/* =========================================================
   常用高分辨率遥感卫星介绍 / High-Resolution Satellite Guide
   Beijing Yijingtu · 2026
   ========================================================= */

:root {
  --green: #6AB427;
  --green-bright: #8ED04A;
  --green-dark: #4C8C18;
  --green-deep: #2F5C13;
  --green-soft: #F3FAEC;
  --green-mist: #E4F2D7;
  --green-line: rgba(106, 180, 39, .24);
  --ink: #17211A;
  --ink-2: #2C3A30;
  --muted: #66756A;
  --muted-2: #87948B;
  --line: #E2EADB;
  --line-strong: #CDDAC4;
  --white: #FFFFFF;
  --paper: #FBFDF8;
  --shadow: 0 22px 60px rgba(47, 92, 19, .10);
  --shadow-soft: 0 10px 30px rgba(47, 92, 19, .07);
  --radius: 20px;
  --radius-sm: 14px;
  --container: 1240px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 84% 4%, rgba(106, 180, 39, .075), transparent 28%),
    radial-gradient(circle at 4% 38%, rgba(106, 180, 39, .055), transparent 22%),
    radial-gradient(circle at 70% 92%, rgba(106, 180, 39, .045), transparent 26%);
}

::selection {
  background: rgba(106, 180, 39, .24);
  color: var(--green-deep);
}

a {
  color: var(--green-dark);
  text-decoration: none;
  transition: color .25s ease, opacity .25s ease;
}

a:hover { color: var(--green); }

img { max-width: 100%; }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

button {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, p, figure { margin-top: 0; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  position: relative;
}

/* =========================================================
   Space scenery
   ========================================================= */

.space-scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.space-grid {
  position: absolute;
  inset: 0;
  opacity: .62;
  background-image:
    linear-gradient(rgba(106, 180, 39, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 180, 39, .045) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .42) 55%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .42) 55%, transparent 88%);
}

.space-stars {
  position: absolute;
  inset: 0;
  opacity: .36;
  background-image:
    radial-gradient(circle, rgba(106, 180, 39, .9) 0 1px, transparent 1.6px),
    radial-gradient(circle, rgba(106, 180, 39, .55) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(76, 140, 24, .35) 0 1px, transparent 1.4px);
  background-size: 173px 173px, 241px 241px, 307px 307px;
  background-position: 12px 28px, 88px 130px, 40px 210px;
  -webkit-mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .55) 50%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .55) 50%, transparent 92%);
}

.orbit {
  position: absolute;
  border: 1px dashed rgba(106, 180, 39, .28);
  border-radius: 50%;
  transform-origin: center;
}

.orbit::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  box-shadow: 0 0 34px rgba(106, 180, 39, .06) inset;
}

.orbit-a {
  width: 820px;
  height: 320px;
  top: 72px;
  right: -240px;
  transform: rotate(-17deg);
}

.orbit-b {
  width: 560px;
  height: 220px;
  top: 39%;
  left: -230px;
  transform: rotate(16deg);
  opacity: .8;
}

.orbit-c {
  width: 980px;
  height: 390px;
  bottom: 40px;
  right: -330px;
  transform: rotate(9deg);
  opacity: .7;
}

.orbit-runner {
  position: absolute;
  inset: -1px;
  animation: orbitSpin 32s linear infinite;
}

.orbit-b .orbit-runner { animation-duration: 26s; animation-direction: reverse; }
.orbit-c .orbit-runner { animation-duration: 42s; }

.orbit-sat {
  position: absolute;
  top: -15px;
  left: 50%;
  display: block;
  width: 48px;
  height: 32px;
  transform: translateX(-50%);
  filter: drop-shadow(0 4px 8px rgba(47, 92, 19, .14));
}

.orbit-sat svg {
  display: block;
  width: 100%;
  height: 100%;
  animation: orbitSpinReverse 32s linear infinite;
}

.orbit-b .orbit-sat svg { animation-duration: 26s; animation-direction: normal; }
.orbit-c .orbit-sat svg { animation-duration: 42s; }

.orbit-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(106, 180, 39, .10);
}

.orbit-dot-1 { top: 50%; right: -3px; }
.orbit-dot-2 { bottom: 12%; left: 16%; width: 4px; height: 4px; opacity: .7; }

