:root {
  --ink: #18212f;
  --muted: #657083;
  --soft: #f4f6f8;
  --line: #dde2e8;
  --card: #ffffff;
  --navy: #172b4d;
  --navy-2: #0e223f;
  --orange: #f59b32;
  --orange-dark: #d8790c;
  --orange-soft: #fff2df;
  --green: #16845b;
  --green-soft: #e6f6ef;
  --red: #c03c3c;
  --red-soft: #fff0f0;
  --page-start: #e9edf2;
  --page-mid: #f2f4f7;
  --page-end: #e8edf3;
  --shell-bg: #f7f8fa;
  --header-glow: rgba(245, 155, 50, .22);
  --accent-border: #f1d5ab;
  --accent-surface: #fffaf2;
  --accent-text: #7f6848;
  --shadow: 0 12px 34px rgba(23, 43, 77, 0.08);
  --shadow-hover: 0 20px 48px rgba(23, 43, 77, 0.13);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

html[data-theme="forest"] {
  --navy: #18463b;
  --navy-2: #0c2d27;
  --orange: #e0ad40;
  --orange-dark: #a97710;
  --orange-soft: #fff5d9;
  --page-start: #e4eee9;
  --page-mid: #f2f6f3;
  --page-end: #e5eee9;
  --shell-bg: #f7faf8;
  --header-glow: rgba(224, 173, 64, .22);
  --accent-border: #e5d29e;
  --accent-surface: #fffbef;
  --accent-text: #76602d;
}

html[data-theme="violet"] {
  --navy: #4b3a72;
  --navy-2: #2c214b;
  --orange: #c29bf5;
  --orange-dark: #8057b8;
  --orange-soft: #f5efff;
  --page-start: #ece8f2;
  --page-mid: #f6f3f8;
  --page-end: #eae5f1;
  --shell-bg: #faf8fc;
  --header-glow: rgba(194, 155, 245, .24);
  --accent-border: #d9c8ef;
  --accent-surface: #faf6ff;
  --accent-text: #6b5687;
}

html[data-theme="sand"] {
  --navy: #69483d;
  --navy-2: #432d27;
  --orange: #f39a62;
  --orange-dark: #c75e32;
  --orange-soft: #fff0e7;
  --page-start: #eee7e2;
  --page-mid: #f7f3f0;
  --page-end: #ece4df;
  --shell-bg: #faf8f6;
  --header-glow: rgba(243, 154, 98, .24);
  --accent-border: #ebc6af;
  --accent-surface: #fff7f2;
  --accent-text: #805d4d;
}

* { box-sizing: border-box; }

html { width: 100%; overflow-x: hidden; scroll-behavior: smooth; }

body {
  width: 100%;
  margin: 0;
  overflow-x: hidden;
  background: linear-gradient(150deg, var(--page-start) 0%, var(--page-mid) 45%, var(--page-end) 100%);
  color: var(--ink);
  font-family: "MiSans", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
select {
  -webkit-appearance: none;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #738095 50%),
    linear-gradient(135deg, #738095 50%, transparent 50%);
  background-position:
    calc(100% - 14px) 50%,
    calc(100% - 10px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.app-shell {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  background: var(--shell-bg);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 350px;
  padding: 62px clamp(24px, 6vw, 88px) 52px;
  color: #fff;
  background:
    radial-gradient(circle at 78% 18%, var(--header-glow), transparent 26%),
    linear-gradient(118deg, var(--navy-2), var(--navy));
  position: relative;
  overflow: hidden;
}

.tool-hub-back {
  position: absolute;
  top: 19px;
  left: clamp(24px, 6vw, 88px);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 4px 12px 4px 5px;
  gap: 8px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: #dbe5f2;
  background: rgba(255,255,255,.055);
  font-size: 10px;
  font-weight: 760;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: transform .22s var(--ease-out), color .22s, border-color .22s, background .22s;
}
.mini-brand-symbol { position:relative;isolation:isolate;display:block;width:28px;height:28px;clip-path:polygon(22% 0,78% 0,100% 22%,100% 78%,78% 100%,22% 100%,0 78%,0 22%);background:linear-gradient(145deg,rgba(255,255,255,.2),rgba(255,255,255,.055));filter:drop-shadow(0 4px 8px rgba(0,0,0,.18));transition:transform .24s var(--ease-out); }
.mini-brand-symbol::before { content:"";position:absolute;z-index:2;left:6px;top:5px;width:16px;height:11px;background:linear-gradient(135deg,#ffd28c,var(--orange));clip-path:polygon(50% 0,100% 38%,50% 76%,0 38%);transition:transform .22s var(--ease-out); }
.mini-brand-symbol::after { content:"";position:absolute;z-index:2;left:6px;top:9px;width:8px;height:14px;background:linear-gradient(160deg,var(--orange),var(--orange-dark));clip-path:polygon(0 0,100% 30%,100% 100%,0 70%); }
.mini-brand-symbol i { position:absolute;z-index:2;right:6px;top:9px;width:8px;height:14px;background:linear-gradient(200deg,#ffc36e,var(--orange));clip-path:polygon(0 30%,100% 0,100% 70%,0 100%); }
.tool-hub-back:hover .mini-brand-symbol { transform:rotate(3deg); }
.tool-hub-back:hover .mini-brand-symbol::before { transform:translateY(-1px); }
.tool-hub-back:hover { transform: translateX(-3px); color: #fff; border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.1); }
.tool-hub-back:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.site-header::after {
  content: "";
  width: 360px;
  height: 360px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  position: absolute;
  right: 9%;
  top: -190px;
  box-shadow: 0 0 0 54px rgba(255,255,255,.025), 0 0 0 110px rgba(255,255,255,.018);
  animation: orbitFloat 9s ease-in-out infinite alternate;
}

.site-header > div:first-child { position: relative; z-index: 1; flex: 1; min-width: 0; animation: riseIn .7s var(--ease-out) both; }

.eyebrow, .section-kicker {
  margin: 0 0 7px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.18;
  letter-spacing: 0;
}

.header-guide-title { margin: 16px 0 9px; color: #d9e2ef; font-size: 13px; font-weight: 760; }
.header-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 10px; max-width: 930px; margin: 0; padding: 0; list-style: none; }
.header-steps li { display: flex; align-items: flex-start; gap: 8px; min-width: 0; padding: 9px 10px; border: 1px solid rgba(255,255,255,.1); border-radius: 10px; background: rgba(255,255,255,.045); transition: transform .24s var(--ease-out), background .24s, border-color .24s; }
.header-steps li:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); }
.header-steps li > span { display: grid; place-items: center; flex: 0 0 23px; width: 23px; height: 23px; border-radius: 50%; color: #241806; background: var(--orange); font-size: 10px; font-weight: 900; }
.header-steps strong, .header-steps p { display: block; }
.header-steps strong { color: #fff; font-size: 10px; }
.header-steps p { margin: 2px 0 0; color: #bfcbdc; font-size: 9px; line-height: 1.45; }

.theme-switcher {
  flex: 0 0 182px;
  min-width: 182px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 15px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1;
  animation: badgeIn .75s .12s var(--ease-out) both;
  transition: transform .3s var(--ease-out), background .3s, border-color .3s;
}

