(even){background:rgba(220,233,241,.48)}
.table tbody tr:last-child td{border-bottom:0}
.table .key-diff{background:rgba(46,139,122,.18);color:var(--blue-deep);font-weight:700}
.image-frame{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(11,59,92,.12),rgba(46,139,122,.10));border:1px solid rgba(230,195,119,.35)}
.image-frame img{width:100%;height:100%;object-fit:cover}
.image-frame--wide{aspect-ratio:16/9}
.image-frame--square{aspect-ratio:1/1}
.image-frame--portrait{aspect-ratio:3/4}
.image-frame--city{aspect-ratio:21/9}
.image-frame__label{position:absolute;left:16px;bottom:16px;background:rgba(6,42,66,.78);color:var(--paper);padding:6px 10px;border-radius:999px;font-size:.8125rem;font-weight:700}
.js [data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.js [data-reveal].is-revealed{opacity:1;transform:translateY(0)}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
.site-header{position:sticky;top:0;z-index:100;background:linear-gradient(180deg,rgba(247,244,238,.96),rgba(220,233,241,.82));border-bottom:1px solid rgba(230,195,119,.55);backdrop-filter:blur(14px)}
.header-shell{position:relative;width:min(100% - 24px,1240px);margin-inline:auto;padding:10px 0 14px}
.header-utility{display:flex;align-items:center;gap:16px;min-height:54px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:16px 16px 16px 4px;background:var(--blue-deep);color:var(--orange);font-family:var(--font-heading);font-weight:900;font-size:1.1rem;letter-spacing:-.06em;box-shadow:0 10px 22px rgba(11,59,92,.22)}
.brand-text{display:flex;flex-direction:column}
.brand-name{font-family:var(--font-heading);font-weight:800;font-size:1.12rem;line-height:1.1;color:var(--blue-deep);letter-spacing:-.02em}
.brand-note{font-size:.75rem;color:var(--green-celadon);line-height:1.3}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none}
.site-nav{display:flex;align-items:center;gap:8px;margin-top:8px;padding:8px;border-radius:999px;background:rgba(11,59,92,.94);color:var(--paper);box-shadow:0 18px 40px rgba(6,42,66,.18);border:1px solid rgba(230,195,119,.35);transition:padding .24s var(--ease),margin .24s var(--ease),background-color .24s var(--ease)}
.site-header.is-scrolled .site-nav{padding:6px 8px;margin-top:2px;background:rgba(6,42,66,.97)}
.site-nav__brand{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;font-weight:800;color:var(--gold);letter-spacing:-.02em}
.site-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.site-nav__list a{display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;color:rgba(247,244,238,.88);font-weight:600;font-size:.92rem;transition:background-color .18s var(--ease),color .18s var(--ease)}
.site-nav__list a:hover{background:rgba(242,106,33,.18);color:var(--white)}
.site-nav__list a[aria-current="page"]{background:var(--orange);color:var(--blue-ink);font-weight:800}
.site-nav__quick{display:none}
.skip-link{position:absolute;left:16px;top:8px;transform:translateY(-160%);z-index:999;background:var(--orange);color:var(--blue-ink);padding:10px 16px;border-radius:999px;font-weight:800;transition:transform .18s var(--ease)}
.skip-link:focus{transform:translateY(0)}
.site-footer{background:linear-gradient(180deg,var(--blue-deep),var(--blue-ink));color:rgba(247,244,238,.86);border-top:3px solid var(--gold);padding-block:clamp(40px,7vw,72px) 20px}
.footer-shell{width:min(100% - 32px,var(--content));margin-inline:auto}
.footer-top{display:grid;grid-template-columns:1.1fr 2fr 1fr;gap:var(--space-4)}
.footer-brand{display:flex;flex-direction:column}
.footer-brand__mark{display:inline-flex;font-family:var(--font-heading);font-weight:900;font-size:1.6rem;color:var(--gold);letter-spacing:-.03em}
.footer-brand__note{margin-top:8px;color:rgba(247,244,238,.66);font-size:.9rem;max-width:24ch}
.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-3)}
.footer-col h2{font-size:.95rem;color:var(--gold);margin-bottom:12px;letter-spacing:.04em}
.footer-col a{display:inline-flex;padding:4px 0;color:rgba(247,244,238,.82);font-size:.92rem}
.footer-col a:hover{color:var(--orange)}
.footer-contact h2{font-size:.95rem;color:var(--gold);margin-bottom:12px}
.footer-contact p{margin-bottom:6px;font-size:.9rem;color:rgba(247,244,238,.8)}
.footer-contact__note{color:rgba(247,244,238,.58)}
.footer-bottom{margin-top:var(--space-5);padding-top:18px;border-top:1px solid rgba(230,195,119,.28);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.8rem;color:rgba(247,244,238,.56)}
.footer-bottom p{max-width:78ch}
@media (max-width:1060px){
  .header-actions .button--ghost{display:none}
  .header-actions .button--primary{padding:8px 12px;font-size:.82rem}
}
@media (max-width:960px){
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:1/-1}
}
@media (max-width:900px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .card--old,.card--new{transform:none}
}
@media (max-width:820px){
  .nav-toggle{display:inline-flex;align-items:center;gap:8px;margin-left:auto;min-height:44px;padding:8px 12px;border-radius:999px;border:1px solid rgba(11,59,92,.22);background:rgba(255,255,255,.72);color:var(--blue-deep);cursor:pointer}
  .nav-toggle__line{display:block;width:16px;height:2px;background:var(--blue-deep);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .nav-toggle__text{font-size:.82rem;font-weight:700}
  .site-header.is-nav-open .nav-toggle .nav-toggle__line:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .site-header.is-nav-open .nav-toggle .nav-toggle__line:nth-child(2){opacity:0}
  .site-header.is-nav-open .nav-toggle .nav-toggle__line:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .site-nav{display:none;position:absolute;left:12px;right:12px;top:calc(100% + 6px);flex-direction:column;align-items:stretch;gap:10px;padding:14px;border-radius:28px;background:rgba(6,42,66,.98);box-shadow:0 24px 60px rgba(6,42,66,.28)}
  .site-nav[data-open="true"]{display:flex}
  .site-nav__brand{display:none}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:4px}
  .site-nav__list a{justify-content:space-between;padding:12px 14px;font-size:1rem}
  .site-nav__quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:8px;border-top:1px solid rgba(230,195,119,.28)}
  .site-nav__quick a{display:inline-flex;justify-content:center;padding:10px;border-radius:999px;background:var(--orange);color:var(--blue-ink);font-weight:800}
  .site-nav__quick a:last-child{background:var(--green-celadon);color:var(--white)}
}
@media (max-width:640px){
  .footer-top{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .brand-note{display:none}
  .header-actions .button--primary{padding:8px 10px;font-size:.78rem}
  .brand-mark{width:38px;height:38px;border-radius:14px 14px 14px 3px}
  .brand-name{font-size:1rem}
  .header-shell{padding-top:8px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1 !important;transform:none !important;transition:none !important}
}