.earth-arc {
  position: fixed;
  left: -320px;
  bottom: -330px;
  width: 760px;
  height: 760px;
  opacity: .48;
  z-index: 0;
}

.rocket-wrap {
  position: fixed;
  right: 3.2vw;
  bottom: 11vh;
  width: 58px;
  height: 142px;
  opacity: .45;
  z-index: 0;
  animation: rocketFloat 7s ease-in-out infinite;
  filter: drop-shadow(0 12px 22px rgba(47, 92, 19, .12));
}

.rocket-wrap svg { width: 100%; height: 100%; overflow: visible; }

.rocket-flame {
  transform-origin: 50% 0%;
  animation: flameFlicker .18s linear infinite alternate;
}

@keyframes orbitSpin {
  to { transform: rotate(360deg); }
}

@keyframes orbitSpinReverse {
  to { transform: rotate(-360deg); }
}

@keyframes rocketFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-14px) rotate(2deg); }
}

@keyframes flameFlicker {
  from { transform: scaleY(.82) scaleX(.92); opacity: .72; }
  to { transform: scaleY(1.08) scaleX(1.02); opacity: 1; }
}

/* =========================================================
   Header / breadcrumb
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .38s var(--ease), box-shadow .3s ease;
  will-change: transform;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: .55;
}

.site-header.nav-hidden {
  transform: translateY(-112%);
  box-shadow: none;
}

.nav-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  flex: 0 0 auto;
}

.brand:hover { color: var(--ink); }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--green-bright), var(--green-dark));
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -.4px;
  box-shadow: 0 8px 18px rgba(106, 180, 39, .28);
  position: relative;
  overflow: hidden;
}

.brand-mark::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 1px;
  background: rgba(255, 255, 255, .45);
  transform: rotate(-35deg);
  top: 9px;
  left: 8px;
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
}

.brand-text em {
  font-style: normal;
  color: var(--green-dark);
  position: relative;
  padding: 0 2px;
}

.brand-text em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green), transparent);
  opacity: .65;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  font-size: 13.5px;
  color: var(--muted-2);
  white-space: nowrap;
}

.breadcrumb a {
  color: var(--muted);
  padding: 4px 2px;
}

.breadcrumb a:hover { color: var(--green-dark); }

.breadcrumb .sep {
  color: var(--green);
  font-size: 15px;
  opacity: .7;
}

.breadcrumb .current {
  position: relative;
  color: var(--ink);
  font-weight: 700;
}

.breadcrumb .current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 99px;
  background: var(--green);
}

.lang-switch {
  margin-left: 8px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--green-deep) !important;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  background: #fff;
}

.lang-switch:hover {
  border-color: var(--green);
  background: var(--green-soft);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  z-index: 2;
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 58px;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--green-dark);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 7px 12px;
  border: 1px solid var(--green-line);
  border-radius: 999px;
  background: rgba(243, 250, 236, .8);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(106, 180, 39, .45);
  animation: pulseDot 2.2s infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(106, 180, 39, .45); }
  70% { box-shadow: 0 0 0 9px rgba(106, 180, 39, 0); }
  100% { box-shadow: 0 0 0 0 rgba(106, 180, 39, 0); }
}

.hero h1 {
  margin: 20px 0 18px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.12;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--ink);
}

html[lang="en"] .hero h1 {
  font-size: clamp(32px, 3.6vw, 50px);
  letter-spacing: -.04em;
}

.title-icon {
  display: inline-grid;
  place-items: center;
  width: 1.15em;
  height: 1.15em;
  margin-right: .12em;
  font-size: .72em;
  vertical-align: .08em;
  border-radius: .28em;
  background: linear-gradient(145deg, var(--green-soft), #fff);
  border: 1px solid var(--green-mist);
  box-shadow: 0 8px 20px rgba(106, 180, 39, .12);
}

.lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.95;
}

.lead strong {
  color: var(--green-deep);
  font-weight: 800;
}

.meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px 12px;
  margin-top: 24px;
  color: var(--muted-2);
  font-size: 13px;
}

.meta-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-2);
  font-weight: 600;
}