.theme-switcher:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.1); }
.theme-switcher > span, .theme-switcher > strong, .theme-switcher > small { display: block; }
.theme-switcher > span { color: #aebbd0; font-size: 10px; }
.theme-switcher > strong { margin-top: 2px; color: #fff; font-size: 16px; }
.theme-switcher > small { margin-top: 8px; color: #9eacc1; font-size: 8px; }
.theme-options { display: flex; gap: 8px; margin-top: 10px; }
.theme-swatch { position: relative; width: 27px; height: 27px; padding: 0; border: 2px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: 0 3px 8px rgba(0,0,0,.16); transition: transform .22s var(--ease-out), border-color .22s, box-shadow .22s; }
.theme-swatch:hover { transform: translateY(-3px) scale(1.08); border-color: rgba(255,255,255,.75); }
.theme-swatch[aria-pressed="true"] { border-color: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.18), 0 5px 12px rgba(0,0,0,.22); transform: scale(1.08); }
.theme-swatch[aria-pressed="true"]::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 10px; font-weight: 900; text-shadow: 0 1px 3px rgba(0,0,0,.5); }
.theme-swatch.ocean { background: linear-gradient(135deg, #172b4d 0 55%, #f59b32 56%); }
.theme-swatch.forest { background: linear-gradient(135deg, #18463b 0 55%, #e0ad40 56%); }
.theme-swatch.violet { background: linear-gradient(135deg, #4b3a72 0 55%, #c29bf5 56%); }
.theme-swatch.sand { background: linear-gradient(135deg, #69483d 0 55%, #f39a62 56%); }
.site-header.theme-changing { animation: themeWash .55s var(--ease-out); }

main { padding: 0 clamp(18px, 4.6vw, 66px) 58px; }

.notice-bar {
  display: flex;
  gap: 14px;
  align-items: center;
  max-width: 1180px;
  margin: -26px auto 24px;
  padding: 17px 22px;
  border: 1px solid var(--accent-border);
  border-radius: 14px;
  background: var(--accent-surface);
  box-shadow: 0 8px 24px rgba(92, 61, 20, .08);
  position: relative;
  z-index: 3;
  animation: riseIn .6s .2s var(--ease-out) both;
  transition: transform .28s var(--ease-out), box-shadow .28s;
}

.notice-bar:hover { transform: translateY(-2px); box-shadow: 0 13px 30px rgba(92, 61, 20, .11); }

.notice-icon {
  display: grid;
  place-items: center;
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  font-family: inherit;
}

.notice-bar strong { font-size: 14px; }
.notice-bar p { margin: 2px 0 0; color: var(--accent-text); font-size: 13px; }

.workflow-nav {
  position: sticky;
  top: 12px;
  z-index: 8;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto 28px;
  padding: 7px;
  border: 1px solid rgba(210, 217, 226, .9);
  border-radius: 16px;
  background: rgba(247, 249, 251, .9);
  box-shadow: 0 10px 28px rgba(23, 43, 77, .08);
  backdrop-filter: blur(14px);
  animation: riseIn .6s .28s var(--ease-out) both;
}

.workflow-link {
  display: grid;
  grid-template-columns: 34px 1fr;
  column-gap: 10px;
  min-height: 58px;
  padding: 8px 12px;
  border-radius: 11px;
  color: #596577;
  text-decoration: none;
  transition: transform .24s var(--ease-out), color .24s, background .24s, box-shadow .24s;
}
.workflow-link > span { grid-row: 1 / span 2; display: grid; place-items: center; width: 34px; height: 34px; align-self: center; border-radius: 10px; color: var(--orange-dark); background: var(--orange-soft); font-size: 11px; font-weight: 850; transition: transform .25s var(--ease-out); }
.workflow-link strong { align-self: end; color: inherit; font-size: 13px; }
.workflow-link small { align-self: start; color: #8a94a3; font-size: 10px; }
.workflow-link:hover { transform: translateY(-2px); color: var(--navy); background: #fff; box-shadow: 0 7px 18px rgba(23,43,77,.08); }
.workflow-link:hover > span { transform: rotate(-5deg) scale(1.06); }
.workflow-link.active { color: var(--navy); background: #fff; box-shadow: 0 6px 18px rgba(23,43,77,.09); }
.workflow-link.active > span { color: #fff; background: var(--orange); }
.workflow-arrow { color: #abb4c1; font-size: 18px; }

.workflow-section { max-width: 1180px; margin: 0 auto 42px; scroll-margin-top: 104px; }
.flow-heading { display: flex; align-items: center; gap: 17px; margin: 0 2px 16px; }
.flow-heading h2 { margin: 0; color: var(--navy); font-size: clamp(21px, 2.5vw, 29px); line-height: 1.2; }
.flow-heading p:not(.section-kicker) { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.flow-number { display: grid; place-items: center; flex: 0 0 48px; width: 48px; height: 48px; border: 1px solid #f0cf9f; border-radius: 15px; color: var(--orange-dark); background: linear-gradient(145deg, #fff9f0, #ffe8c5); box-shadow: 0 8px 20px rgba(216,121,12,.1); font-size: 13px; font-weight: 900; }

.single-layout {
  display: grid;
  grid-template-columns: minmax(320px, .88fr) minmax(490px, 1.3fr);
  gap: 18px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform .32s var(--ease-out), box-shadow .32s, border-color .32s;
}

.card:hover { transform: translateY(-3px); border-color: #d1d8e1; box-shadow: var(--shadow-hover); }

.input-card, .result-card, .batch-card { padding: clamp(22px, 3vw, 34px); }

.card-heading, .result-topline, .table-toolbar, .batch-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.card-heading h2, .result-topline h2, .table-toolbar h2, .method-card h2 {
  margin: 0;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.25;
}

.text-button {
  padding: 5px 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
}
.text-button:hover { color: var(--navy); }

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 14px;
  margin-top: 28px;
}

.field > span, .compact-field > span {
  display: block;
  margin-bottom: 7px;
  color: #465163;
  font-size: 13px;
  font-weight: 650;
}

.compact-field { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.compact-field > span { margin-bottom: 0; }
.compact-field select {
  min-width: 124px;
  height: 38px;
  padding: 0 32px 0 12px;
  border: 1px solid #c8d1dc;
  border-radius: 10px;
  outline: 0;
  color: var(--navy);
  background-color: #fff;
  box-shadow: 0 4px 10px rgba(23,43,77,.035);
  font-size: 12px;
  font-weight: 720;
  transition: transform .22s var(--ease-out), border-color .22s, box-shadow .22s, background-color .22s;
}
.compact-field select:hover { transform: translateY(-1px); border-color: #e0a04a; background-color: #fffaf3; }
.compact-field select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px var(--orange-soft), 0 6px 14px rgba(23,43,77,.05); }

.input-with-unit {
  display: flex;
  align-items: stretch;
  border: 1px solid #ccd3dc;
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  transition: border-color .24s, box-shadow .24s, transform .24s var(--ease-out), background .24s;
}