.meta-divider {
  width: 1px;
  height: 14px;
  background: var(--line-strong);
}

.keyword-label {
  color: var(--muted-2);
  font-size: 12px;
  letter-spacing: .04em;
}

.keyword-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  border: 1px solid var(--green-mist);
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease;
}

.keyword-pill:hover {
  background: var(--green-mist);
  color: var(--green-deep);
  transform: translateY(-1px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
}

.btn .arrow {
  font-size: 16px;
  line-height: 1;
  transition: transform .25s ease;
}

.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--green), #5CA31C);
  box-shadow: 0 12px 26px rgba(106, 180, 39, .28);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(106, 180, 39, .34);
}

.btn-ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  color: var(--green-deep);
  border-color: var(--green);
  background: var(--green-soft);
  transform: translateY(-2px);
}

/* Hero visual */

.hero-visual {
  position: relative;
  min-width: 0;
  perspective: 1300px;
}

.hero-orbit {
  position: absolute;
  width: 118%;
  height: 86%;
  top: -7%;
  left: -9%;
  border: 1px dashed rgba(106, 180, 39, .38);
  border-radius: 50%;
  transform: rotate(-9deg);
  pointer-events: none;
}

.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(106, 180, 39, .10);
}

.hero-orbit::before {
  width: 7px;
  height: 7px;
  top: 13%;
  right: 9%;
}

.hero-orbit::after {
  width: 5px;
  height: 5px;
  bottom: 8%;
  left: 18%;
  opacity: .65;
}

.hero-frame {
  position: relative;
  margin: 0;
  z-index: 2;
  border: 1px solid rgba(106, 180, 39, .22);
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 26px 70px rgba(47, 92, 19, .16);
  transform: rotateY(-3deg) rotateX(1deg);
  transform-style: preserve-3d;
  transition: transform .6s var(--ease), box-shadow .6s ease;
}

.hero-frame:hover {
  transform: rotateY(0) rotateX(0) translateY(-5px);
  box-shadow: 0 34px 90px rgba(47, 92, 19, .20);
}

.hero-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.03);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 24, 12, .18), transparent 26%, transparent 70%, rgba(10, 24, 12, .30)),
    linear-gradient(90deg, rgba(106, 180, 39, .12), transparent 20%);
  pointer-events: none;
}

.scan-line {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(142, 208, 74, .95), transparent);
  box-shadow: 0 0 16px rgba(106, 180, 39, .55);
  animation: scanMove 5.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes scanMove {
  0%, 100% { transform: translateY(0); opacity: 0; }
  8% { opacity: .9; }
  50% { transform: translateY(360px); opacity: .75; }
  92% { opacity: 0; }
}

.hud-corner {
  position: absolute;
  z-index: 4;
  width: 24px;
  height: 24px;
  border-color: rgba(255, 255, 255, .85);
  border-style: solid;
  pointer-events: none;
}

.hud-tl { top: 14px; left: 14px; border-width: 2px 0 0 2px; }
.hud-tr { top: 14px; right: 14px; border-width: 2px 2px 0 0; }
.hud-bl { bottom: 14px; left: 14px; border-width: 0 0 2px 2px; }
.hud-br { bottom: 14px; right: 14px; border-width: 0 2px 2px 0; }

.hero-badge {
  position: absolute;
  z-index: 4;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(255, 255, 255, .75);
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  box-shadow: 0 8px 24px rgba(10, 24, 12, .16);
}

.hero-badge .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulseDot 2s infinite;
}

.hero-stamp {
  position: absolute;
  z-index: 4;
  right: 20px;
  bottom: 18px;
  color: rgba(255, 255, 255, .94);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-align: right;
  line-height: 1.6;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .35);
}

.hero-float-card {
  position: absolute;
  z-index: 5;
  left: -22px;
  bottom: -24px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 15px;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  animation: floatCard 6s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

.float-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  border: 1px solid var(--green-mist);
  color: var(--green-dark);
}

.float-card-icon svg { width: 20px; height: 20px; }

.float-card-num {
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}

.float-card-label {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* =========================================================
   Stats strip
   ========================================================= */

.stats-strip {
  position: relative;
  z-index: 2;
  padding-top: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.stat {
  position: relative;
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 94px;
  padding: 20px 26px;
  background: rgba(255, 255, 255, .94);
}

.stat::before {
  content: "";
  width: 3px;
  height: 34px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--green-bright), var(--green-dark));
  flex: 0 0 auto;
}

.stat-num {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .02em;
}

/* =========================================================
   Article sections
   ========================================================= */

main { position: relative; z-index: 2; }

.section {
  position: relative;
  padding: 76px 0;
}

.section-tight { padding-top: 34px; }

.section-head {
  max-width: 790px;
  margin-bottom: 30px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--green-dark);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.section h2 {
  margin: 11px 0 13px;
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.23;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--ink);
}

.h-icon {
  display: inline-grid;
  place-items: center;
  width: 1.05em;
  height: 1.05em;
  margin-right: .1em;
  font-size: .8em;
  vertical-align: .04em;
  border-radius: .26em;
  background: var(--green-soft);
  border: 1px solid var(--green-mist);
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.section-head p strong { color: var(--green-deep); }

/* =========================================================
   Table
   ========================================================= */

.table-card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: linear-gradient(90deg, var(--green-soft), #fff 68%);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
}

.table-toolbar .toolbar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--green-deep);
  font-weight: 800;
  letter-spacing: .03em;
}

.table-toolbar .toolbar-title span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(106, 180, 39, .12);
}

.table-toolbar .toolbar-note {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--muted-2);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sat-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  text-align: left;
}

.sat-table thead th {
  padding: 15px 20px;
  background: var(--green-deep);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
}

.sat-table thead th:first-child { padding-left: 24px; }
.sat-table thead th:last-child { padding-right: 24px; }

.sat-table tbody td {
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 13.5px;
  vertical-align: top;
  transition: background .25s ease;
}

.sat-table tbody td:first-child { padding-left: 24px; }
.sat-table tbody td:last-child { padding-right: 24px; }

.sat-table tbody tr:last-child td { border-bottom: 0; }

.sat-table tbody tr:hover td { background: var(--green-soft); }

.sat-name {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

.sat-sub {
  display: block;
  margin-top: 3px;
  color: var(--muted-2);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .02em;
}

.sat-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  color: var(--ink-2);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.sat-date::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  opacity: .8;
}

.res-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  border: 1px solid var(--green-mist);
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.res-pill small {
  font-size: 10px;
  font-weight: 600;
  color: var(--green-dark);
  opacity: .8;
}

.country-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
}

.country-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--green);
  opacity: .7;
}

.sat-feature {
  max-width: 320px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 12.8px;
}

.table-note {
  padding: 14px 24px 16px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted-2);
  font-size: 12px;
  line-height: 1.8;
}

.table-note strong { color: var(--green-deep); }

/* Selection tips */

.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.tip-card {
  position: relative;
  padding: 18px 20px 18px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
  box-shadow: 0 8px 24px rgba(47, 92, 19, .04);
}

.tip-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 99px;
  background: var(--green);
}

.tip-card h4 {
  margin: 0 0 5px;
  font-size: 14px;
  color: var(--ink);
  font-weight: 800;
}

.tip-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.75;
}

/* =========================================================
   Chart
   ========================================================= */

.chart-card {
  position: relative;
  padding: 22px 24px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.chart-card::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  top: -210px;
  right: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106, 180, 39, .12), transparent 68%);
  pointer-events: none;
}

.chart-toolbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 12px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--green);
  background: #fff;
}

.legend-dot.solid { background: var(--green); }

.legend-line {
  width: 22px;
  height: 0;
  border-top: 2px dashed var(--green);
  opacity: .75;
}

.chart-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  border: 1px solid var(--green-mist);
  color: var(--green-deep);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
}

.chart-scroll {
  position: relative;
  z-index: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 2px 0 4px;
}

#satChart {
  min-width: 930px;
}

#satChart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.axis-line {
  stroke: var(--line-strong);
  stroke-width: 1;
}

.grid-line {
  stroke: #EDF3E8;
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.axis-label {
  fill: var(--muted);
  font-size: 11px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.axis-label.is-zero { fill: var(--green-dark); font-weight: 700; }

.axis-title {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.axis-title.accent { fill: var(--green-dark); }