.input-with-unit:hover { border-color: #aeb8c5; transform: translateY(-1px); }

.input-with-unit:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245,155,50,.13);
  transform: translateY(-2px);
}

.input-with-unit.has-value { border-color: #a8cbbb; background: linear-gradient(90deg, #fff, #fbfffd); }

.input-with-unit input {
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 13px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 16px;
}

.input-with-unit > span {
  display: grid;
  place-items: center;
  min-width: 46px;
  padding: 0 10px;
  color: #707b8a;
  background: #f5f7f9;
  font-size: 12px;
}

.select-unit select {
  min-width: 72px;
  padding: 0 28px 0 9px;
  border: 0;
  border-left: 1px solid var(--line);
  outline: 0;
  color: #4d596b;
  background-color: #f5f7f9;
  font-size: 12px;
  font-weight: 720;
  transition: color .22s, background-color .22s;
}
.select-unit select:hover { color: var(--navy); background-color: var(--orange-soft); }
.select-unit select:focus { color: var(--navy); background-color: #fff7eb; }

.price-unit > span:first-child {
  border-right: 1px solid var(--line);
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
}

.unit-defaults {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding: 12px 15px;
  border-radius: 10px;
  background: var(--soft);
  transition: background .25s, transform .25s var(--ease-out);
}

.unit-defaults:hover { transform: translateY(-1px); background: #eef2f5; }

.unit-defaults small { color: var(--muted); font-size: 10px; }

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 24px 0 4px;
  padding: 15px 16px;
  border-radius: 10px;
  background: var(--soft);
  transition: transform .25s var(--ease-out), background .25s;
}

.switch-row:hover { transform: translateY(-1px); background: #eef2f5; }

.switch-row strong, .switch-row small { display: block; }
.switch-row strong { color: #3a4657; font-size: 13px; }
.switch-row small { margin-top: 2px; color: var(--muted); font-size: 11px; }

.switch { position: relative; width: 43px; height: 24px; flex: 0 0 43px; }
.switch input { position: absolute; opacity: 0; }
.slider { position: absolute; inset: 0; border-radius: 999px; background: #b9c2ce; transition: .28s var(--ease-out); }
.slider::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.18); transition: .28s var(--ease-out); }
.switch input:checked + .slider { background: var(--orange); }
.switch input:checked + .slider::after { transform: translateX(19px); }
.switch input:focus-visible + .slider { box-shadow: 0 0 0 3px rgba(245,155,50,.2); }

.form-error { min-height: 21px; margin: 8px 0; color: var(--red); font-size: 12px; }

.primary-button, .secondary-button {
  position: relative;
  overflow: hidden;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 9px;
  font-weight: 750;
  transition: transform .22s var(--ease-out), box-shadow .22s, background .22s, border-color .22s, color .22s;
}

.primary-button {
  width: 100%;
  border: 1px solid var(--orange);
  color: #2b1b05;
  background: var(--orange);
  box-shadow: 0 7px 18px rgba(216,121,12,.18);
}

.primary-button:hover { transform: translateY(-2px); background: #f7a747; box-shadow: 0 11px 24px rgba(216,121,12,.27); }
.primary-button:active, .secondary-button:active { transform: translateY(1px) scale(.99); }
.primary-button.is-success { border-color: var(--green); color: #fff; background: var(--green); box-shadow: 0 8px 20px rgba(22,132,91,.2); }
.primary-button:disabled, .secondary-button:disabled { cursor: wait; opacity: .78; }
.primary-button.is-loading, .secondary-button.is-loading {
  color: transparent;
  pointer-events: none;
}
.primary-button.is-loading::after, .secondary-button.is-loading::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 17px;
  height: 17px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(61,73,91,.22);
  border-top-color: currentColor;
  border-right-color: var(--orange);
  border-radius: 50%;
  animation: processingSpin .72s linear infinite;
}

.secondary-button {
  border: 1px solid #cbd3dd;
  color: #3d495b;
  background: #fff;
}
.secondary-button:hover { transform: translateY(-2px); border-color: #9da9b7; background: #f8f9fa; box-shadow: 0 7px 16px rgba(23,43,77,.08); }
.secondary-button.full { width: 100%; }
.primary-button.compact { width: auto; }
.button-ripple { position: absolute; border-radius: 50%; background: rgba(255,255,255,.48); transform: scale(0); pointer-events: none; animation: ripple .55s ease-out forwards; }

.result-card { min-height: 470px; }
.empty-state { display: grid; place-items: center; align-content: center; min-height: 400px; padding: 24px; text-align: center; }
.empty-state h2 { margin: 22px 0 8px; color: var(--navy); font-size: 21px; }
.empty-state p { max-width: 430px; margin: 0; color: var(--muted); font-size: 13px; }

.empty-illustration {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 72px;
  padding: 11px;
  border-radius: 16px;
  background: var(--orange-soft);
  transform: rotate(-2deg);
}
.empty-illustration span { display: block; width: 28px; border: 2px solid var(--orange); background: rgba(245,155,50,.12); animation: barBreathe 2.4s ease-in-out infinite; transform-origin: bottom; }
.empty-illustration span:nth-child(1) { height: 32px; }
.empty-illustration span:nth-child(2) { height: 49px; animation-delay: .18s; }
.empty-illustration span:nth-child(3) { height: 40px; animation-delay: .36s; }

.tier-pill {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--green);
  background: var(--green-soft);
  font-size: 12px;
  font-weight: 750;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 24px 0;
}

.metric { padding: 14px 15px; border: 1px solid var(--line); border-radius: 11px; background: #fafbfc; transition: transform .24s var(--ease-out), box-shadow .24s, border-color .24s; }
.metric:hover { transform: translateY(-3px); border-color: #cbd3dd; box-shadow: 0 8px 18px rgba(23,43,77,.07); }
.metric span, .metric strong { display: block; }
.metric span { color: var(--muted); font-size: 11px; }
.metric strong { margin-top: 3px; color: var(--navy); font-size: 15px; }
.metric.accent { border-color: #f0c88f; background: var(--orange-soft); }