.chart-zone {
  fill: rgba(106, 180, 39, .035);
}

.chart-frontier {
  stroke: rgba(106, 180, 39, .48);
  stroke-width: 1;
  stroke-dasharray: 5 7;
}

.chart-frontier-label {
  fill: var(--green-dark);
  font-size: 10px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-weight: 700;
  letter-spacing: .06em;
}

.chart-line {
  fill: none;
  stroke: var(--green);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 3px 5px rgba(106, 180, 39, .18));
  stroke-dasharray: 2200;
  stroke-dashoffset: 2200;
  transition: stroke-dashoffset 1.7s var(--ease);
}

#satChart.is-drawn .chart-line { stroke-dashoffset: 0; }

.chart-guide {
  stroke: rgba(106, 180, 39, .18);
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.chart-point {
  cursor: pointer;
  opacity: 0;
  transform: scale(.35);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity .4s ease, transform .55s var(--ease);
}

#satChart.is-drawn .chart-point {
  opacity: 1;
  transform: scale(1);
}

.chart-point .point-halo {
  fill: rgba(106, 180, 39, .13);
  transition: fill .2s ease, r .2s ease;
}

.chart-point .point-core {
  fill: #fff;
  stroke: var(--green);
  stroke-width: 2.6;
  transition: fill .2s ease, stroke .2s ease, r .2s ease;
}

.chart-point.is-frontier .point-core {
  fill: var(--green);
  stroke: var(--green-deep);
}

.chart-point:hover .point-halo,
.chart-point:focus .point-halo {
  fill: rgba(106, 180, 39, .24);
}

.chart-point:hover .point-core,
.chart-point:focus .point-core {
  fill: var(--green-bright);
  stroke: var(--green-deep);
}

.chart-point .point-label {
  fill: var(--ink-2);
  font-size: 10.5px;
  font-weight: 700;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 4px;
  stroke-linejoin: round;
  letter-spacing: .01em;
}

.chart-point.is-frontier .point-label { fill: var(--green-deep); }

.chart-point .point-value {
  fill: var(--muted-2);
  font-size: 9.5px;
  font-family: "SFMono-Regular", Consolas, monospace;
  paint-order: stroke;
  stroke: #fff;
  stroke-width: 3px;
}

.chart-tooltip {
  position: absolute;
  z-index: 8;
  width: max-content;
  max-width: 270px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 16px 44px rgba(47, 92, 19, .16);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(7px) scale(.98);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.chart-tooltip.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chart-tooltip .tt-name {
  display: block;
  color: var(--green-deep);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.4;
}

.chart-tooltip .tt-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  margin: 6px 0 8px;
  color: var(--muted);
  font-size: 10.5px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.chart-tooltip .tt-res {
  color: var(--green-dark);
  font-weight: 800;
}

.chart-tooltip .tt-feature {
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.65;
}

.chart-note {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 10px 2px 2px;
  color: var(--muted-2);
  font-size: 11.5px;
  line-height: 1.75;
}

.chart-note::before {
  content: "i";
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 1px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 900;
  font-family: Georgia, serif;
}

/* =========================================================
   Gallery
   ========================================================= */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 204px;
  gap: 14px;
}

.gallery-item {
  position: relative;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 17px;
  overflow: hidden;
  background: var(--green-soft);
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(47, 92, 19, .06);
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s var(--ease);
}

.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(2) { grid-column: span 2; }
.gallery-item:nth-child(5) { grid-column: span 2; }
.gallery-item:nth-child(6) { grid-column: span 2; }

.gallery-item:hover,
.gallery-item:focus-visible {
  border-color: var(--green);
  box-shadow: 0 18px 46px rgba(47, 92, 19, .14);
  transform: translateY(-3px);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.03) contrast(1.02);
  transition: transform .8s var(--ease), filter .4s ease;
}

.gallery-item:hover img {
  transform: scale(1.055);
  filter: saturate(1.1) contrast(1.04);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 20, 10, .04), transparent 40%, rgba(8, 20, 10, .72));
  pointer-events: none;
}

.gallery-badge {
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .93);
  color: var(--green-deep);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: .08em;
  box-shadow: 0 4px 12px rgba(10, 24, 12, .12);
}