.package-visual {
  margin: 5px 0 24px;
  padding: 17px;
  border: 1px solid #e6d2b5;
  border-radius: 14px;
  background:
    radial-gradient(circle at 20% 8%, rgba(245,155,50,.12), transparent 32%),
    linear-gradient(145deg, #fffdf9, #f8f4ed);
  overflow: hidden;
}
.package-visual-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.package-visual-heading h3 { margin: 0; color: var(--navy); font-size: 15px; }
.package-visual-heading > span { padding: 4px 8px; border-radius: 999px; color: #8a6840; background: #f6ead8; font-size: 9px; white-space: nowrap; }
.package-visual-layout { display: grid; grid-template-columns: minmax(300px, 1.25fr) minmax(150px, .75fr); align-items: center; gap: 10px; }
.package-stage {
  --box-w: 190px;
  --box-h: 105px;
  --box-d: 64px;
  position: relative;
  min-width: 300px;
  height: 236px;
  perspective: 820px;
  perspective-origin: 52% 43%;
}
.package-box {
  position: absolute;
  left: 49%;
  top: 48%;
  width: var(--box-w);
  height: var(--box-h);
  margin-left: calc(var(--box-w) / -2);
  margin-top: calc(var(--box-h) / -2);
  transform: rotateX(-17deg) rotateY(31deg);
  transform-style: preserve-3d;
}
.box-face { position: absolute; display: block; border: 1px solid rgba(102,65,28,.36); backface-visibility: hidden; transition: border-color .28s var(--ease-out), box-shadow .28s var(--ease-out); }
.package-stage:hover .box-face { border-color: rgba(102,65,28,.56); box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); }
.box-front, .box-back { inset: 0; width: var(--box-w); height: var(--box-h); }
.box-front {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 13px;
  background:
    linear-gradient(90deg, transparent 48%, rgba(126,78,28,.15) 48%, rgba(126,78,28,.15) 54%, transparent 54%),
    linear-gradient(145deg, #dca766, #c78b48);
  transform: translateZ(calc(var(--box-d) / 2));
}
.box-back { background: #b97938; transform: rotateY(180deg) translateZ(calc(var(--box-d) / 2)); }
.box-right, .box-left { top: 0; left: calc((var(--box-w) - var(--box-d)) / 2); width: var(--box-d); height: var(--box-h); background: linear-gradient(90deg, #b77433, #a9682d); }
.box-right { transform: rotateY(90deg) translateZ(calc(var(--box-w) / 2)); }
.box-left { transform: rotateY(-90deg) translateZ(calc(var(--box-w) / 2)); }
.box-top, .box-bottom { left: 0; top: calc((var(--box-h) - var(--box-d)) / 2); width: var(--box-w); height: var(--box-d); }
.box-top {
  background:
    linear-gradient(90deg, transparent 46%, rgba(108,65,23,.17) 46%, rgba(108,65,23,.17) 55%, transparent 55%),
    linear-gradient(145deg, #edc18b, #dca464);
  transform: rotateX(90deg) translateZ(calc(var(--box-h) / 2));
}
.box-bottom { background: #a9682d; transform: rotateX(-90deg) translateZ(calc(var(--box-h) / 2)); }
.box-mark { align-self: flex-start; padding: 3px 5px; border: 1px solid rgba(70,39,12,.42); color: rgba(63,34,10,.72); font-size: 7px; font-weight: 900; letter-spacing: .08em; }
.box-weight-stamp { display: block; min-width: 70px; margin-left: auto; padding: 7px; border: 1px dashed rgba(69,38,11,.5); color: #4e2a0c; background: rgba(255,248,231,.38); text-align: center; transform: rotate(-1.5deg); }
.box-weight-stamp small, .box-weight-stamp strong, .box-weight-stamp em { display: block; }
.box-weight-stamp small { font-size: 6px; }
.box-weight-stamp strong { margin-top: 1px; font-size: 11px; }
.box-weight-stamp em { margin-top: 1px; font-size: 6px; font-style: normal; opacity: .72; }
.package-stage.box-label-compact .box-front { justify-content: center; padding: 7px; }
.package-stage.box-label-compact .box-mark { display: none; }
.package-stage.box-label-compact .box-weight-stamp { min-width: 0; margin: 0; padding: 5px; }
.package-stage.box-label-hidden .box-weight-stamp { display: none; }
.package-floor-shadow { position: absolute; left: 24%; right: 13%; bottom: 27px; height: 25px; border-radius: 50%; background: rgba(66,45,24,.16); filter: blur(9px); transform: rotate(-3deg); }
.dimension-guide {
  position: absolute;
  left: calc(49% + var(--guide-x));
  top: calc(48% + var(--guide-y));
  width: var(--guide-size);
  height: 0;
  color: #6d573d;
  border-top: 1px solid #9a7a55;
  font-size: 9px;
  transform: rotate(var(--guide-angle));
  transform-origin: 0 50%;
}
.dimension-guide::before, .dimension-guide::after { content: ""; position: absolute; background: currentColor; }
.dimension-guide span { position: absolute; padding: 2px 5px; border: 1px solid #ead5b8; border-radius: 999px; color: #684e31; background: rgba(255,253,249,.94); box-shadow: 0 3px 8px rgba(81,54,26,.08); white-space: nowrap; }
.guide-length {
  --guide-x: var(--guide-length-x);
  --guide-y: var(--guide-length-y);
  --guide-size: var(--guide-length-size);
  --guide-angle: var(--guide-length-angle);
  --guide-label-angle: var(--guide-length-label-angle);
}
.guide-width {
  --guide-x: var(--guide-width-x);
  --guide-y: var(--guide-width-y);
  --guide-size: var(--guide-width-size);
  --guide-angle: var(--guide-width-angle);
  --guide-label-angle: var(--guide-width-label-angle);
}
.guide-height {
  --guide-x: var(--guide-height-x);
  --guide-y: var(--guide-height-y);
  --guide-size: var(--guide-height-size);
  --guide-angle: var(--guide-height-angle);
  --guide-label-angle: var(--guide-height-label-angle);
}
.dimension-guide::before, .dimension-guide::after { top: -4px; width: 1px; height: 8px; }
.dimension-guide::before { left: 0; }
.dimension-guide::after { right: 0; }
.dimension-guide span { left: 50%; top: -12px; transform: translateX(-50%) rotate(var(--guide-label-angle)); transform-origin: center; }
.package-specs { display: grid; gap: 9px; }
.package-specs > div { padding: 10px 11px; border: 1px solid #eadfce; border-radius: 10px; background: rgba(255,255,255,.72); transition: transform .22s var(--ease-out), border-color .22s; }
.package-specs > div:hover { transform: translateX(3px); border-color: #dfb77e; }
.package-specs span, .package-specs strong { display: block; }
.package-specs span { color: #89745c; font-size: 9px; }
.package-specs strong { margin-top: 3px; color: var(--navy); font-size: 11px; line-height: 1.45; }
.package-specs p { margin: 1px 2px 0; color: #8b7c6b; font-size: 9px; line-height: 1.55; }
.package-visual.box-updated .package-box { animation: boxAssemble .7s var(--ease-out) backwards; }
.package-visual.box-updated .dimension-guide { animation: guideDraw .5s .28s var(--ease-out) backwards; }

.fee-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 21px 0 12px; }
.fee-heading h3 { margin: 0; color: var(--navy); font-size: 15px; }
.fee-heading p, .fee-heading > span { margin: 2px 0 0; color: var(--muted); font-size: 11px; }

.selected-fee-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
  padding: 15px 17px;
  border: 1px solid #efbc73;
  border-radius: 12px;
  background: linear-gradient(110deg, #fff8ee, #fff3df);
  position: relative;
  overflow: hidden;
}
.selected-fee-summary::after { content: ""; position: absolute; inset: -80% auto -80% -30%; width: 26%; transform: rotate(18deg); background: linear-gradient(90deg, transparent, rgba(255,255,255,.75), transparent); animation: priceShine 4.2s ease-in-out infinite; }
.selected-fee-summary span, .selected-fee-summary small { display: block; }
.selected-fee-summary span { color: var(--navy); font-size: 13px; font-weight: 750; }
.selected-fee-summary small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.selected-fee-summary strong { color: var(--orange-dark); font-size: 30px; line-height: 1; }