.gallery-source {
  position: absolute;
  z-index: 3;
  top: 12px;
  right: 12px;
  color: rgba(255, 255, 255, .82);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  letter-spacing: .1em;
  text-shadow: 0 1px 6px rgba(0, 0, 0, .4);
}

.gallery-caption {
  position: absolute;
  z-index: 3;
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  color: #fff;
}

.gallery-caption strong {
  display: block;
  font-size: 13.5px;
  font-weight: 800;
  line-height: 1.45;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .35);
}

.gallery-caption span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, .76);
  font-size: 10.5px;
  letter-spacing: .03em;
}

.gallery-zoom {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
  font-size: 14px;
  backdrop-filter: blur(4px);
  transition: background .25s ease, transform .25s ease;
}

.gallery-item:hover .gallery-zoom {
  background: var(--green);
  border-color: var(--green);
  transform: scale(1.08);
}

.gallery-footnote {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 16px 2px 0;
  color: var(--muted-2);
  font-size: 11.5px;
  line-height: 1.75;
}

.gallery-footnote::before {
  content: "◎";
  color: var(--green);
  font-size: 12px;
  line-height: 1.6;
}

/* Lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(10, 20, 12, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  width: min(1180px, 96vw);
  transform: translateY(12px) scale(.985);
  transition: transform .35s var(--ease);
}

.lightbox.is-open .lightbox-inner { transform: translateY(0) scale(1); }

.lightbox img {
  display: block;
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 14px;
  background: #0b130d;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .45);
}

.lightbox-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
}

.lightbox-caption .lb-count {
  color: rgba(255, 255, 255, .55);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: .1em;
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  backdrop-filter: blur(6px);
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: var(--green);
  border-color: var(--green);
  transform: scale(1.06);
}

.lightbox-close { top: 22px; right: 26px; }
.lightbox-nav.prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.next { right: 22px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.prev:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-nav.next:hover { transform: translateY(-50%) scale(1.06); }

/* =========================================================
   Target recognition tabs
   ========================================================= */

.target-section {
  padding-top: 58px;
}

.target-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.target-title-row h3 {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.3;
  letter-spacing: -.03em;
  font-weight: 900;
}

.target-title-row p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.target-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.target-tab {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 52px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 800;
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.target-tab .tab-emoji {
  font-size: 22px;
  line-height: 1;
  filter: grayscale(.15);
  transition: transform .25s ease, filter .25s ease;
}

.target-tab:hover {
  border-color: var(--green);
  color: var(--green-deep);
  background: var(--green-soft);
  transform: translateY(-2px);
}

.target-tab:hover .tab-emoji { transform: scale(1.1); filter: none; }

.target-tab.is-active {
  background: linear-gradient(135deg, var(--green), #5CA31C);
  border-color: var(--green);
  color: #fff;
  box-shadow: 0 12px 26px rgba(106, 180, 39, .24);
}

.target-tab.is-active .tab-emoji { filter: none; }

.target-panel { display: none; }

.target-panel.is-active {
  display: block;
  animation: panelIn .42s var(--ease) both;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.target-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 224px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: #fff;
  box-shadow: var(--shadow);
  color: var(--ink);
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s var(--ease);
}

.target-card:hover {
  color: var(--ink);
  border-color: var(--green);
  box-shadow: 0 22px 56px rgba(47, 92, 19, .14);
  transform: translateY(-3px);
}

.target-cover {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, .95), transparent 46%),
    linear-gradient(135deg, var(--green-soft), #fff 56%, var(--green-mist));
  border-right: 1px solid var(--line);
}

.target-cover::before,
.target-cover::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(106, 180, 39, .28);
}

.target-cover::before {
  width: 210px;
  height: 210px;
  transform: rotate(-16deg);
}

.target-cover::after {
  width: 152px;
  height: 152px;
  transform: rotate(12deg);
  border-style: solid;
  opacity: .5;
}

.target-cover .cover-emoji {
  position: relative;
  z-index: 2;
  font-size: 84px;
  line-height: 1;
  filter: drop-shadow(0 14px 20px rgba(47, 92, 19, .14));
  transition: transform .55s var(--ease);
}

.target-card:hover .cover-emoji { transform: scale(1.11) rotate(-4deg); }

.target-cover .cover-tag {
  position: absolute;
  z-index: 3;
  left: 16px;
  bottom: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid var(--green-mist);
  color: var(--green-deep);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
}

.target-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 34px;
}

.target-body h4 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -.02em;
}

.target-body p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

.target-link-text {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 15px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
}

.target-link-text .arrow {
  transition: transform .25s ease;
}

.target-card:hover .target-link-text .arrow { transform: translateX(4px); }

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  position: relative;
  z-index: 2;
  margin-top: 48px;
  background: linear-gradient(180deg, #fff, #F7FBF3 58%, #F2F8EB);
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.45fr .95fr .85fr;
  gap: 48px;
  padding: 58px 0 38px;
}

.footer-brand .brand {
  margin-bottom: 15px;
}

.footer-intro {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.95;
}

.footer-tech-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 5px 9px;
  border: 1px solid var(--green-mist);
  border-radius: 999px;
  background: #fff;
  color: var(--green-dark);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .09em;
}

.footer-tech-line::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

.footer-title {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .03em;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--muted);
  font-size: 12.8px;
  line-height: 1.65;
}

.contact-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--green-mist);
  box-shadow: 0 4px 12px rgba(47, 92, 19, .05);
}

.contact-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--green-dark);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-list a {
  color: var(--ink-2);
  font-weight: 600;
}

.contact-list a:hover { color: var(--green-dark); }

.contact-label {
  display: block;
  color: var(--muted-2);
  font-size: 9.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.quick-links {
  display: grid;
  gap: 9px;
}

.quick-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 700;
  transition: border-color .25s ease, background .25s ease, transform .25s ease, color .25s ease;
}

.quick-link:hover {
  color: var(--green-deep);
  border-color: var(--green);
  background: var(--green-soft);
  transform: translateX(3px);
}

.quick-link svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--green-dark);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.quick-link .ql-arrow {
  margin-left: auto;
  color: var(--green);
  font-size: 15px;
  line-height: 1;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 0 24px;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 11.5px;
  line-height: 1.8;
}

.footer-bottom strong {
  color: var(--green-dark);
  font-weight: 700;
}

.footer-bottom .footer-mini {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9.5px;
  letter-spacing: .08em;
  color: var(--muted-2);
}

/* =========================================================
   Back to top
   ========================================================= */

.back-top {
  position: fixed;
  right: 24px;
  bottom: 26px;
  z-index: 150;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(106, 180, 39, .35);
  border-radius: 14px;
  background: rgba(255, 255, 255, .96);
  color: var(--green-dark);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(47, 92, 19, .14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, visibility .3s ease, transform .3s var(--ease), background .25s ease, color .25s ease, box-shadow .25s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--green);
  color: #fff;
  box-shadow: 0 16px 36px rgba(106, 180, 39, .32);
  transform: translateY(-3px);
}

.back-top svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* =========================================================
   Reveal / motion
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s ease, transform .8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .chart-line { stroke-dashoffset: 0; }
  .chart-point { opacity: 1; transform: none; }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (min-width: 1500px) {
  .site-header.nav-hidden { transform: none; }
}

@media (max-width: 1180px) {
  .hero-grid { gap: 38px; }
  .hero-float-card { left: 10px; bottom: -18px; }
  .footer-main { gap: 34px; }
}