.fee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.fee-card { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; transition: transform .25s var(--ease-out), box-shadow .25s, border-color .25s, background .25s; }
.fee-card:hover { transform: translateY(-4px); box-shadow: 0 10px 20px rgba(23,43,77,.08); }
.fee-card.featured { transform: translateY(-2px); border-color: #efbc73; background: #fff8ee; box-shadow: 0 8px 18px rgba(216,121,12,.1); }
.fee-card.featured::before { content: "当前售价"; display: block; margin-bottom: 4px; color: var(--orange-dark); font-size: 9px; font-weight: 800; }
.fee-card span, .fee-card small { color: var(--muted); font-size: 10px; }
.fee-card h3 { margin: 2px 0 8px; color: #465164; font-size: 12px; }
.fee-card strong { display: block; color: var(--navy); font-size: clamp(21px, 2.2vw, 30px); line-height: 1.15; }
.fee-card small { display: block; min-height: 16px; margin-top: 5px; }

.calculation-details { margin-top: 20px; border-top: 1px solid var(--line); }
.calculation-details summary { padding: 15px 0 7px; color: #4d596b; font-size: 12px; font-weight: 700; cursor: pointer; }
.calculation-details dl { margin: 6px 0 0; }
.calculation-details dl div { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; color: var(--muted); font-size: 11px; }
.calculation-details dt { color: #566174; }
.calculation-details dd { margin: 0; text-align: right; }

.batch-card { margin-bottom: 18px; }
.batch-heading p:not(.section-kicker) { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.heading-actions { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.column-visibility { position: relative; z-index: 2; }
.column-toggle-button { display: inline-flex; align-items: center; gap: 6px; }
.column-toggle-button > span { color: var(--orange-dark); font-size: 16px; line-height: 1; transform: rotate(90deg); }
.column-toggle-button small { padding: 2px 5px; border-radius: 999px; color: #6d7787; background: #eef1f4; font-size: 9px; font-variant-numeric: tabular-nums; }
.column-toggle-button[aria-expanded="true"] { border-color: var(--orange); color: var(--navy); background: #fff9f0; box-shadow: 0 8px 18px rgba(216,121,12,.12); }
.column-menu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 9px);
  right: 0;
  width: min(430px, calc(100vw - 36px));
  padding: 14px;
  border: 1px solid #d9dfe6;
  border-radius: 13px;
  background: rgba(255,255,255,.98);
  box-shadow: 0 18px 42px rgba(23,43,77,.18);
  backdrop-filter: blur(16px);
  animation: columnMenuIn .24s var(--ease-out) both;
}
.column-menu-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 2px 2px 11px; border-bottom: 1px solid #edf0f3; }
.column-menu-heading strong, .column-menu-heading span { display: block; }
.column-menu-heading strong { color: var(--navy); font-size: 12px; }
.column-menu-heading span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.column-menu-heading button { padding: 4px 7px; border: 0; border-radius: 6px; color: var(--orange-dark); background: var(--orange-soft); font-size: 9px; font-weight: 800; transition: transform .2s, background .2s; }
.column-menu-heading button:hover { transform: translateY(-1px); background: #ffe5bd; }
.column-switch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding-top: 10px; }
.column-switch-grid label { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-width: 0; padding: 7px 8px; border-radius: 8px; color: #4c586a; font-size: 10px; cursor: pointer; transition: background .2s, transform .2s; }
.column-switch-grid label:hover { transform: translateX(2px); background: #f6f8fa; }
.column-switch-grid label > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.column-switch-grid input { position: absolute; opacity: 0; pointer-events: none; }
.column-switch-grid i { position: relative; flex: 0 0 29px; width: 29px; height: 17px; border-radius: 999px; background: #c6ced8; box-shadow: inset 0 0 0 1px rgba(23,43,77,.06); transition: background .24s var(--ease-out), box-shadow .24s; }
.column-switch-grid i::after { content: ""; position: absolute; left: 2px; top: 2px; width: 13px; height: 13px; border-radius: 50%; background: #fff; box-shadow: 0 2px 4px rgba(23,43,77,.18); transition: transform .24s var(--ease-out); }
.column-switch-grid input:checked + i { background: var(--orange); box-shadow: 0 0 0 3px rgba(245,155,50,.1); }
.column-switch-grid input:checked + i::after { transform: translateX(12px); }
.column-switch-grid input:focus-visible + i { outline: 2px solid rgba(245,155,50,.42); outline-offset: 2px; }

.import-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 22px; }
.drop-zone, .paste-zone { min-height: 235px; border: 1px dashed #b8c2cf; border-radius: 13px; background: #fafbfc; transition: transform .28s var(--ease-out), box-shadow .28s, border-color .28s, background .28s; }
.drop-zone { display: grid; place-items: center; align-content: center; gap: 6px; padding: 26px; text-align: center; cursor: pointer; }
.drop-zone:hover, .paste-zone:focus-within { transform: translateY(-4px); border-color: #e2a652; background: #fffdf9; box-shadow: 0 13px 28px rgba(23,43,77,.08); }
.drop-zone.dragover { transform: translateY(-5px) scale(1.01); border-color: var(--orange); background: var(--orange-soft); box-shadow: 0 14px 30px rgba(216,121,12,.14); }
.drop-zone.processing { pointer-events: none; border-color: var(--orange); background: var(--orange-soft); }
.drop-zone.file-pending { border-style: solid; border-color: var(--accent-border); background: var(--accent-surface); }
.drop-zone.file-ready { border-style: solid; border-color: #9bd6bf; background: #f3fbf7; animation: fileAccepted .55s var(--ease-out); }
.drop-zone strong { color: var(--navy); font-size: 14px; }
.drop-zone > span:last-child { color: var(--muted); font-size: 11px; }
.upload-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 6px; border-radius: 50%; color: var(--orange-dark); background: var(--orange-soft); font-size: 22px; font-weight: 800; transition: transform .28s var(--ease-out), color .28s, background .28s; }
.drop-zone:hover .upload-icon { transform: translateY(-5px) scale(1.08); color: #fff; background: var(--orange); }
.drop-zone.processing .upload-icon { color: #fff; background: var(--orange); animation: processingSpin .85s linear infinite; }
.drop-zone.file-pending .upload-icon { color: #2d1c06; background: var(--orange); animation: successBounce .45s var(--ease-out); }
.drop-zone.file-ready .upload-icon { color: #fff; background: var(--green); animation: successBounce .5s var(--ease-out); }

.paste-zone { padding: 16px; }
.paste-heading { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.paste-heading strong { color: var(--navy); font-size: 13px; }
.paste-heading span { color: var(--muted); font-size: 10px; }
.paste-zone textarea { width: 100%; height: 127px; padding: 10px; resize: vertical; border: 1px solid #d4dae2; border-radius: 8px; outline: 0; color: #3b4656; background: #fff; font-family: inherit; font-size: 11px; transition: border-color .22s, box-shadow .22s; }
.paste-zone textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(245,155,50,.12); }
.paste-zone.paste-pending { border-color: var(--accent-border); background: var(--accent-surface); }
.paste-zone.paste-ready { border-color: #9bd6bf; background: #f3fbf7; animation: fileAccepted .55s var(--ease-out); }
.batch-card.batch-running .import-grid { transform: scale(.992); opacity: .82; }
.import-grid { transition: transform .35s var(--ease-out), opacity .35s; }