@media (max-width: 1024px) {
  .hero { padding-top: 54px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 760px; width: 100%; margin: 0 auto; }
  .hero-copy { max-width: 820px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .gallery-item:nth-child(5) { grid-column: span 1; }
  .gallery-item:nth-child(6) { grid-column: span 2; }
  .target-card { grid-template-columns: 240px 1fr; }
  .target-body { padding: 24px 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 760px) {
  .container { width: min(var(--container), calc(100% - 32px)); }
  .nav-inner { min-height: 66px; gap: 12px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 10px; font-size: 11px; }
  .brand-text { font-size: 16px; }
  .brand-text em::after { bottom: -2px; height: 2px; }
  .breadcrumb { gap: 5px; font-size: 11px; }
  .breadcrumb .sep { font-size: 12px; }
  .lang-switch { margin-left: 2px; padding: 3px 7px; font-size: 10px; }
  .hero { padding: 42px 0 32px; }
  .eyebrow { font-size: 9.5px; letter-spacing: .12em; padding: 6px 10px; }
  .hero h1 { font-size: clamp(30px, 9vw, 42px); }
  .lead { font-size: 15px; line-height: 1.9; }
  .meta-row { font-size: 12px; gap: 8px 10px; }
  .meta-divider { display: none; }
  .hero-actions { gap: 10px; }
  .btn { min-height: 44px; padding: 0 16px; font-size: 13px; }
  .hero-float-card { left: 8px; bottom: -14px; padding: 10px 12px; }
  .float-card-icon { width: 32px; height: 32px; }
  .float-card-num { font-size: 17px; }
  .float-card-label { font-size: 8.5px; }
  .hero-stamp { font-size: 8px; }
  .hero-badge { top: 12px; left: 12px; font-size: 9px; padding: 5px 8px; }
  .stats-strip { padding-top: 10px; }
  .stat { min-height: 78px; padding: 15px 17px; gap: 11px; }
  .stat::before { height: 28px; }
  .stat-num { font-size: 23px; }
  .stat-label { font-size: 10.5px; }
  .section { padding: 54px 0; }
  .section-tight { padding-top: 24px; }
  .section-head { margin-bottom: 22px; }
  .section-head p { font-size: 14px; }
  .table-toolbar { padding: 13px 16px; }
  .table-toolbar .toolbar-note { display: none; }
  .sat-table thead th { padding: 13px 14px; }
  .sat-table tbody td { padding: 14px; }
  .sat-table thead th:first-child, .sat-table tbody td:first-child { padding-left: 16px; }
  .sat-table thead th:last-child, .sat-table tbody td:last-child { padding-right: 16px; }
  .table-note { padding: 12px 16px; }
  .tip-grid { grid-template-columns: 1fr; }
  .chart-card { padding: 16px 14px 10px; border-radius: 18px; }
  .chart-toolbar { gap: 8px; }
  .legend { font-size: 10.5px; gap: 7px 12px; }
  .chart-badge { font-size: 9px; padding: 4px 8px; }
  .chart-note { font-size: 10.5px; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 210px; gap: 12px; }
  .gallery-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .gallery-caption strong { font-size: 12.5px; }
  .target-title-row { margin-bottom: 18px; }
  .target-title-row p { font-size: 12.5px; }
  .target-tabs { grid-template-columns: repeat(2, 1fr); }
  .target-tab { min-height: 48px; font-size: 12.5px; }
  .target-card { grid-template-columns: 1fr; }
  .target-cover { min-height: 178px; border-right: 0; border-bottom: 1px solid var(--line); }
  .target-body { padding: 22px 20px 24px; }
  .target-body h4 { font-size: 19px; }
  .target-body p { font-size: 12.5px; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding: 42px 0 30px; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .back-top { right: 16px; bottom: 18px; width: 44px; height: 44px; border-radius: 12px; }
  .rocket-wrap { width: 42px; height: 104px; right: 2vw; bottom: 16vh; opacity: .25; }
  .earth-arc { width: 540px; height: 540px; left: -260px; bottom: -260px; opacity: .32; }
  .lightbox { padding: 16px; }
  .lightbox-close { top: 12px; right: 12px; }
  .lightbox-nav { width: 38px; height: 38px; }
  .lightbox-nav.prev { left: 10px; }
  .lightbox-nav.next { right: 10px; }
  .lightbox-caption { font-size: 11.5px; }
}

@media (max-width: 420px) {
  html[lang="en"] .hero h1 { font-size: 26px; }
  .brand-text { font-size: 14.5px; }
  .brand-mark { display: none; }
  .breadcrumb { font-size: 10px; }
  .hero h1 { font-size: 28px; }
  .hero-float-card { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 13px 12px; }
  .stat-num { font-size: 20px; }
  .target-cover .cover-emoji { font-size: 68px; }
}

/* Print */
@media print {
  .space-scene, .site-header, .hero-visual, .hero-actions, .back-top, .lightbox, .target-tabs { display: none !important; }
  body { background: #fff; }
  .reveal { opacity: 1; transform: none; }
  .section { padding: 24px 0; }
}