.batch-progress {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 15px;
  padding: 13px 15px;
  overflow: hidden;
  border: 1px solid #f1c98f;
  border-radius: 11px;
  background: linear-gradient(110deg, #fffaf2, #fff 52%, #fff7eb);
  box-shadow: 0 10px 24px rgba(216,121,12,.08);
}
.batch-number-stream { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.batch-number-particle {
  --particle-drift: 0px;
  --particle-rise: -46px;
  position: absolute;
  bottom: -4px;
  color: #b66c12;
  font-size: 10px;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  opacity: 0;
  filter: blur(.15px);
  text-shadow: 0 0 12px rgba(245,155,50,.18);
  white-space: nowrap;
  animation: numberFlight var(--particle-duration, 1.65s) cubic-bezier(.2,.72,.24,1) forwards;
}
.batch-progress.is-active { animation: batchProgressIn .38s var(--ease-out) both; }
.batch-progress.is-complete { border-color: #9bd6bf; background: linear-gradient(110deg, #f3fbf7, #fff); }
.batch-progress.is-error { border-color: #efb1b1; background: linear-gradient(110deg, #fff5f5, #fff); animation: errorNudge .36s ease-out; }
.batch-progress-icon {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border: 2px solid #f1d4a9;
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: processingSpin .9s linear infinite;
}
.batch-progress-icon i { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(245,155,50,.12); }
.batch-progress.is-complete .batch-progress-icon { border-color: var(--green); animation: successBounce .5s var(--ease-out); }
.batch-progress.is-complete .batch-progress-icon::after { content: "✓"; color: var(--green); font-size: 16px; font-style: normal; font-weight: 900; }
.batch-progress.is-error .batch-progress-icon { border-color: var(--red); animation: none; }
.batch-progress.is-error .batch-progress-icon::after { content: "!"; color: var(--red); font-size: 16px; font-style: normal; font-weight: 900; }
.batch-progress.is-complete .batch-progress-icon i { display: none; }
.batch-progress.is-error .batch-progress-icon i { display: none; }
.batch-progress-body { position: relative; z-index: 2; flex: 1; min-width: 0; }
.batch-progress-copy { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 7px; }
.batch-progress-copy strong { overflow: hidden; color: var(--navy); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.batch-progress-copy span { color: var(--orange-dark); font-size: 11px; font-weight: 850; font-variant-numeric: tabular-nums; }
.batch-progress-track { height: 5px; overflow: hidden; border-radius: 999px; background: #f3e8d8; }
.batch-progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--orange), #ffc66f); box-shadow: 0 0 10px rgba(245,155,50,.35); transition: width .14s linear, background .25s; }
.batch-progress.is-complete .batch-progress-track span { background: linear-gradient(90deg, var(--green), #63c69e); }
.batch-progress.is-error .batch-progress-track span { background: linear-gradient(90deg, var(--red), #f17a7a); }
.batch-hint { margin: 14px 0 0; color: var(--muted); font-size: 11px; }

body.modal-open { overflow: hidden; }
.batch-settings-dialog {
  width: min(760px, calc(100vw - 30px));
  max-height: calc(100vh - 30px);
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: 18px;
  color: var(--ink);
  background: transparent;
  box-shadow: 0 28px 80px rgba(10,25,46,.28);
}
.batch-settings-dialog::backdrop { background: rgba(13,27,48,.58); backdrop-filter: blur(7px); }
.batch-settings-dialog[open] { animation: modalEnter .42s var(--ease-out) both; }
.batch-settings-panel { padding: 25px; background: var(--card); }
.batch-settings-heading { position: relative; padding-right: 42px; }
.batch-settings-step { display: inline-block; padding: 4px 8px; border-radius: 999px; color: var(--orange-dark); background: var(--orange-soft); font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.batch-settings-heading h2 { margin: 9px 0 5px; color: var(--navy); font-size: 22px; }
.batch-settings-heading p { margin: 0; color: var(--muted); font-size: 12px; }
.modal-close { position: absolute; right: 0; top: 0; display: grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 1px solid var(--line); border-radius: 50%; color: #647084; background: var(--soft); font-size: 20px; line-height: 1; transition: transform .22s var(--ease-out), color .22s, background .22s; }
.modal-close:hover { transform: rotate(8deg) scale(1.06); color: var(--navy); background: var(--orange-soft); }
.detected-units { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 18px 0 12px; padding: 10px 12px; border: 1px solid var(--accent-border); border-radius: 9px; color: var(--accent-text); background: var(--accent-surface); font-size: 10px; }
.detected-units span { flex: 0 0 auto; font-weight: 750; }
.detected-units strong { color: var(--navy); text-align: right; }
.batch-setting-list { display: grid; gap: 9px; }
.batch-setting-item { display: grid; grid-template-columns: 34px minmax(0,1fr) auto; align-items: center; gap: 11px; min-height: 74px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: #fbfcfd; cursor: pointer; transition: transform .24s var(--ease-out), border-color .24s, box-shadow .24s, background .24s; }
.batch-setting-item:hover, .batch-setting-item:focus-within { transform: translateX(3px); border-color: var(--accent-border); background: var(--accent-surface); box-shadow: 0 8px 20px rgba(23,43,77,.06); }
.batch-setting-number { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: #2d1c06; background: var(--orange); font-size: 11px; font-weight: 900; }
.batch-setting-copy strong, .batch-setting-copy small { display: block; }
.batch-setting-copy strong { color: var(--navy); font-size: 12px; }
.batch-setting-copy small { margin-top: 3px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.batch-setting-item select { min-width: 118px; padding: 8px 31px 8px 10px; border: 1px solid #c8d0da; border-radius: 9px; outline: 0; color: #3d495b; background-color: #fff; font-size: 11px; font-weight: 700; transition: transform .22s var(--ease-out), border-color .22s, box-shadow .22s, background-color .22s; }
.batch-setting-item select:hover { transform: translateY(-1px); border-color: #dfa354; background-color: #fffaf3; }
.batch-setting-item select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px var(--orange-soft); }
.batch-data-preview { grid-column: 2 / -1; display: block; min-width: 0; margin-top: 1px; padding: 9px 10px 8px; border: 1px dashed var(--accent-border); border-radius: 9px; background: var(--accent-surface); cursor: default; }
.batch-preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.batch-preview-heading strong { color: var(--accent-text); font-size: 9px; font-weight: 850; }
.batch-preview-heading small { color: var(--muted); font-size: 8px; }
.batch-preview-rows { display: grid; gap: 4px; }
.batch-preview-row { display: grid; grid-template-columns: 20px minmax(0, 1fr) minmax(116px, auto); align-items: center; gap: 7px; min-width: 0; padding: 5px 7px; border-radius: 6px; color: #586577; background: color-mix(in srgb, var(--card) 84%, transparent); font-size: 9px; }
.batch-preview-row i { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: var(--orange-dark); background: var(--orange-soft); font-style: normal; font-weight: 850; }
.batch-preview-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-preview-row strong { overflow: hidden; color: var(--navy); font-size: 9px; font-variant-numeric: tabular-nums; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.batch-preview-rows.is-ready .batch-preview-row { animation: sampleRowIn .32s var(--ease-out) both; }
.batch-preview-rows.is-ready .batch-preview-row:nth-child(2) { animation-delay: .05s; }
.batch-preview-rows.is-ready .batch-preview-row:nth-child(3) { animation-delay: .1s; }
.batch-preview-empty { display: block; padding: 7px; color: var(--muted); font-size: 9px; text-align: center; }
.surcharge-setting input { position: absolute; opacity: 0; pointer-events: none; }
.modal-switch { position: relative; width: 42px; height: 24px; border-radius: 999px; background: #bbc4cf; box-shadow: inset 0 0 0 1px rgba(23,43,77,.06); transition: background .26s var(--ease-out), box-shadow .26s; }
.modal-switch::after { content: ""; position: absolute; left: 3px; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.17); transition: transform .26s var(--ease-out); }
.surcharge-setting input:checked + .modal-switch { background: var(--orange); box-shadow: 0 0 0 3px var(--orange-soft); }
.surcharge-setting input:checked + .modal-switch::after { transform: translateX(18px); }
.surcharge-setting input:focus-visible + .modal-switch { outline: 2px solid var(--orange); outline-offset: 3px; }
.batch-settings-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 17px; padding-top: 15px; border-top: 1px solid var(--line); }
.batch-settings-actions .primary-button { min-width: 195px; }

.table-card { position: relative; isolation: isolate; overflow: hidden; scroll-margin-top: 104px; }
.table-card.result-enter { animation: resultReveal .62s var(--ease-out) both; }
.table-card.result-exit { pointer-events: none; animation: resultHide .28s ease-in both; }
.table-card.result-enter .table-toolbar > div:first-child { animation: batchSummaryIn .48s .09s var(--ease-out) both; }
.table-card.result-enter .table-toolbar .heading-actions { animation: batchActionsIn .48s .15s var(--ease-out) both; }
.table-card.result-enter .table-scroll { animation: tableUnveil .62s .18s var(--ease-out) both; }
.table-card.result-enter .success-dot, .table-card.result-enter .error-dot { animation: statusPulse .5s .42s var(--ease-out) both; }
.table-scroll.columns-updated { animation: columnsSettle .3s var(--ease-out); }
.table-toolbar { position: relative; z-index: 30; padding: 23px 28px; border-bottom: 1px solid var(--line); background: #fff; }
.table-toolbar p:not(.section-kicker) { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.success-dot, .error-dot { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; }
.success-dot { background: var(--green); }
.error-dot { background: var(--red); }
.table-scroll { position: relative; z-index: 1; overflow: auto; max-height: 560px; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; font-size: 11px; }
th { position: sticky; top: 0; z-index: 1; padding: 12px 13px; color: #596577; background: #f4f6f8; text-align: left; font-weight: 750; }
td { padding: 11px 13px; border-top: 1px solid #edf0f3; color: #3f4a5a; transition: background .2s, color .2s; }
.product-identity { display: block; max-width: 240px; white-space: normal; }
.product-identity strong, .product-identity small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.product-identity strong { color: #334054; font-size: 11px; font-weight: 760; }
.product-identity small { margin-top: 3px; color: #778396; font-size: 9px; }
.table-card.result-enter tbody tr { animation: rowReveal .42s var(--ease-out) both; animation-delay: min(calc(190ms + var(--row-index, 0) * 22ms), 610ms); }
tr:hover td { color: var(--navy); background: #fff9f0; }
.money { color: var(--navy); font-weight: 750; }
.status-ok, .status-error { display: inline-block; padding: 3px 7px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.status-ok { color: var(--green); background: var(--green-soft); }
.status-error { max-width: 190px; overflow: hidden; text-overflow: ellipsis; color: var(--red); background: var(--red-soft); vertical-align: middle; }

.method-card {
  display: flex;
  gap: 34px;
  max-width: 1180px;
  margin: 30px auto 0;
  padding: 26px 30px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
}
.method-card > div:first-child { flex: 0 0 220px; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 19px; }
.method-grid article { min-width: 0; transition: transform .24s var(--ease-out); }
.method-grid article:hover { transform: translateY(-3px); }
.method-grid article > span { color: var(--orange); font-size: 10px; font-weight: 850; }
.method-grid strong { display: block; margin: 3px 0 5px; color: var(--navy); font-size: 13px; }
.method-grid p { margin: 0; color: var(--muted); font-size: 11px; }

footer { display: flex; justify-content: space-between; gap: 18px; padding: 22px clamp(24px, 5vw, 72px); color: #8d98a8; background: var(--navy-2); font-size: 10px; }

[hidden] { display: none !important; }

.motion-ready .reveal-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity .65s var(--ease-out), transform .65s var(--ease-out); }
.motion-ready .reveal-on-scroll.is-visible { opacity: 1; transform: none; }
.result-content.result-enter { animation: resultReveal .55s var(--ease-out) both; }
.result-content.result-enter .metric { animation: cardCascade .48s var(--ease-out) both; }
.result-content.result-enter .metric:nth-child(2) { animation-delay: .06s; }
.result-content.result-enter .metric:nth-child(3) { animation-delay: .12s; }
.result-content.result-enter .fee-card { animation: cardCascade .48s .13s var(--ease-out) both; }
.result-content.result-enter .fee-card:nth-child(2) { animation-delay: .19s; }
.result-content.result-enter .fee-card:nth-child(3) { animation-delay: .25s; }
.number-pop { animation: numberPop .42s var(--ease-out); }
.form-error:not(:empty) { animation: errorNudge .36s ease-out; }

@keyframes riseIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes badgeIn { from { opacity: 0; transform: translateX(22px) rotate(2deg); } to { opacity: 1; transform: none; } }
@keyframes themeWash { 0% { filter: saturate(.72) brightness(.94); } 55% { filter: saturate(1.16) brightness(1.04); } 100% { filter: none; } }
@keyframes modalEnter { from { opacity: 0; transform: translateY(18px) scale(.965); } to { opacity: 1; transform: none; } }
@keyframes sampleRowIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
@keyframes orbitFloat { from { transform: translate3d(0,0,0) rotate(0); } to { transform: translate3d(-22px,18px,0) rotate(6deg); } }
@keyframes barBreathe { 0%, 100% { transform: scaleY(.88); opacity: .7; } 50% { transform: scaleY(1.04); opacity: 1; } }
@keyframes ripple { to { transform: scale(4); opacity: 0; } }
@keyframes numberPop { 0% { transform: scale(.78); opacity: .45; } 65% { transform: scale(1.08); } 100% { transform: none; opacity: 1; } }
@keyframes resultReveal { from { opacity: 0; transform: translateY(18px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes cardCascade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes rowReveal { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
@keyframes batchProgressIn { from { opacity: 0; transform: translateY(-8px) scale(.99); } to { opacity: 1; transform: none; } }
@keyframes numberFlight {
  0% { opacity: 0; transform: translate3d(0,10px,0) scale(.82); }
  18% { opacity: .22; }
  72% { opacity: .12; }
  100% { opacity: 0; transform: translate3d(var(--particle-drift),var(--particle-rise),0) scale(1.08); }
}
@keyframes batchSummaryIn { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
@keyframes batchActionsIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
@keyframes columnMenuIn { from { opacity: 0; transform: translateY(-7px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes columnsSettle { 0% { opacity: .72; transform: translateY(3px); } 100% { opacity: 1; transform: none; } }
@keyframes tableUnveil { from { opacity: 0; clip-path: inset(0 0 100% 0); } to { opacity: 1; clip-path: inset(0); } }
@keyframes resultHide { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(-10px) scale(.99); } }
@keyframes fileAccepted { 0% { transform: scale(.985); box-shadow: 0 0 0 rgba(22,132,91,0); } 65% { transform: scale(1.008); box-shadow: 0 12px 28px rgba(22,132,91,.12); } 100% { transform: none; box-shadow: none; } }
@keyframes successBounce { 0% { transform: scale(.72); } 65% { transform: scale(1.13); } 100% { transform: none; } }
@keyframes statusPulse { 0% { opacity: 0; transform: scale(0); } 70% { transform: scale(1.45); } 100% { opacity: 1; transform: none; } }
@keyframes priceShine { 0%, 55% { transform: translateX(-180%) rotate(18deg); } 85%, 100% { transform: translateX(650%) rotate(18deg); } }
@keyframes processingSpin { to { transform: rotate(360deg); } }
@keyframes errorNudge { 0%, 100% { transform: translateX(0); } 30% { transform: translateX(-5px); } 60% { transform: translateX(4px); } }
@keyframes boxAssemble { from { opacity: 0; transform: translateY(18px) rotateX(-27deg) rotateY(8deg) scale(.78); } to { opacity: 1; transform: rotateX(-17deg) rotateY(31deg); } }
@keyframes guideDraw { from { opacity: 0; filter: blur(3px); } to { opacity: 1; filter: none; } }

@media (max-width: 900px) {
  .header-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow-nav { position: static; }
  .single-layout { grid-template-columns: 1fr; }
  .result-card { min-height: 410px; }
  .method-card { display: block; }
  .method-card > div:first-child { margin-bottom: 22px; }
  .method-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .site-header { flex-direction: column; align-items: stretch; min-height: 0; padding: 56px 18px 50px; }
  .header-steps { grid-template-columns: 1fr; }
  .theme-switcher { width: 100%; min-width: 0; }
  main { padding-left: 10px; padding-right: 10px; }
  .notice-bar { margin-top: -20px; }
  .workflow-nav { grid-template-columns: 1fr; gap: 5px; }
  .workflow-arrow { display: none; }
  .workflow-link { min-height: 50px; }
  .flow-heading { align-items: flex-start; }
  .flow-number { flex-basis: 42px; width: 42px; height: 42px; }
  .field-grid, .import-grid, .fee-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr; }
  .package-visual-layout { grid-template-columns: 1fr; }
  .package-stage { min-width: 0; }
  .package-specs { grid-template-columns: 1fr 1fr; }
  .package-specs p { grid-column: 1 / -1; }
  .fee-grid { gap: 8px; }
  .fee-card { display: grid; grid-template-columns: 1fr auto; align-items: center; }
  .fee-card span, .fee-card h3, .fee-card small { grid-column: 1; }
  .fee-card h3 { margin-bottom: 0; }
  .fee-card strong { grid-column: 2; grid-row: 1 / span 3; }
  .batch-heading, .table-toolbar { display: block; }
  .heading-actions { justify-content: flex-start; margin-top: 14px; }
  .heading-actions > button, .heading-actions > .column-visibility { flex: 1 1 145px; }
  .heading-actions > button, .column-toggle-button { width: 100%; justify-content: center; }
  .column-menu { left: 0; right: auto; }
  .unit-defaults { align-items: flex-start; flex-direction: column; }
  .method-grid { grid-template-columns: 1fr; }
  footer { display: block; text-align: center; }
  footer span { display: block; margin: 3px 0; }
}

@media (max-width: 430px) {
  .site-header { padding: 48px 14px 44px;gap:22px; }
  .site-header h1 { font-size:clamp(31px,10.5vw,42px);line-height:1.13; }
  .site-header .subtitle { font-size:12px;line-height:1.75; }
  main { padding-left:8px;padding-right:8px;padding-bottom:40px; }
  .notice-bar { padding:14px;border-radius:12px; }
  .workflow-nav { padding:5px;border-radius:13px; }
  .workflow-section { margin-bottom:32px; }
  .flow-heading { gap:12px;margin-inline:4px; }
  .flow-number { flex-basis:38px;width:38px;height:38px;border-radius:12px; }
  .flow-heading h2 { font-size:21px; }
  .input-card, .result-card, .batch-card { padding:18px 14px; }
  .card-heading, .result-topline { gap:10px; }
  .card-heading h2, .result-topline h2, .table-toolbar h2, .method-card h2 { font-size:19px; }
  .field-grid { margin-top:22px;gap:15px; }
  .drop-zone, .paste-zone { min-height:210px; }
  .drop-zone { padding:20px 14px; }
  .paste-zone { padding:13px; }
  .batch-progress { padding:12px 10px; }
  .batch-progress-copy { gap:8px; }
  .batch-progress-copy strong { max-width:72%; }
  .table-toolbar { padding:18px 14px; }
  .column-menu { width:calc(100vw - 24px);padding:12px; }
  .batch-settings-dialog { width:calc(100vw - 16px);max-height:calc(100vh - 16px);border-radius:14px; }
  .package-visual { padding: 14px 10px; }
  .package-stage { height: 218px; transform: scale(.9); margin: -4px -5% -12px; }
  .package-specs { grid-template-columns: 1fr; }
  .package-specs p { grid-column: auto; }
  .column-switch-grid { grid-template-columns: 1fr; }
  .batch-settings-panel { padding: 19px 14px; }
  .batch-settings-heading h2 { font-size: 19px; }
  .detected-units { display: block; }
  .detected-units strong { display: block; margin-top: 4px; text-align: left; }
  .batch-setting-item { grid-template-columns: 31px minmax(0,1fr); }
  .batch-setting-item select, .batch-setting-item .modal-switch { grid-column: 2; justify-self: start; }
  .batch-data-preview { grid-column: 1 / -1; }
  .batch-preview-row { grid-template-columns: 20px minmax(0, 1fr); }
  .batch-preview-row strong { grid-column: 2; text-align: left; }
  .batch-settings-actions { display: grid; grid-template-columns: 1fr; }
  .batch-settings-actions .primary-button, .batch-settings-actions .secondary-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .motion-ready .reveal-on-scroll { opacity: 1; transform: none; }
  .batch-number-stream { display: none; }
}